MN Contractors Exam Prep Quiz

MN Contractors Exam Prep Quiz

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Additional questions to prepare for the MN contractors exam

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1. Where reinforcement is provided in concrete slab-on-ground floors, the reinforcement
shall be supported to remain within what section of the slab during the concrete
placement?Where reinforcement is provided in concrete slab-on-ground floors, the reinforcement
shall be supported to remain within what section of the slab during the concrete
placement?

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2. If there is a conflict in the code between a general requirement and a specific requirement,
the _______________ requirement shall apply.

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3. The maximum pay period for salaries earned is...

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4. The minimum footing depth for Olmstead county is...

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5. Permits are not required for...

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6. The illumination source for interior stairs shall be capable of illuminating the treads
and landings to a minimum level of _______________ foot-candle(s).

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7. The minimum thickness of a soil-gas membrane is _____mil polyethylene.

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8. Unless local conditions warrant otherwise, what is the probability for termite infestation
for dwellings constructed in most of Minnesota?

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9. In order to create an educated and unbiased resolution board. The membership of the board of appeals _______________.

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10. In the attachment of asphalt shingles, special methods of fastening as established by
the manufacturer are required where the roof slope of _______________ is exceeded.

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11. The net free area of a spark arrester for a masonry chimney shall be a minimum of
_______________ time(s) the net free area of the outlet of the chimney flue it serves.

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12. Holes bored into solid lumber joists, rafter and beams shall be located a minimum of
_______________ from the top or bottom of the member.

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13. Concrete is made from gravel, water, portland cement and...

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14. The maximum amout paid out by the contractor recovery fund is $___________ per homeowner, $__________ per year and $____________per license.

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15. When waterproofing a foundation wall. The waterproofing material must extend from the top interior wall edge,

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16. On a masonry chimney what is the minimum thickness for a hearth extension?

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17. 1/4 scale is defined as.

Page 491 R1001.2

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18. The footing for a masonry fireplace and chimney shall be a minimum of...

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19. Openings provided for roof ventilation, where covered with corrosion-resistant wire
cloth screening, shall have openings a minimum of _______________ and a maximum
of _______________.

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20. A 15-inch-deep box header in an exterior wall is constructed with wood structural
panels on both sides. What is the maximum allowable header span for a condition
where the header supports a clear-span roof truss with a span of 26 feet?

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21. Where the hearth extension for a masonry fireplace is located at the same level as the
bottom of the firebox opening, the minimum required thickness of the hearth extension
is _______________ inches.

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22. According to ASTM E 283-E what is the maximum allowed air leakage rate for recessed lights?

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23. Horizontal insulation used in a frost protected shallow foundation system shall be
protected against damage if it is located less than _______________ inches below the
ground surface.

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24. Where 3/8-inch particleboard is used as an exterior wall covering, what type of fasteners
are required if the particleboard is attached directly to the studs?

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25. Which of the following standards is applicable for factory-built fireplaces?

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1300.0110

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26. The building official has the authority to _______________ the provisions of the
code.

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27. A residential licensed contractor is required to have ____hours of continuing education every 2 years

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28. Except for Rumford fireplaces, the firebox of a masonry fireplace shall have a minimum
depth of _______________ inches.

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29. A weep screed installed on exterior stud walls in an exterior plaster application
must be placed a minimum of _______________ inch(es) above paved areas.

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30. HVAC ductwork installed in a garage must have a minimum insulation value of?

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31. Glazing adjacent to a door to a storage closet is not required to be safety glazing provided
the closet is a maximum of _______________ in depth.

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32. The minimum offset for end joints in a double top plate shall be _______________.

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33. Unless grading is prohibited by physical barriers, lots shall be graded away from the
foundation with a minimum fall of _______________ within the first

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34. The ground snow load for Goodhue county is...

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35. The water-resistive vapor permeable barrier required to be applied over wood-based
wall sheathing shall have a performance level equivalent to that of _______________
layer(s) of Grade _______________ paper.

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36. What is the minimum STC rating for walls and ceilings between dwelling units?

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37. An Exterior Insulation Finish System (EIFS) shall terminate a minimum of
_______________ above the finished ground level.

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38. ACI 318-14 is a reference standard addressing _______________.

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39. Any contractor disturbing more than 20 sq ft of lead based paint on the exterior of the house must...

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40. A permit for a temporary structure is limited as to time of service, but shall not be
allowed for more than _______________ days.

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41. A homeowner signs a contract for a contractor to remodel their kitchen. In order for the contractor to have lien rights the contractor must...

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42. Water-resistant gypsum board shall not be installed over which of the following
classifications of vapor retarders when located in a tub or shower compartment?

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43. A homeowner discovers a potential warranty issue after the contractor finishes the remodeling project. How many months from discovery does the homeowner have to notify the contractor of the issue?

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44. When paying wages to an employee an employer is commiting fraud if the following are done except

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45. What is the maximum center-to-center stud spacing permitted for a 2-inch by
6-inch, 8-foot-high wood stud bearing wall supporting two floors, roof and ceiling?

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46. The commissioner may issue a penalty of up to ___________for each violation of applicable laws

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47. In general, the minimum required ceiling height of all habitable rooms is
_______________.

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48. End-jointed lumber used in an assembly required by the IRC to have a fire resistance
rating must have the designation _______________ included in its grade mark.

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49. What is the minimum required size of a hearth extension for a masonry fireplace having
a 30-inch-high by 42-inch-wide fireplace opening?

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50. On a site having expansive soil, roof drainage water shall discharge a minimum of
_______________ feet from the foundation walls or to an approved drainage system.

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51. Where waterproofing of a masonry foundation wall is necessary due to the presence
of a high water table, a minimum membrane thickness of _______________ is
required if the waterproofing material is polymer-modified asphalt.

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52. A curtain wall is defined as...

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53. A sketch is defined as...

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54. Screws for attaching gypsum board to wood framing shall penetrate the wood a
minimum of _______________.

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55. Where SPF #2 ceiling joists create an uninhabitable attic without storage and are
spaced 24 inches on center, what is the maximum allowable span when 2-inch by 6-
inch members are used?

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56. Where floor joists frame from opposite sides across the top of a wood girder and are
lapped, the minimum lap shall be _______________.

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57. Where located less than 5 feet above the walking surface, glazing in a wall enclosing
an outdoor hot tub shall be considered to be installed in a hazardous location unless
the glazing is a minimum of _______________ horizontally from the water’s edge.

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58. The continuous vapor barrier required in an unvented crawl space shall extend a minimum
of _______________ inches up the stem wall.

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59. Where required on an asphalt-shingled roof of 5:12 slope, an ice barrier shall
extend from the lowest edges of the roof surfaces to a minimum of
_______________ inches inside the exterior wall line of the building.

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60. Where supporting only a light-frame exterior bearing wall and roof, what is the maximum
cantilever span for 2 by 10 floor joists spaced at 16 inches on center, provided
the roof has a width of 32 feet and the ground snow load is 30 psf?

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61. Utility grade studs, where used in loadbearing walls supporting only a roof and a
ceiling, shall have a maximum height of _______________ feet.

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62. Where ledgers are used at the connection between a masonry wall and a wood floor
system having floor joists spanning 16 feet, 1/2-inch ledger bolts shall be located at a
maximum of _______________ on center, provided the building is in Seismic
Design Category A, B or C and the wind loads are less than 30 psf.

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63. If a contractor fails to make payment for labor, skill, materials or machinery for which a client has provided money for. The contractor is guilty of...

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64. Setting goals, analyzing results and controling costs are part of...

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65. Timely renewal of a contractors license is when applications are received by_____ every other year

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66. To be considered a valid construction contract in Minnesota each and every contract must include...

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67. Where masonry veneer is used, concrete and masonry foundations shall extend a
minimum of _______________ above adjacent finished grade.

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68. What is the maximum oversizing of heating and A/C equipment?

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69. Where 15/32-inch wood structural panels having a span rating of 32/16 are used as roof
sheathing, what is the maximum span without edge support?

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70. What is the minimum required width and thickness for concrete footings supporting
light-frame construction for a two-story 32-foot-wide house with a crawl space, in a
locale with a 30 psf snow load and soil with a load-bearing value of 2000?

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71. Where a masonry chimney is constructed totally outside the exterior walls of a dwelling,
a minimum air space clearance to combustibles of _______________ is required.

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72. An individual is exempt from Workers Compensation if they are a spouse, parent or _____of an excutive officer of a closely held corporation

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73. An individual must pay the commission a license re-instatment fee of _____after revocation, suspension or voluntary termination of their contractors license.

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74. An exterior wood deck may be constructed of all of the following except...

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75. The minimum window SHGC for climate zone 6 is...

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76. Where the ground snow load is 30 psf, what is the maximum allowable span of a
built-up spruce-pine-fir girder consisting of three 2 by 12s when it is located at an
exterior bearing wall and supports a roof, a ceiling and one center-bearing floor in a
building having a width of 24 feet?

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77. Deck joists for wood-framed exterior decks are permitted to cantilever a maximum of
__________ of the joist span.

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78. Violation of the building code is a...

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79. In wood wall framing where top and bottom plates are attached to the studs, which
of the following fastening methods is acceptable?

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80. What is the amount of concrete needed to install a patio that is 14'-6" wide by 16'-4" long and 4" thick?

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81. Where an exterior wall top plate is notched to the extent that a metal tie is required
across the opening, the tie shall be fastened to the plate at each side of the opening
with a minimum of _______________10d nails at each side, or equivalent.

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82. To be an independent contractor in Minnesota and not an employee you must abide by the following except.

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83. A series of tasks that controls the start and finish dates of a project is called

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84. Within a shower compartment, the walls shall be finished with a nonabsorbent surface
to a minimum height of _______________.

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85. Unless specifically approved, what is the maximum slump permitted for concrete
placed in removable foundation wall forms?

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86. A minimum design live load of _______________ shall be used for the determination
of the maximum allowable floor joist spans in attics that are accessed by a fixed stairway.

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87. A warranty on a remodeling project starts when...

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88. The ______________ is authorized and
directed to enforce the provisions of this code.

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89. A radon control system is required to be install when...

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90. A contractor must warranty their work for the required time unless...

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91. A contractor has ____days after the completion of the project to file a lien notice.

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92. Where a permanent wood foundation basement wall system is used, the wall shall be
supported by a minimum _______________ footing plate resting on gravel or
crushed stone fill a minimum of _______________ in width.

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93. Screws attaching floor sheathing to cold-formed steel joists shall be installed with a
minimum edge distance of __________ inch.

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94. In an asphalt shingle roof application, step flashing on a sidewall shall be a minimum
of _______________ inches high and _______________ inches wide.

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95. The minimum distance from a window for a radon vent pipe is...

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96. If an individual or business submits an invoice with materials and time itemized on the bill the entity is considered a

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97. In all cases, a masonry chimney shall extend a minimum of _______________ above
the highest point where the chimney passes through the roof.

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98. Wood structural panels 15/32-inch thick are to be used as subfloor sheathing and are to
be covered with 3/4-inch wood finish flooring installed at right angles to the joists.
What is the maximum allowable span of the wood structural panels if the span rating
of the panels is 32/16?

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99. Where the cantilevered portion of a rafter is notched, a minimum of
_______________ inches of the member depth must remain.

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100. In order to use the prescriptive method  for simplified wind loads of the 2020 MN Residential Code the building must meet the following requirements except.

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101. The minimum insurance requirements for property damage is

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102. Where a steel fireplace unit incorporating a steel firebox lining is installed with solid
masonry to form a masonry fireplace, it shall be constructed with minimum
_______________-inch steel.

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103. Access to an under-floor space through a perimeter wall shall be provided by a minimum
_______________ access opening.

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104. What wind exposure category is appropriate for a dwelling located in a residential
development in a suburban area?

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105. A permit is not required for the construction of a one-story detached accessory structure
when it has a maximum floor area of _______________ square feet.

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106. When natural ventilation is used to satisfy the minimum ventilation requirements for
habitable rooms, the aggregate open area to the outdoors shall be a minimum of
_______________ of the floor area.

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107. Wood studs shall have a minimum clearance of _______________ from the back
face of a masonry fireplace.

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108. A roof projection on a dwelling shall be located a minimum of _______________
from an interior lot line.

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109. The commissioner may issue a notice of violation to__________in regards to violation of an applicable law.

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110. Grounds for sanctions include all of the following except

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111. Double underlayment is required for an asphalt shingle application where the roof has
a slope of up to _______________ .

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112. In a 24" O.C. steel framed wall with an insulation value of R19+10.1. What is the wood framed wall equivilant?

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113. The elements of a drawing are lines, dimensions, views and...

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114. For a tiny house what is the minimum loft floor area?

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115. Concrete used in a basement slab shall have a minimum compressive strength of
_______________ where a severe weathering potential exists.

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116. A driveway needs 6 cubic yards of concrete and is 40'-3" long and 96" wide. What will the thickness of the driveway be?

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117. Overflow scuppers utilized for secondary roof drainage shall have a minimum
size_______________ of the roof drain.

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118. A purpose of the contractor recovery fund is to

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119. Fire-retardant-treated wood, when used in roof construction, shall have a maximum
listed flame spread index of _______________.

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120. Smoothing to fill in the hollows and compact concrete is defined as.

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121. For new construction what is the minimum warranty requirement for a structural issue?

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122. Where an unvented conditioned attic assembly is utilized for a residence, the use of
wood shakes on the roof would require a minimum continuous _______________ -
inch vented air space between the shakes and the roofing felt.

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123. Construction documents are required to include all of the following except.

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124. When two or more flues are located in the same masonry chimney, they shall be separated
by masonry wythes having a minimum thickness of _______________.

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125. What wind exposure category is appropriate for a dwelling located in a residential
development in a suburban area?

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126. What is the minimum insulation requirement for a wood foundation?

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127. If a contractor fails to correct a violation the forgivable portion of a penalty will be due and payable with _______days.

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128. In a nonbearing partition, a wood stud may be notched a maximum of
_______________.

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129. Construction documents are required to have all of the following information except.

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130. When 1/2-inch gypsum board is used as an interior wall covering and installed perpendicular
to framing members at 16 inches on center, the maximum spacing of
nails is _______________ on center where adhesive is used.

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131. The ends of floor joists shall bear a minimum of _______________ on wood or
metal.

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132. Lein rights with respect to real esate only applies to...

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133. It is the duty of the _______________ to notify the building official that work is
ready for inspection.

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134. All contractors in Minnesota must register with the Department of Labor except...

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135. Emergency escape and rescue openings, when considered as grade floor openings,
shall have a minimum net clear opening of _______________.

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136. In a situation where a residential contractor losses its qualifing person, how many days does it have to replace the qualifing person before termination of the license?

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137. Nails used to attach concrete roof tiles to the roof deck shall penetrate the deck a
minimum of _______________ or through the thickness of the deck, whichever is
less.

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138. In Minnesota's climate what is the maximum number of air changes per hour allowed?

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139. When installing an ERV in a new house the HVAC contractor must balance the intake within ____ of the exhaust

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140. For tapersawn shakes installed on a roof, the spacing between wood shakes shall be a
minimum of _______________ and a maximum of _______________.

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141. What is the wind design speed for Minnesota

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142. The certificate of occupancy shall contain all of the following information except:

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143. In order to better market your construction company you change the business name. How many days do you have to inform the commissioner?

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144. The ultimate design wind speed to be used for a majority of the United States is
_______________.

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145. For rooms other than sleeping rooms, what is the minimum uniformly distributed live
load that is to be used for the design of the floor system?

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146. Where unfaced fiberglass batt insulation is used as a fireblocking material in the
wall cavity of a wood stud wall system, the insulation shall be installed with a minimum
vertical height of _______________ .

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147. What is the minimum required size of a steel angle spanning 8 feet used as a lintel
supporting one story of masonry veneer above?

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148. Mortar is made with all of the following except.

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149. When marketing your construction business, your license number needs to be displayed on...

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150. For homes that are 400 sq feet or less What is the maximum distance between the loft and an egress window?

MN Statute 326B.802 Subd 11

"Residential building contractor" means a person in the business of building residential real estate...

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151. A residentail building contractor license allows all of the following except.

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152. For a remodeling project what is the minimum warranty requirement for the mechanical system?

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153. A contractor has a contract to remodel their clients bathroom. In order for a contractor to have lein rights. The contractor must...

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154. A roof system is subjected to a 50 psf ground snow load and creates a dead load of 20
psf. The ceiling is not attached to the rafters. Assuming that rafter ties are provided at
the top plate line, what is the maximum span of 2-inch by 8-inch Hem-Fir #1 rafters
spaced at 24 inches on center?

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155. What is the minimum total net free ventilating area required for a 1,500-square-foot
attic space where 75 percent of the required ventilation area is provided by ventilators
located in the upper portion of the attic space?

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