Mississippi Residential Remodeler Examination

Under OSHA 29 CFR 1926 Subpart M, when must a remodeler generally provide fall protection for a worker on a walking/working surface with an unprotected edge?

• AAt 4 feet or more above a lower level
• BAt 6 feet or more above a lower level
• CAt 10 feet or more above a lower level
• DOnly when the roof slope exceeds 4:12

A non-self-supporting extension ladder reaches a working height of 20 feet on a two-story remodel. Using the OSHA 4:1 setup, how far should the base be placed from the wall?

• A3 feet
• B4 feet
• C5 feet
• D8 feet

On a supported scaffold platform used for exterior trim replacement, OSHA 1926.451 generally requires fall protection when the platform is more than how far above a lower level?

• A4 feet
• B6 feet
• C10 feet
• D15 feet

When a portable extension ladder is used to reach a second-story landing, how far must the side rails extend above the upper landing surface?

• A1 foot
• B2 feet
• C3 feet
• D5 feet

What are the OSHA 1926.502 construction criteria for a standard top rail on a temporary guardrail at an open second-floor remodel?

• A36 inches high and able to resist 50 pounds
• B42 inches plus or minus 3 inches high and able to resist 200 pounds
• C48 inches high and able to resist 500 pounds
• D30 inches high with no strength requirement if flagged

Spoils from a footing excavation for a room addition must be kept at least how far from the excavation edge unless a retaining device is used?

• A6 inches
• B12 inches
• C2 feet
• D5 feet

Why does OSHA require GFCI protection (or an assured equipment-grounding conductor program) for temporary 120-volt tools on a remodel site?

• ATo prevent motors from overheating
• BTo interrupt ground-fault leakage that can electrocute a worker
• CTo increase circuit-breaker trip ratings
• DTo protect electronic devices from static

A competent person examines the soil in a 5-foot-6-inch-deep utility trench for a kitchen addition. Unless the excavation is entirely in stable rock, what does OSHA 1926.652 generally require?

• AOnly a hard-hat rule and a spotter
• BA protective system such as sloping, benching, shoring, or a trench shield
• CNo cave-in protection because the trench is under 8 feet
• DA confined-space permit instead of cave-in protection

When toeboards are used on a scaffold or open-floor edge to keep tools from falling on workers below, what is the OSHA 1926.502 minimum vertical height?

• A1-1/2 inches
• B2 inches
• C3-1/2 inches
• D6 inches

A personal fall-arrest anchorage used by one remodeler on a steep roof must be capable of supporting at least how much per attached employee, or be designed with a safety factor of at least two?

• A1,000 pounds
• B2,000 pounds
• C5,000 pounds
• D10,000 pounds

Except for a qualifying grade-floor opening, what is the IRC 2021 minimum net clear opening area for an emergency escape and rescue opening?

• A4.0 square feet
• B5.0 square feet
• C5.7 square feet
• D9.0 square feet

A first-floor sleeping-room window has its sill at the same level as exterior grade. What is the IRC 2021 minimum net clear opening area for that grade-floor emergency escape opening?

• A3.3 square feet
• B5.0 square feet
• C5.7 square feet
• D9.0 square feet

What is the IRC 2021 maximum height from the finished floor to the bottom of the clear opening of an emergency escape and rescue window?

• A36 inches
• B40 inches
• C44 inches
• D48 inches

Besides net clear area, what minimum net clear dimensions must an IRC 2021 emergency escape and rescue opening provide through normal operation?

• A18 inches high and 18 inches wide
• B20 inches high and 24 inches wide
• C24 inches high and 20 inches wide
• D30 inches high and 30 inches wide

A basement sleeping-room window opens to a net clear area 24 inches high by 34 inches wide. The sill is 42 inches above the floor. Does this opening meet the IRC 2021 general EERO size rules?

• AYes, because 24-by-34 inches exceeds both 24 and 20 inches
• BNo, because the net clear area is about 5.67 square feet, which is less than 5.7
• CYes, because the sill is under 44 inches
• DNo, because the width is less than 36 inches

During a bathroom remodel, a fixed window will be installed beside a bathtub. Under IRC R308, when is that glazing generally a hazardous location requiring safety glazing?

• AOnly if the pane is larger than 9 square feet
• BWhen the bottom exposed edge is less than 60 inches above the standing or walking surface
• COnly if the window is operable
• DNever, because bathrooms are exempt

Which residential glazing location is generally a hazardous location that requires safety glazing under IRC R308?

• AA small transom 7 feet above the floor
• BGlazing in a swinging door
• CA 4-square-foot picture window with its sill 30 inches above the floor and more than 3 fe…
• DA basement hopper window used only for ventilation and not for egress

A new basement bedroom egress window sits below grade. What IRC 2021 window-well criteria generally apply?

• AA 4-square-foot well with no ladder at any depth
• BA well of at least 9 square feet with 36-inch minimum projection and width, plus a ladder…
• CA well only if the window is larger than 15 square feet
• DNo well is required if a sump pump is installed

What are the actual dressed dimensions of a standard 2x4 stud used in residential framing?

• A2 inches by 4 inches
• B1-1/2 inches by 3-1/2 inches
• C1-3/4 inches by 3-3/4 inches
• D1-1/4 inches by 3-1/4 inches

In conventional wood-frame remodel walls, what is the most common on-center stud spacing used with 4-foot-wide sheathing?

• A12 inches on center only
• B16 inches on center
• C24 inches on center only
• D32 inches on center

When framing a new window opening in a load-bearing remodel wall, which member sits under each end of the header and carries the header load down to the sole plate?

• ACripple stud
• BKing stud only
• CJack (trimmer) stud
• DRibbon board

Per IRC R502.8.1, a notch in the top or bottom of a solid-sawn floor joist away from the ends must not exceed what portion of the joist depth, and where is it prohibited?

• AOne-half the depth, anywhere in the span
• BOne-sixth the depth, and not in the middle one-third of the span
• COne-third the depth, only in the middle one-third
• DOne-fourth the depth, only at midspan

A plumber wants to bore a hole through a 2x10 floor joist (actual depth 9-1/4 inches) for a drain. What is the IRC maximum hole diameter, and how far must the hole stay from the top or bottom edge?

• A4-1/2 inches, and it may touch the edge
• BAbout 3-1/8 inches (one-third of 9-1/4 inches), and not closer than 2 inches to the top o…
• C1-1/2 inches, anywhere in the joist
• DThe full 9-1/4-inch depth if a metal plate is added

When installing sawn floor joists, which way should the crown (the slight bow on the edge) be oriented?

• ACrown down so the joist can settle flat
• BCrown up so live load tends to straighten the joist
• CCrowns alternating up and down to average out
• DCrown toward the bearing wall only

Per IRC R403.1.6, wood sill plates on a concrete foundation are generally anchored with what bolts, spacing, and end distance?

• A3/8-inch bolts at 8 feet on center, 24 inches from each end
• B1/2-inch bolts embedded 7 inches, at not more than 6 feet on center, and within 12 inches…
• C5/8-inch bolts at 10 feet on center with no end-distance rule
• DConcrete nails at 16 inches on center only

Where double top plates are used on a wood-frame remodel wall, how far must end joints in the two plates be offset?

• AThey may align if toenail-spliced
• BAt least 24 inches
• CAt least 6 inches
• DThey must occur only over a stud

How many board feet are in a package of 24 pieces of 2x10 lumber, each 16 feet long?

• A320 board feet
• B480 board feet
• C640 board feet
• D768 board feet

What is the defining feature of platform (western) framing used in most residential remodels?

• AStuds run continuously from foundation to roof, with floors hung on ribbons
• BEach story’s walls sit on the floor platform of that story
• COnly steel studs are used
• DAll interior partitions are load-bearing

A cathedral-ceiling remodel removes the ceiling joists that had been tying the rafter heels. What member must then carry the roof’s vertical load at the peak?

• AA nonstructural 1x ridge board only
• BA structural ridge beam sized to carry the roof load
• CCollar ties alone in the upper third
• DFascia boards nailed across the tails

Why must a wood sill plate on a concrete foundation generally be preservative-treated or naturally durable lumber?

• ATo make nailing easier
• BBecause wood in contact with concrete can absorb moisture and is subject to decay and ins…
• CBecause untreated lumber cannot be painted
• DBecause the IRC bans all untreated lumber in walls

A stair from a remodeled basement has a total rise of 109 inches. Using the IRC 2021 maximum riser of 7-3/4 inches, what is the smallest number of risers that works, and what is each riser height?

• A13 risers at 8.38 inches
• B14 risers at 7.79 inches
• C15 risers at 7.27 inches
• D16 risers at 6.00 inches

In concealed spaces of stud walls, IRC fireblocking is generally required vertically at ceiling and floor levels and horizontally at intervals not exceeding how far?

• A4 feet
• B6 feet
• C10 feet
• D16 feet

When notching a load-bearing stud for a pipe or wire, what is the IRC R602.6 limit on notch depth?

• A10 percent of the stud width
• B25 percent of the stud width
• C40 percent of the stud width
• D60 percent of the stud width

What is the IRC minimum bearing length for the end of a floor joist, beam, or girder on wood or metal?

• A3/4 inch
• B1-1/2 inches
• C3 inches
• D5-1/2 inches

You are laying out 16-inch-on-center studs so that 48-inch sheathing breaks on stud centers. How far from the outside corner should the first stud’s centerline be?

• A16 inches
• B15-1/4 inches
• C14-1/2 inches
• D24 inches

During a remodel, a metal-plate-connected roof truss is in the way of a new skylight. What is the correct approach?

• ACut the truss chord and sister a 2x4 beside the cut
• BDo not cut, notch, or drill the truss unless an engineer or the truss designer approves a…
• CRemove every other web because webs are nonstructural
• DNail plywood to one face and then cut any member

Where should rafter ties be located to resist the outward thrust of a pair of rafters on the wall plates?

• AIn the upper one-third of the attic, like collar ties
• BIn the lower one-third of the rafter span, typically at or near the plate line
• COnly at the ridge
• DAnywhere, as long as they are 2x4s

A 2x4 load-bearing wall header is commonly built from two 2-by members with what between them so the header matches the 3-1/2-inch wall thickness?

• AA 3-1/2-inch foam spacer
• BA 1/2-inch plywood or OSB spacer
• CNo spacer; the two 2xs already equal 3-1/2 inches
• DA steel flitch plate in every header

A gable rafter has a run of 16 feet and a pitch of 6:12. What is the theoretical line length of the rafter from plate to ridge, ignoring overhang and ridge thickness?

• A16 feet 0 inches
• B17 feet 10-5/8 inches (√(16² + 8²))
• C20 feet 0 inches
• D24 feet 0 inches

For typical wood structural-panel wall sheathing in IRC Table R602.3(1), what is the common nail spacing at supported edges and in the field?

• A12 inches at edges and 16 inches in the field
• B6 inches at edges and 12 inches in the field
• C4 inches everywhere
• D16 inches at edges and 24 inches in the field

When installing baseboard or crown molding, what joint is preferred at an inside corner so seasonal wood movement does not open a gap?

• AA simple butt joint against the adjoining face
• BA coped joint
• CA scarf joint
• DA biscuit-glued miter only

When setting a prehung interior door, which side should be plumbed, shimmed, and fastened first?

• AThe head jamb
• BThe latch-side jamb
• CThe hinge-side jamb
• DThe threshold only

What is the standard height of a residential interior passage door slab?

• A6 feet 0 inches
• B6 feet 8 inches
• C7 feet 0 inches only
• D8 feet 0 inches only