Building Trades
The lower edge of a shingle is called: 1 exposure 2 head lap 3 side lap 4 shingle butt
4
In Michigan, any air-impermeable insulation must be a _________ vapor retarder. 1 Class I 2 Class II 3 Class III 4 Class IV
2
In balloon framing, the second floor joists rest on: 1 collar ties 2 the ribbon 3 top plate 4 rafters
2
A control joint allows for what? 1 leveling the foundation 2 a place for a girder to rest 3 movement 4 none of the above
3
Bracing is required when a masonry wall exceeds ________ while under construction. 1 5' 2 6' 3 7' 4 8'
4
Durock cement board could be used for 1-Floor underlayment 2 Counterops 3 Wall tile 4 All of the above
4
The main reason contractors use pre-built trusses: 1 material cost savings 2 labor cost savings 3 trusses can span greater distances without needing a bearing wall 4 All of above
4
What is added to make concrete more workable with less water? 1 fly ash 2 accelerators 3 retarders 4 water reducers
4
What is the maximum slump that concrete should have if it is to be used for floor slabs?
4
What is the maximum unbalanced backfill height of a pier and curtain wall foundation that is 4 inch solid masonry. 1 12 inches 2 18 inches 3 20 inches 4 24 inches
4
Where is temporary horizontal bracing attached when erecting trusses? 1. Along the lower chord of the trusses. 2. Along the webs. 3.Near the ridge line of the truss. 4.Near the tail of the truss.
3
Where should exterior storm windows be caulked? 1 top only 2 top, both sides and bottom 3 top and both sides 4 should never be caulked
3
Which is required for the minimum stud size and maximum spacing when a wall supports two floors in addition to a roof? 1.2 x 4 at 16 inches 2.2 x 4 at 24 inches 3.2 x 6 at 16 inches 4.2 x 6 at 24 inches
3
Anchor bolts must be provided within _____________ from the end of each piece of the sill plate. 1 6" 2 8" 3 10" 4 12"
4
Back fill material should be free of: 1 mostly clay soil 2 scrap lumber 3 tree limbs 4 all of the above
4
Besides Type M mortar, what other type is acceptable for mortar being used for foundations? 1 E 2 N 3 O 4 S
4
Besides ensuring the proper strength of concrete, proper curing of concrete also aids in: 1 durability 2 surface soundness 3 reducing cracking 4 all of the above
4
Concrete slabs poured above grade are often supported by ribbed or corrugated steel decking. These forms are called __________ . 1 slip forms 2 jump forms 3 stay-in-place forms 4 gang forms
3
Concrete that has a lot of Portland cement in the mix may be referred to as: 1 High mix 2 Max mix 3 Rich concrete 4 Fat mix
3
Crawl space foundations are typically less than_____feet tall. 1 2 2 4 3 5 4 8
3
Deck ledgers must be a minimum of ____. 1 2x4 2 2x6 3 2x8 4 All of the above Notes: R507
3
Most bath fan systems will use a ___________ fan. 1 25-CFM to 50-CFM 2 50-CFM to 75-CFM 3 50-CFM to 100-CFM 4 100-CFM to 200-CFM
3
RRP records must be maintained on all of the following EXCEPT: 1 target housing-individual units 2 target housing-common areas 3 all public facilities 4 child-occupied facilities
3
The thermal process known as hydration refers to: 1 air entrainment of concrete 2 freeze and thaw conditions of concrete 3 the curing process 4 none of the above
3
There are two ways to insure proper curing of concrete: apply water to make up for water lost due to evaporation, and __________________ . 1 use plasticizers 2 use retarders 3 prevent evaporation 4 all of the above
3
What is the sole purpose for welded wire fabric in a floor slab? 1 increase the load carrying capacity 2 prevent slab from cracking 3 prevent cracks from opening 4 all of the above
3
A bored hole in a stud can be no less than____ of an inch from the edge of the stud. 1 5/8 2 1/2 3 3/8 4 All of the above
1
After a visual inspection, either a Certified Renovator must perform a cleaning verification or other professionals must conduct a ___________. 1 clearance examination 2 visual test 3 X-ray fluorescence test 4 airborne lead test
1
Contraction joints, also known as control joints, in a slab are used to: 1 Control random cracking 2 Create dimensional character 3 Water drainage 4 Segregate the slab
1
Foundation walls should be a minimum of how many inches above grade? 1 6" 2 12" 3 16" 4 8"
1
A method to prevent cast concrete from excessive shrinking is to: 1 Increase the cement factor and reduce the size of the aggregate 2 Lower the cement factor and increase the size of the aggregate 3 Use more steel 4 Add calcium chloride
2
When sawing a control joint in a concrete slab, the joint must be a minimum of how deep? 1 1/5 the thickness 2 1/4 the thickness 3 1/2 the thickness 4 2/3 the thickness
2
A number 3 rebar is what diameter? 1 1/8 inch 2 1/4 inch 3 3/8 inch 4 1/2 inch
3
If concrete is exposed to de-icers and it is not air entrained, it could: 1 Bleach the surface 2 Darken 3 Scale or spall 4 Buckle
3
Isolation joints isolate differing parts of a structure to permit independent: 1 Structures 2 Design 3 Movement 4 Placement
3
It is necessary to maintain the temperature above 50 degrees in order for concrete to properly: 1 dissipate 2 strengthen 3 cure 4 level off
3
Maximum anchor bolt spacing is: 1 2' 2 4' 3 6' 4 8'
3
The minimum allowable bed joint for a starting course on a footing is 1/4" and the maximum allowable is ____________. 1 1/4" 2 1/2" 3 3/4" 4 None of the above
3
The minimum hall width in a single family dwelling is: 1 30" 2 32" 3 36" 4 38"
3
The minimum net free ventilating area shall be _______ of the vented space. 1 1/75 2 1/100 3 1/150 4 1/300
3
A ___________ is a metal plate affixed to a doorjamb with a hole or holes for the bolt of the door. 1 lock set 2 jamb 3 stud 4 strike plate
4
The white salty powder that forms on the finished surface of concrete is called ___________. 1 sodium 2 dust 3 lime 4 efflorescence
4
A wall plate is the horizontal member at the top or bottom of a wall. True False
True
Avoid using the open valley method where two roofs forming a valley have considerably different slopes. True False
True
Masonry units shall be dry before placing. True False
True
1. ___________ or covenants often protect the appearance of a neighborhood by restricting exterior paint colors, prohibiting outdoor storage units, or regulating landscape issues. a-easements b-deed restrictions c-setbacks d-all of the above
b
If a high water table is present, what is required by code to cover the foundation wall up to finish grade? 1 a waterproofing membrane must be applied over the exterior face of the foundation wall up to grade level. 2 the outside of the entire foundation wall must be cement parged and then a waterproof cover added over the parging. 3 A waterproofing membrane must be applied over the entire exterior face of the foundation wall. 4 none of the above
1
Handrails should be provided on at least one side of stairways with three or more risers. True False
False
Rebar is placed in concrete mainly to improve its compression strength. True False
False
Requirements for swimming pool barriers and enclosures are found in the 2015 International Residential Code True False
False
what is (BCY)
one cubic meter (yard) of material as it lies in the natural bank state. ... Swell — Swell is the percentage of original volume (cubic meters or cubic yards) that a material increases when it is removed from the natural state.
A two car wide driveway is usually how wide? 1 14' 2 16' 3 18' 4 none of the above
3
________________ concrete is the process of leveling the freshly poured concrete before it is floated. 1 screeding 2 brushing 3 raking 4 stomping
1
A slump cone is a metal cone used for: 1 determining water mix in concrete 2 pouring cement into small places 3 measuring amount of cement used 4 none of the above
1
Maximum height for a low-lift grout application is ____feet. 1 5 2 8 3 12 4 None of the above
1
On sidewalk surfaces, it is necessary to broom the surface of concrete to provide a: 1 non-slip surface 2 clean sidewalk 3 bubble-free surface 4 more durable surface
1
The curing time between the first and second coat of cement plaster shall be a minimum of____hours. 1 48 2 24 3 12 4 None of the above
1
The footing for a wood foundation is made up of _____________________. 1 gravel or crushed stone 2 concrete 3 lime 4 treated wood
1
The maximum distance between the last anchor bolt and the end of the foundation plate is: 1 one foot 2 two feet 3 four feet 4 no more than four feet
1
The most commonly used additive to help concrete set rapidly and more cohesively is: 1 calcium chloride 2 fly ash 3 hydrochloric acid 4 paint catalyst
1
The most precise way of positioning rebar for a slab is to use: 1 Stirrups 2 Tables 3 Stools 4 Spacers
1
What type of building superstructure is allowed when a wood foundation system is utilized? 1 wood frame only 2 wood frame and concrete block 3 concrete block 4 solid brick
1
When preparing to set roof trusses, substantial ___________ of the first truss is critical for the proper installation and safety concerns of the project. 1 ground bracing 2 inspection 3 spacing 4 none of the above
1
Both pier and pile foundations derive their load bearing capacity through skin friction, end bearing or a combination of both. True False
True
What type of building can be erected on a pier and curtain wall foundation? 1 steel frame 2 light frame 3 natural stone 4 all of the above
2
What is the maximum slump that concrete should have if it is to be used for floor slabs?
2 1/2
Ceiling tiles are used for: 1 making the room lighter 2 adding color to the room 3 a sound deadener 4 none of the above
3
Concrete floors should have a minimum compressive strength of____psi. 1 2000 2 2500 3 3500 4 None of the above
3
What is the MINIMUM compressive strength for concrete used in a foundation wall that will be exposed to weather?
2500PSI
A concrete floor may also be called a: 1 cement pond 2 slab on ground 3 lower elevation 4 slag
2
A square of roofing material is equal to: 1 10 square feet 2 100 square feet 3 25 square feet 4 250 square feet
2
All doors ingress and egress including storm doors must have _____________________. 1 plate glass 2 safety glazing 3 single strength glass 4 double strength glass
2
Base Kitchen cabinets are secured to the wall by using: 1 two nails through the rail 2 two screws through the rails 3 four nails through the rail 4 three screws through the rails
2
Batter boards must be kept____feet from the intended excavation. 1 2 2 4 3 6 4 None of the above
2
Concrete is made by mixing: 1 lime, Portland cement, and water 2 cement, sand, water, and gravel 3 lime, mortar, and water 4 none of the above
2
Mortar is a mixture of lime, Portland cement, sand and ___________________ . 1 gravel 2 water 3 chloride 4 mud
2
Ready mix concrete is purchased by the cubic yard, which is how many cubic feet? 1 144 2 27 3 124 4 8
2
Rubble stone foundations must be a minimum of_____inches wide. 1 12 2 16 3 24 4 None of the above
2
There are two basic types of decks ground-level and_____. 1 platform 2 elevated 3 stepped 4 None of the above
2
Three-in-one tab shingles are most commonly found: 1 on flat roofs 2 on roofs over 3 in 12 pitch 3 over old cedar shake shingles 4 none of the above
2
Welded wire mesh should be placed _____below the top surface of the slab. 1 1 inch 2 2 inches 3 4 inches 4 None of the above
2
What is the first thing you do when you receive a citation from OSHA? 1 Stop and repair or make corrections 2 post the citation 3 fill it out and return it 4 wait for final papers from OSHA
2
For a slab placed below grade, it is necessary to provide at least 4" of crushed gravel or stone. This should be compacted. It will prevent moisture from collecting under the slab. This 4" area is known as ________________________. 1 Aggregate fill 2 Extra aggregate 3 Dry-base 4 Base
4
In comparison to regular concrete, air entrained concrete: 1 has more workability 2 is more watertight 3 is more durable in freeze/thaw conditions 4 both a and c
4
On large areas, it may be necessary to use a __________________ to finish the surface area. 1 large finish trowel 2 bullfloat 3 2 x 12 4 power trowel
4
When building a step footing, what is the maximum slope of the grade under the step area? 1 4% 2 6% 3 8% 4 10%
4
When framing walls, corner bracing may be: 1 approved metal wind bracing 2 1 x 4 wood let-in to the studs 3 wood structural panels 4 all of the above
4
When should cross bridging be installed? 1 before the joists are nailed 2 at the same time as sheeting is installed 3 any time after the subfloor is installed 4 the top of the bridging is nailed before, and the bottom is nailed after the subfloor is installed
4
Which of the following are true in regard to cold-weather construction? 1 water for mixing can be heated 2 insulated blankets can be placed over concrete footings 3 agregate can be heated 4 all of the above
4
By law, it is a requirement to post signs warning people of both asbestos and lead exposure. True False
True
Carbon monoxide poisoning is the leading cause of accidental poisoning deaths in the U.S. True False
True
Chairs are classified according to their degree of rust protection. Class #1 is the maximum protection, class #2 is moderate protection, and class #3 is no protection. True False
True
Grade beams are used to distribute large wall loads of a building equally along pile caps, caissons and spread footings. True False
True
If there is more than one smoke alarm in a house, they must all be interconnected. True False
True
Step flashing is also a base flashing. True false
True
The most common methods used for measuring heat flow is U-value and R-value. True False
True
in areas where 911 is not available the numbers of physicians, hospitals and ambulances shall be conspicuously posted. True False
True
