Occupational Skills Test Flashcards
When ladder is placed diagonal to 24’ wall, how far out from the bottom should the latter be placed?
Answer: C
6’
A piece of wood use to hold the long stock against a fence while using the table saw is called.
Answer: A
Push stick
When using a bandsaw, which the following should not be done?
Answer:D
Adjust the guide while operating
What is the diagonal length of the rector angular building at measures
Answer:B
The 7’ 6”
Is the name given to wood frames which the building lines are secured?
Answer: B
Batter Boards
The which are the correct names of the 3 types of grade rods?
Answer: A
architects, engineers, metric
The elevation of the curb is 100.34’ and a 125’ driveway has a 5% grade, what would the elevation be at the house?
Answer: B
106.59’
The distance between from the property line to the building is known as
Answer:B
Set backs
To prevent excessive checking, scaffold planks should:
Answer: C
have their ends banded with steel
What should be installed on all open sides of scaffold over 8’ high.
Answer: D
Guardrails
When applying laminate to a counter top.
Answer: C
Apply the side edges first.
Convert 3’ - 4 1/4” inch to decimal feet.
Answer: C
3.354’
Convert 6.875’ 2’ and inches.
Answer: C
6’ - 10 1/2”
The main difference between a transit level and a builder’s level is that the transit level:
Answer: B
can be used to measure vertical angles.
Difference between 100 linear feet of 2 x 12 and 100 board feet?
Answer: A
100 board feet
What is The Crane operators reaction to the following hand signal?
Flat right hand left thumbs up
Answer: D
Boom up slowly
A rope can be safely shortened by using a:
Answer: D
Sheep Shank
When the hypotenuse of a right triangle is 40’, and altitude is 32’, what is the length of the base?
Answer: B
24’
I heavy machine requires a circular concrete base that is 13’ in diameter. What is the surface area of the base?
Answer: C
132.73 sq. ft.
Is the building’s dimension are 45’ x 27’, what would be the length of the diagonals to be check the buildings for square?
Answer: A
52’ - 5 3/4”
Main floor of a house has a 13 interior doors and 2 exterior doors. Allowing 7’ for side casing and 3’ for head casings, How many linear feet of casing would be required to trim those doors?
Answer: C
476’
What is the purpose of a snatch block?
Answer: B
to achieve a mechanical advantage.
What is the crane operations reactions to the following hand signal?
right hand swiping to right
Answer: D
Stop
The class of fire extinguisher is used to put out a paper or wood fire?
Answer: A
Class A
What is the main maximum size Boulder can be used in backfield for an excavation?
Answer: B
250 mm
How deep should a trench before you need to provide a ladder to enter or have decides slope?
Answer: C
6’
Entry and exit: Provide safe access and egress for workers at excavations by means of ladders, steps, ramps, or other safe methods of entering or exiting. Trenches must have ladders placed in the area protected by the support system and be accessible in the event of a collapse. [O. Reg. 213/91 s. 240]
Protect yourself: Never enter a trench deeper than 1.2 meters (47 inches) unless the walls are sound, made of solid rock, properly sloped, shored or protected by a trench box. Never work alone in a trench.
How far beyond the face of the chimney wall must a chimney cap project?
Answer: B
25 mm
- 21.4.6. Chimney Caps
(1) The top of a chimney shall have a waterproof cap of reinforced concrete, masonry or metal.
(2) The cap required in Sentence (1) shall slope from the lining and be provided with a drip not less than 25 mm from the chimney wall.
On the builders level with four thumb levelling screws which direction would you turn the thumbscrews to move the bubble in a vial to the left?
Answer: B
Turn the screws to the right
To protect wood ladders from the weather, It is best to apply.
Answer: D
a clear finish
Casters for steel frames scaffolding must have.
Answer: D
working brakes
Is the minimum depth below grade for foundation on a clay soil?
Answer: B
1.2 M
What would be the minimum life of ladder that could safely be used when the height of a building is 23’?
Answer: C
30’
When corbelling for masonry veneer, What is the maximum distance beyond the support that a 4” thick brick can project?
Answer: B
25 mm
Ladders are required to extend how far above landings?
Answer: A
OHSA for Construction Projects
Section 82 (2)(a)
Ladders shall extend at the upper level at least 900mm above landing surface.
Worker in danger of falling ___m must wear full protection.
Answer: B = 2.5M or more
OSHA Construction Projects regulation Ontario
26. Sections 26.1 to 26.9 apply where a worker may be exposed to any of the following hazards:
- Falling more than 3 metres.
- 3 (1) Despite paragraph 1 of section 26, a guardrail system that meets the requirements of this section shall be used if a worker has access to the perimeter or an open side of any of the following work surfaces and may be exposed to a fall of 2.4 metres or more:
- A floor, including the floor of a mezzanine or balcony.
- The surface of a bridge.
- A roof while formwork is in place.
- A scaffold platform or other work platform, runway or ramp. O. Reg. 145/00, s. 14; O. Reg. 345/15, s. 6.
The hardening reaction that occurs between water and cement in concrete mix is known as.
Answer: B
hydration
What would the wire rope have to be rated for in order to lift the following:
Worker : 210 lbs.
Tools: 175 lbs.
Materials 225 lbs.
Answer: C
6100 lbs.
Add all the weight x 10
Hidden Line is shown by a.
Answer: C
series of short dashes
in laying out a 24 X 35 rectangle, what is the largest measurement of 3-4-5 you can have?
Answer: C
24-32-40
How much concrete is needed to build a silo as follows:
Inner Radius = 72’ 7”,
Outer Radius = 74’ 3”,
Height= 125’.
Answer: A
3, 558 cu. yds.
A tube and clamps scaffold has had one of its 2X10 mudsills undermined by heavy rain. How should a scaffolds be stabilize?
Answer: B
Remove loosened ground and excavate to level, extend scaffold down to new elevation.
3 mirrors are mounted on the wall a shown. What is the distance equal.
Answer: D
1’10 = 7’ 4” divided by 4
Cove molding can be shaped on a table saw by feeding the stock:
Answer: D
at roughly 45 deg angle to the table
Carpenter utilize a circular saw and a ___ cut to remove material from the center of the form.
Answer: B
Plunge
How many trammels are needed to lay out an ellipse with a major access 8’ long?
Answer: A
1
Who shall supervise the erection, alteration, and dismantling of a scaffold?
Answer: C
Competent person
The ___ is good for joining two ropes of similar size, but not 2 ropes of dissimilar size.
Answer: C
Square knot
You having all sides 4” x 4” has how many square inches of an area?
Answer: C
96 sq. inches
Convert the decimal numbers 1.125 and 3.3752 fractions and add.
Answer: D
4 1/2
A tank is 35 yards high. How many feet is this?
Answer: C
105’
What would be the height from the finish grade to the top of the concrete slab? Refer to wall section “A”
Answer: B
7’ - 0”
The joint between 2” X 6” and 2” X 8” must be connected with at least(Refer to wall section “A”).
Answer: C
3 nails 76mm long
What is the height from Sub-floor to finish ceiling in the 2nd story? (Refer to wall section “A”)
Answer: C
7’-7”
What is the actual distance of cantilevered floor frame?(Refer to wall section “A”)
Answer: C
24”
What type of cornice is used?
Refer to wall section “A”
Answer: B
box
To what elevation would you excavate for the basement floor area?
Assume finish grade = 729’ - 3 5/8”
(Refer to wall section “A”)
Answer: D
721’ - 9 5/8”
The building paper called for on wall section “A” shall consist of:
(Refer to wall section “A”)
Answer: A
Check OBC for roof Building paper
No.15 asphalt-saturated felt laid in two plies lapped 480mm and cemented together with lap cement.
That 10” thick drops called for on wall section “A “included for:
(Refer to wall section “A”)
Answer: D
Aesthetics
To provide for adequate foundation drainage, What must be done in addition to what is shown?
(Refer to wall section “A”)
Answer: C
Cover the top and sides of the 4” PERF Plastic Pipe with at least 150mm of crushed stone.
The R- value of the attic insulation?(Refer to wall section “A”)
Answer: B
R-22
The ceiling joists are the equivalent of how much mm??.(Refer to wall section “A”)
Answer: B
38 x 184
What is the minimum thickness of Sub-flooring if the material to be used grade 0-2 oriented strand board?(Refer to wall section “A”)
Answer: A
OBC table 9.23.14.5A
Column 2
15.5 mm
For the following questions refer to “plan B”
What size door is used for the linen closets?
Answer: B
1’-6” x 6’-8”
For the following questions refer to “plan B”
At least one window in PATRICIA’S BR must provide an unobstructed opening of not less than:
Answer: D
0.35 m²
Egress windows or doors for Bedrooms
9.9.10.1. (1) (b)
unobstructed open portion having a minimum area of 0.35 m² with no dimension less than 380 mm.
The length of study is.
For the following questions refer to “plan B”
Answer: B
15’- 2”
The hallway to Ricky’s BR is to be reduced to gain space. What is the minimum allowable unobstructed width? For the following questions refer to “plan B”.
Answer: B
710mm
- 5.10.1. Hallway Width
(1) The unobstructed width of a hallway within a dwelling unitshall be not less than 860 mm, except that the hallway width is permitted to be 710 mm, where,
(a) there are only bedrooms and bathrooms at the end of the hallway furthest from the living area, and
(b) a second exit is provided,
What type of plan is this? For the following questions refer to “plan B”
Answer: B
basement plan
How much clearance where between the study wall wood framing and masonry chimney? For the following questions refer to “plan B”
Answer: B
50 mm
- 21.5.1. Clearance from Combustible Materials
(1) The clearance between masonry or concrete chimneys and combustible framing material shall be not less than,
(a) 50 mm for interior chimneys, and
(b) 12 mm for exterior chimneys.
What is the volume of concrete for the column footings? Refer to plan C.
Answer: B
20 cubic feet
If unreinforced 10” concrete block is substituted for the poured concrete foundation, what is the maximum allowable height of finished ground above basement floor? The foundation wall will be laterally supported at the top.
Refer to plan C.
Answer: C
1.8m
Table 9.15.4.2.A.
10” = 254mm, in the table it is between 240 and 290; therefore, who will pick to 240mm as it is the minimum thickness requirement. The table states that the max allowable height is 1.8m.
What Room is the floor drain in?Refer to plan C
Answer: A
shop
What is the dimension of distance “z”?
Refer to plan C.
Answer: B
47’ - 11”
Get the whole building’s measurement deduct the dimension of the garage and 3 wall.
The supported joist length on the W8X20 beam in the GAME ROOM is.
Refer to plan C.
Answer: C
12’ - 6 1/2”
How many file listers are there?Refer to plan C
Answer: B
5
The minimum clearance required above the fireplace for a projection 500 X to 50X 1500 0C mantel shelf is.
Refer to plan C.
Answer: B
300 mm
- 22.9.1. Clearance to the fireplace Opening
(1) Combustible material shall not be placed on or near the face of a fireplace within 150 mm of the fireplace opening, except that where the combustible material projects more than 38 mm out from the face of the fireplace above the opening, such material shall be at least 300 mm above the top of the opening.
What are the 3 parts of a knot?
Answer: B
Standing part, bight, running end
Water the minimum safe distance you can get to a power line carrying 125,000 volts?
Answer: B
3 meters
System scaffold can we build to what height without an engineer drawing?
Answer: B
15 meters
What simple tool is used to lay out bevel siding?
Answer: A
Story pole
The BM is 106.42’, the H.I. is 111.89’, the B.S. is 5.47’ and the FS. is 3.89’, what is the new elevation?
Answer: D
108.00’
Angle greater than 90ﾟ but less than 180ﾟ.
Answer: C
Obtuse
Convert 3.142 I fraction.
Answer: B
A sheet of 0.019M plywood is made up on 5 players of equal thickness. Calculate the sickness of each layer.
Answer: A
.0038m
Horizontal load bearings scaffold members are known as.
Answer: B
Transoms
An apprentice cuts a piece of stock into 4 pieces. The lengths are 3 3/8”, 2 7/16”, 4 1/2”, and 1 1/4”. If 1/8” an inch is used of for each saw kerf, what was the original length of the board?
Answer: D
12 1/16”
A footing form will take 6.5 yd³ of concrete. How many cubic feet of concrete is this?
Answer: D
175.5 ft³
Using a 1/2 inch wire rope, What is the minimum number of wire rope clips record to make an end termination?
Answer: C
3
In a wall 22’-0” x 9’0”, how many square yards of drywall is there?
Answer: C
7.29 sq. yds.
What type of flame is used to cut steel with an oxyacetylene torch?
Answer: C
oxidizing
A heavy duty scaffold platform is normally rated for how much?
Answer: D
150 lbs./ sq. ft.
Maximum moisture content allowed for construction grade lumber is.
Answer: B
19%
When using a forklift, What must you know about the load before picking it?
Answer: B
Weight, dimensions, center of gravity
A tank contains15 cubic feet of wood chips. How many cubic inches is this?
Answer: A
25,920 in³
12”x12”x12” = 1,728 in³
1 ft³ = 1,728 in³ .
Therefore, 15 ft³ x 1,728 = 25,920 in³
Fabric roll-type air barriers are designed and install to:
Answer: D
Prevent air filtration, stop moisture infiltration, allow vapor exfiltration.
Dimple board membrane is used to:
Answer: C
Provide a drainage layer for foundation walls below grade.
The main purpose of installing coarse gravel under concrete slab is to
Answer: D
Mitigate the effects of capillary action.
What is the maximum size structure that can be built under part 9 of the building national building code?
Answer: A
3 storeys and 600 m² per floor.
An excavation for 12” Deep footing has been flooded by 6” of water for several days. What needs to be done in order to place concrete?
Answer: A
Pump out the water, excavate mud to undisturbed soil.
Shop drawings are prepared by the.
Answer: B
Suppliers for the Carpenters
What is the minimum distance a treatment unit (septic tank) may be located from the building?
Answer: B
3 m
