Weak spots Flashcards
What knot creates a non-slip loop in the end of the rope?
Bowline
How far beyond the face of the chimney wall must a chimney cap project? 1/1 POINT
9.21.4.6. 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 dip not less than 25 mm from
the chimney wall.
On a builders level with four thumb leveling screws, which direction would you turn the thumbscrews to move the bubble in the vial to the left?
turn the screws outward
Ladders are required to extend how far above the working platform or landings?
0.9m
Any worker in danger of falling m must wear fall protection
3.0
What is the chemical process through which cement hardens when water is added to mixed concrete?
Hydration
- What is the minimum distance a treatment unit (septic tank) may be located from the building?
1.5m
The B.M. is 106.42’, the H.I. is 111.89’ and the F.S. is 3.89’. What is the new elevation?
108.00’
An excavation for a 12” deep footing has been flooded by 6” of water for several days. What
needs to be done in order to place concrete?
Pump out the water, excavate mud to undisturbed soil
To prevent excessive checking, scaffold planks should:
Have their ends banded with steel
When applying laminate to a counter top
Apply the side edges first
Which of the following knots is best for safely shortening a rope?
sheepshank
The main floor of a house has 13 interior doors and 2 exterior doors. Allowing 7' for side casings and 3' for head casings, how many linear feet of material would you need to trim these doors? 0/1 POINT A 221' B 255' C 476' D 510'
476’
How many cubic yards of concrete is needed to build a silo with the following specifications? Inner radius= 72'7" Outer radius= 74'3" Height = 125'
3,559.348765 yd³
A building is 35 yards tall, how many feet tall is it?
105’
A footing form will require 6.5 cubic yards of concrete. How many cubic feet is this?
175.5 ft3
An excavation for a 12” deep footing has been flooded by 6” of water for several days. What needs to be done in order to place concrete?
Pump out the water, excavate mud to undisturbed soil
Cove moulding can be shaped on a table saw by feeding the stock:
At approximately 45° to the blade
What is the minimum clearance required above a fireplace for a projecting 50 mm X 250 mm X 1,500 mm oak mantel shelf?
9.22.9.1
300mm
What are the three parts of a knot?
Standing part, bright, and running end.
At what height does a system scaffold need to have an engineered drawing?
15 m
A scaffold shall be designed by a professional engineer and shall be erected in accordance with the design if the scaffold exceeds,
(a) fifteen meters in height above its base support; or
(b) ten meters in height above its base support if the scaffold is
constructed of a tube and clamp system. O.Reg. 213/91, s. 130 1
What is the maximum size of structure that can be built under part 9 of the building code?
3 storey and 600 m² per floor.
A building is 35 yards tall, how many feet tall is it?
35 yd. X 3 ft./yd = 105’
- Referring to “Wall Section A”, what is the distance from finished grade to the top of the concrete slab?
2”
9.15.4.6.(1)
not less than 150mm above finished ground level