Misc

Question 1

Stairway should slope how many degrees?

Answer 1

34

Question 2

Do not insulate around…

Answer 2

Recessed can lighting

Question 3

Flow down

Answer 3

The GC must flow down the provisions in his contract with the owner to his subcontractors

Question 4

To lift a 50 ton load

Answer 4

Use 1 inch diameter chain or wire rope sling

Question 5

Minimum diameter bolt to connect wood beams

Answer 5

3/8 inch

Question 6

The first thing you see when you look down into a floor drain?

Answer 6

Standing water

Question 7

Minimum size of kitchen sink drain?

Answer 7

1 1/2 inch

Question 8

A three phase sub panel has…

Answer 8

Three legs

Question 9

A neutral wire should never be connected…

Answer 9

To a ground wire

Question 10

Minimum size breaker for an electric hot water heater?

Answer 10

Minimum of 125% larger than the circuit. 25 to 30 AMPs

Question 11

Rating of electrical wire used outside?

Answer 11

Underground service entrance (USE) or underground feeder (UF)

Question 12

Gas hot water heater needs?

Answer 12

Double wall vent pipe

Question 13

Grounds made of copper or steel last longer if…

Answer 13

They come in contact with the ground

Question 14

In protected areas, closets…

Answer 14

More than 24 ft.² require a sprinkler

Question 15

Define Ohm

Answer 15

A unit of electrical resistance

Question 16

What’s the most common type of gas pipe?

Answer 16

Black steel

Question 17

Clearance need it in front of electrical panel?

Answer 17

36”

Question 18

Optimal difference in temperature from inside to outside?

Answer 18

18°

Question 19

Minimum spacing for sewer drain line hangers is for…

Answer 19

Chlorinated polyvinyl chloride (CPVC)

Question 20

The vent pipe does not…

Answer 20

Hold liquid

Question 21

A plumbing cross connection exists when…

Answer 21

A non-potable water source is allowed to mix with a potable water source

Question 22

Distance from GFI receptacle to bathtub?

Answer 22

6 feet

Question 23

Wood rafters must bear…

Answer 23

One and a half inches on wood

Question 24

Silcock vacuum breaker prevents?

Answer 24

Backflow into pipe

Question 25

Slate or stone walkway?

Answer 25

On porous base

Question 26

Cranes on commercial construction projects within 3 miles of an airport must…

Answer 26

Submit a request for approval 45 days before the project begins

Question 27

Underground black steel pipe not used…

Answer 27

As a ground rod

Question 28

Sway bar is used for?

Answer 28

To restrain the movement of pipe resulting from thermal expansion

Question 29

What determines how a truss should be attached to a top plate?

Answer 29

Uplift force

Question 30

How far must equipment be stored from an intersection?

Answer 30

20 feet

Question 31

What’s the maximum spacing of fire extinguishers?

Answer 31

75 feet

Question 32

Temperature prior to applying adhesive?

Answer 32

65°

Question 33

Insulation value of housewrap?

Answer 33

Zero

Question 34

Silt fence prevents?

Answer 34

0% of runoff

Question 35

How often to replenish first aid kits?

Answer 35

Before each job and at least weekly

Question 36

Dampen parged wall…

Answer 36

To cure the parging

Question 37

What trade is most dependent on installation of metal studs?

Answer 37

Electrician

Question 38

What holds faced batts in place in a wall?

Answer 38

Friction

Question 39

The compressive strength of concrete should be at least 2000 PSI…

Answer 39

When using epoxy adhesive to install anchor bolts

Question 40

Minimum thickness of reinforced foundation wall?

Answer 40

7 1/2 inches

Question 41

Slope is…

Answer 41

Rise/Run