Foundations Study Package Three

Question 1

A cutting plane is used to identify a:

Answer 1

Section view

Question 2

Question 2: Easy math question

Question 3

What is the formula for calculating the capacity, In Imp Gal, of a rectangular tank?

Answer 3

L x W x Ht x 6.24

Question 4

What is the length relationship between the run and travel in a 45 degree right angle triangular?

Answer 4

The travel is 1.414 times longer than the run

Question 5

What is the area of a circle with a radius of 1.585m?

Answer 5

7.89m²

Question 6

How many inches of water will exert a pressure of ¼ psi?

Answer 6

6.93”

Question 7

Where would you find the type of plumbing fixtures to be installed?

Answer 7

Specifications

Question 8

Air is made up of:

Answer 8

Nitrogen, oxygen + other gas

Question 9

Mercury is how many times more dense than water?

Answer 9

13.6

Question 10

Convert 17 psig to an absolute pressure

Answer 10

31.73 psia

Question 11

Which valve cannot be determined, at a glance, to be in the open or closed position?

Answer 11

Globe valve

Question 12

(blank) means the top edge at which water can overflow from a fixture or device/

Answer 12

Flood level rim

Question 13

What is the name of the gas, present in sewage piping, that is responsible for “rotten egg” odours?

Answer 13

Hydrogen sulphide

Question 14

Trap size is determined by?

Answer 14

The size of the fixture outlet pipe

Question 15

No water closet may be installed in a room that is not:

Answer 15

Properly lighted and ventilated

Question 16

In order to mark a round pipe in preparation for cutting it with a torch, you would use a:

Answer 16

wraparound

Question 17

Pipe sizes up to and including 12” are designated by:

Answer 17

approximate ID

Question 18

Which of the following is NOT the result of failure to properly ream an iron pipe before threading it?

Answer 18

expansion

Question 19

Plastic piping materials that soften with the application of heat are known as:

Answer 19

thermoplastics

Question 20

What is the colour of the inking on type “L” copper?

Answer 20

blue

Question 21

What type of acid is particularly harmful to glass piping?

Answer 21

hydrofluoric

Question 22

The term in piping, used to designate the centre - face measurement of a fitting, is known as:

Answer 22

Throw

Question 23

Brass is an alloy of copper and:

Answer 23

zinc

Question 24

How are glass piping and fittings joined together>

Answer 24

mechanical couplings

Question 25

A kitchen sink fixture drain requires a cleanout if it changes direction by more than:

Answer 25

90 degrees

Question 26

A string hanging over the trap weir can cause loss of trap seal due to:

Answer 26

capillary attraction

Question 27

A trap c/o may be used for:

Answer 27

cleaning the trap only

Question 28

What height of water would exert a pressure at its base of 50 psi?

Answer 28

115.50 ft

Question 29

If a shower user gets scalded after a toilet flushes, it is likely due to:

Answer 29

undersized water piping in the building

Question 30

How tight should the nuts be on the U-bolts that attach a clip to a wire rope?

Answer 30

to manufacturer’s specs, then retorque after an hr’s use

Question 31

What are softeners for rigging?

Answer 31

Pads applied to sharp corners of a load

Question 32

What are the requirements for the quality of scaffold planking?

Answer 32

1 Grade 2” x 10” planks w/ the structural strength of spruce or better

Question 33

What are 3 basic hitch configurations are used for almost all hoisting applications

Answer 33

Basket hitch, vertical hitch and choker hitch

Question 34

An alloy that has no pasty range is known as:

Answer 34

having a eutectic composition

Question 35

How is a Flemish eye for a wire rope sling prevented from coming apart?

Answer 35

a mechanically compressed metal sleeve is placed over the eye splice

Question 36

“S”-trapping can cause loss of trap seal due to:

Answer 36

self-siphonage

Question 37

How is hard temper copper turned into soft temper

Answer 37

annealing