Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Plumbing Level 2 > Class exams > Flashcards

Class exams Flashcards

You may prefer our related Brainscape-certified flashcards:
Certified Sommelier Exam (CMS 2) flashcards
1
Q

What is the context means that a person w/ disabilities can approach, enter, pass to and from and make use of an area and its facilities w/o assistance?

A
  • barrier - free
  • accessible
  • universal designed
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a service sink?

A

mop sink

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which shower valve sense the proportion of cold / hot water as the users turns the handle?

A

Pressure balance valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

If a wall stud is load-barring, what is the max amount of stud that can be removed?

A

1/3 of the depth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What style urinals are costly to replace?

A

stall urinals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the min distance from a back wall for a water closet rough-in?

A

12” from finished wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Building code requirements generally state that holes cannot be closer than ___ from the edges?

A

2”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is a supply risers?

A
  • fixture supply tubes
  • supply connectors
  • supply lines
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

When installing a counter top basin and you are not provided a template, what should you do in what order?

A

turn basin upside down, drawn a line around its perimeter, draw a second line about 1/2” smaller and cut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What kind of seat is required in a public washroom?

A

elongated open front

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the purpose of an outlet fitting?

A

to prevent dirt / debris from collecting at the rim

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are electric water heater thermostat pre-set at?

A

60

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which faucet is being used by the up and down mvmt?

A

Cartridge faucet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the max air gap on a hot water tank?

A

12”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is “FOG” stand for?

A

Fat, oil and grease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What does the connection of a dishwasher wye need to be?

A

upstream of the p-trap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Code’s require that every fixture have a hard what?

A

corrosion resistant surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Why are valve body usually made of brass?

A

resistant to the corrosive effects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the min height for a laundry stand pipe?

A

24”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

How many L / min, the code limit a lavatory faucet to permissible flow rate

A

8.31

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Sensor - controlled faucet also known as:

A
  • hands free
  • automatic
  • touchless
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What kind of drawing provide the arrangement of a fixture?

A

architectural

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Who regulates fixture by Nationally developed standards?

A

CSA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

By code at 3 compartment sink requires?

A

2” p-trap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

In a vitrified porcelain, what is the fine clay also to make fine porcelain dishes call?

A

Koalin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

On a hot water tank, what is the min length for the copper tubing risers?

A

18”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What kind of water closet is not a common residential fixture?

A

Blowout

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Who is responsible for the backing for each fixture?

A

plumber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What type of water closet is most often chosen in an institutional building?

A

elongated / direct flush

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Lavatories are also know as?

A

basin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

What is the normal placement for the water connection on a water closet rough-in?

A

6” to the left of the centerline

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

How many degrees angle is needed to prevent contamination from user’s on a bubbler

A

45

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

A ___ can be used immediately after a pipe penetrate through a finished wall

A

escutcheon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

What is the max permitted flow rate of a shower head?

A

9.5 Lpm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Which of the BC code deals w/ people w/ disabilities such as washrooms?

A

division B section 3.7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Volt meters are connected in ____ when testing AC?

A

parallel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

The air to natural gas ratio is:

A

10 : 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Heating gas fireplace, also known as vented gas fireplace heaters, will have what min efficiency rating?

A

50%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

The appliance that preheats ventilation supply air w/ the exhaust air is known as?

A

heat recovery ventilator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Aldehydes are:

A
  • toxic and poisonous
  • stinky and irritating
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Gas fired refrigerators operate different than typical electric compression refrigeration units. What component does the gas fired refrigerator not require?

A

compressor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

What category has a positive vent static pressure / flue loss not less than 17%?

A

III

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

What is down draft?

A

a condition in which a draft is forced downward / can cause a flue gas spillage.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Who regulates what certification symbols that must appear on the rating plate of a gas appliance sold in Canada?

A

Standards Council of Canada

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

For every pound of water condensed from the flue gas, the heat exchanger for a condensing appliance, gains approximately how many BTUs of energy?

A

970
1 BTU = 970 BTU/hr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

A gauge pressure of 400 kPa would equal what absolute pressure?

A

501.3 kPa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

To measure AC current what type of meter is used?

A

clamp on ammeter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Which of the following is required when installing a gas range?

A
  • clearance to combustibles
  • anti-tipping
  • restraining device for commercial appliance on wheels
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Combustion requires what 3 ingredients in correct proportions?

A
  • heat, fuel, oxygen
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

The benefit to a thermal well allows for:

A

Easy replacement of thermometer w/o draining the vessel or piping

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Another name for a combustion air pot is?

A

thermo trap

52
Q

When testing for continuity, what must be ensured?

A

that the circuit is de-energized

53
Q

Two primary categories of burners are mechanical / non mechanical the difference is how?

A

Combustion air is supplied

54
Q

What is the name for the pressure reading where, the instrument registers the difference in pressure bn 2 contained working fluids?

A

differential pressure

55
Q

Section of the code book referring to field approval is?

A

CSA B149.3

56
Q

Which of the following are common components of the main burner control circuit?

A
  • thermostat
  • high limit
  • main gas valve
57
Q

Installation of air supply openings / ducts is in section ____ of ____

A

8, 149.1

58
Q

The freezing and boiling point of water are:

A

32 F and 212 F
freezing: 0 C —> 32 F
boiling: 100 C —> 212 F

59
Q

The recovery rate of hot water tank that is 40 US gallons, with a recovery rate @ 90 F of 45 GPH = how many BTU/h?

A

33.737
GPH x 8.33 Lb/GPH x 90 T= btu/h

60
Q

To achieve complete combustion we supply more:

A

air –> excess: ensures complete combustion

61
Q

An example of an indoor non vented gas appliance would be?

A

Stove

62
Q

Combustion air is ___ air:

A

primary and secondary

63
Q

Single stage, two stage and multi stage are examples of?

A

Furnace

64
Q

What is the ignition temperature of natural gas?

A

700 C

65
Q

What can be used to overcome venting problems such as extra long vents, excessive negative pressure or improper venting design?

A

Power venter

66
Q

Condensing boilers heat exchanger surface are constructed of?

A

stainless steel or aluminum

67
Q

What expression is used to indicate a water heaters output?

A

recovery rate

68
Q

High intensity infrared heaters are:

A

non vented

69
Q

What type of sensing element do dial stem thermometers use?

A

bimetallic element

70
Q

High efficiency appliances require how much dilution air?

A

no dilution air

71
Q

What term describes the process of air entering a building?

A

infiltration

72
Q

What section of the code book refers to pressure controls?

A

5

73
Q

A volume of natural gas is created 2,000,000 BTU/h of heat, the volume of carbon dioxide produced would be?

A

2000 Cubic feet

74
Q

If the smell of gas is faint but your readings are high, what could be the source?

A

An outside below ground leak

75
Q

What type of sensor does not have to be placed into the gas to detect it / can be used for remote sensing up to 30 m?

A

infrared

76
Q

True or False: All heating equipment must have a dedicated branch circuit

A

True

77
Q

The scale that shares degrees w/ Fahrenheit scale is?

A

Rankin

78
Q

A “cast iron radiator” is an example of?

A

conduction

79
Q

How many BTU are there in 1 kW of heat?

A

3412

80
Q

The quantity of heat required to raise or lower the temperature of one pound of water by one degree Fahrenheit is a description of what?

A

BTU

81
Q

Why are residential one pipe gravity return systems designed for a maximum of a 1/2 psi pressure drop across the system?

A

To maintain low steam velocities in the system

82
Q

What is the name of the type of system were steam / condensate travel in opposite directions in the steam main piping?

A

counterflow

83
Q

What will occur if the automatic water feeder cannot keep up with the rate of steam evaporation from the boiler?

A

The low water cut-off will shut off the fuel source

84
Q

What is the maximum steam pressure that a house steam heating system should operate at?

A

2 psi

85
Q

As of January 1, 2010, Canadian federal efficiency guidelines have determined that all new installations of residential furnaces must have a min AFUE of?

A

90%

86
Q

Mid-efficient furnaces are known as:

A

category 1

87
Q

What is the most common reason that forced-air heating system are installed versus electric baseboard or hydronic?

A

They are least costly to install

88
Q

What type of forced air furnace would be used in a rancher-style house where the furnace sits on the main floor / the warm air ductwork is below the floor in the crawl space?

A

down flow

89
Q

Which one of the following gains its heat by extracting it from the ground or outside air and transferring it to a refrigerant coil

A

heat pump

90
Q

In a typical indoor environment, approximately how much of a person’s body heat is released by thermal radiation to colder surfaces?

A

48%

91
Q

What would be a main advantage of hydronic heating vs forced air heating?

A

energy savings in operation

92
Q

What is the best definition os “comfort”

A

it is the absence of discomfort

93
Q

What is an area of control known as?

A

a zone

94
Q

Why is water a good medium for transporting thermal energy?

A

it has a high heat storage ability

95
Q

Hot water boilers normally operate at average temperatures of:

A

82 C

96
Q

The American Society of Mechanical Engineers regulations require that steam for heating does not exceed?

A

105 kPa

97
Q

What are fire-tube boilers well suited for?

A

hot water heating or steam heating

98
Q

Which boiler must have a water return temp of below 60 C?

A

condensing boiler

99
Q

Which pump does not use latent heat from below the surface of the earth?

A

air - to -water

100
Q

Section 7 of the natural gas and propane installation code specifies min clearances from combustibles for boilers. What are the min clearances from the rear of the boiler?

A

45 cm (18”)

101
Q

Which is the best unit described by the statement “push air downwards and are near the ceiling?”

A

Vertical unit heaters

102
Q

Which one of the following heat transfers units produces significant amounts of radiant heat?

A

free-standing cast iron radiator

103
Q

How is the heat output of finned tubed baseboard controlled?

A

by adjusting the damper

104
Q

What length of fin would be required for a room w/ a heat loss of 11000 BTU/h if the fin had an output rating of 550 BTU/ft/hr?

A

20’

105
Q

What is the most common type of tubing used today in radiant floor installations?

A

polyethylene cross-link

106
Q

Air vents must be placed where?

A

high points / accessible

107
Q

One foot of head is equal to ?

A

.433psi

108
Q

What is the most commonly used temperature drop in the heating industry?

A

11 C

109
Q

The formula to calculate USGPM when the BTU/H heat requirement is known is:

A

T x 60 x 8.33

110
Q

Where is the ideal location for a pump?

A

immediately downstream of the point of no pressure change

111
Q

How many components does a water make-up has?

A

4

112
Q

Every pressure relief valve has an information plate that identifies:

A

the relief pressure setting, the relief capacity, the size of valve

113
Q

What is the purpose of a zone valve?

A

to provide control of heat emission

114
Q

What are the two primary considerations when locating air elimination devices?

A

temp and pressure

115
Q

What device removes gases directly from the boiler?

A

boiler scoop

116
Q

What part of a circulator transfer energy to the water?

A

impeller

117
Q

What is the purpose of a flow control valve?

A

to prevent convection currents in a heating system

118
Q

The back-flow preventer, feed-water valve, isolation valves / bypass all combine to form what part of the hydronic system?

A

make-up water line

119
Q

What is another name for Monoflow system?

A

diversion tee

120
Q

What is the name of the piping system in which the heating transfer units are part of the piping?

A

series loop

121
Q

What is the name of the piping system in which the heating transfer units are supplied by speciality tees?

A

one pipe

122
Q

What is a major disadvantage of the series loop piping sytem?

A

limited heating capacity for each circuit

123
Q

What is a major disadvantage of a one-pipe system?

A

unsuitable for more than 2 heat transfer units

124
Q

What is the major disadvantage of a two-pipe direct return piping system?

A

hard to balance flow to each heat transfer unit

125
Q

Which one of the following factors is not a consideration when selecting zones?

A

system layout

Plumbing Level 2 (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions