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55 Cards in this Set
- Front
- Back
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1) what is the maximum amount of time one should be exposed to a noise level of 85 decibels? A) 16 hour B) 8 hour C) 4 hour D) 1/2 hour |
B) 8 hours |
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2) Which of the following best describes carry-over?
A) water and solids being moved out of the boiler with water and steam B) the rapid formation and collapse of vapour pockets C) a method of destroying bacterial contamination in water D) a heating value per specific unit measured E) the formation of free carbon due to lack of oxygen in a fuel combustion process F) the coefficient of heat loss transmission through a single material of a thickness other than one inch |
A) water and solids being moved out of the boiler with water and steam |
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3) Under WHMIS, a worker will not be trained on how to respond to a spill or a leak A) true B) false |
B) false |
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4) low voltage electrocution is never as hazardous as higher voltage contact as it is always possible to break free from the connection
A) true B) false |
B) false |
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5) which of the following would best describe a class-C hazard under the WHMIS?
A) compressed gas or any liquid that boils at or below ordinary temperatures and is capable of exploding if heated B) combustible and flammable material that may burst into flames spontaneously in air C) oxidizing material that may cause a fire when it comes into contact with combustible materials such as wood D) corrosive material that causes severe tissue damage with prolonged exposure |
C) |
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Unit B tools equipment and materials
6) adjustable wrought band hangers have a vertical adjustment of up to _____ inches
A) 4 1/2 B) 3 3/4 C) 2 1/8 D) 1 1/2 |
C) |
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7) acid resistance in grey cast iron is ______ A) very high B) very low C) not achievable in cast iron pipe D) achieved when copper is added to the pipe |
A) very high |
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8) what are beam clamps manufactured from?
A) zinc B) cast iron C) forged steel |
C) forged steel |
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9) fibreglass pipe is used in which application or industry? A) electroplating B) pharmaceutical C) chemical D) pressure water installations |
A) electroplating |
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10) adjustable wrought clevis hangers
A) are used to support the weight of pipes extending vertically B) are recommended for the suspension of non insulated stationary pipe lines C) can accommodate insulation up to 4 inches thick D) have a recommended support load of 11,500 lbs |
B) are recommended for the suspension of non insulated stationary pipe lines |
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11) what is the pressure rating in psi for 2 inch kimax glass pipe? A) 125 B) 100 C) 75 D) 50 |
C) 75 |
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11) what is the pressure rating in psi for 2 inch kimax glass pipe? A) 125 B) 100 C) 75 D) 50 |
C) 75 |
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12) the operating handle for the bevel and spur gearing mechanism is _______ degrees to the usual position
A) 90 B) 80 C) 70 D) 60 |
A) 90 |
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11) what is the pressure rating in psi for 2 inch kimax glass pipe? A) 125 B) 100 C) 75 D) 50 |
C) 75 |
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12) the operating handle for the bevel and spur gearing mechanism is _______ degrees to the usual position
A) 90 B) 80 C) 70 D) 60 |
A) 90 |
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13) polyvinyl plastic piping must be what color? A) black B) brown C) blue D) grey |
D) grey |
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14) Copper pipe and copper alloy pipes have the same wall thickness A) true B) false |
B) false |
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15) extra strong grade pipe is used for applications involving pressure of _____ psig A) 200 B) 180 C) 150 D) 125 |
A) 200 |
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16) a ball valve sealing capabilities _______ as the internal pressure increases in the valve.
A) increase B) decrease C) stays the same |
A) increase |
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17) which of the following is a characteristic of a screwed union bonnet valve? A) is designed for valves that require frequent service B) is usually found on large valve that require request device C) clearance is required for the stem to rise D) they can be difficult to disassemble after being serviced |
A) |
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18) manufacturers of cross link polyethylene plastic pipe (PEX) claim that it is crack resistance to freezing in the lines A) true B) false |
A) true |
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19) DWV fittings can be used on pressure piping fittings A) true B) false |
B) false |
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20) copper added to steel for the purpose of improving corrosion resistance is referred to as: A) copper loaded steel B) copper bearing steel C) steel bearing copper D) copper laden steel |
B) copper bearing steel |
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20) copper added to steel for the purpose of improving corrosion resistance is referred to as: A) copper loaded steel B) copper bearing steel C) steel bearing copper D) copper laden steel |
B) copper bearing steel |
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Front (Term) |
C) |
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22) which of the following terms defines the accurately machined bore in a fitting into which the pipe fits? A) oxide sleeve B) oxide of a metal C) solidus D) cup e E) liquidus F) bore sleeve E) eutectic composition sleeve |
D) cup e |
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23) the addition of silicon to grey cast makes the iron much harder but more _______ A) flexible B) expandable C) brittle D) malleable |
C) brittle |
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24) a solid wedge disc gate valve
A) is positioned between the tapered seats to and from a seal B) is hollow around the edges and solid across the centre portion C) the disc and seat are parallel to each other and are not tapered D) consists of two pieces that sit between two matching tapered seats in the body |
A) |
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24) a solid wedge disc gate valve
A) is positioned between the tapered seats to and from a seal B) is hollow around the edges and solid across the centre portion C) the disc and seat are parallel to each other and are not tapered D) consists of two pieces that sit between two matching tapered seats in the body |
A) |
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25) a flexible wedge gate valve A) is positioned between the tapered seats to and from a seal B) is hollow around the edges and solid across the centre portion C) the disc and seat are parallel to each other and not tapered D) consists of two pieces that sit between two matching tapered seats in the body |
B) |
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26) what does the abbreviation "SP" stand for when found on a pipe?
A) steam pumped B) steam pressure C) soft port D) safe pack |
B) |
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26) what does the abbreviation "SP" stand for when found on a pipe?
A) steam pumped B) steam pressure C) soft port D) safe pack |
B) |
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27) which of the following valves makes the fluid make nearly four 90 degree turns A) gate B) globe C) plug D) ball |
B) globe |
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26) what does the abbreviation "SP" stand for when found on a pipe?
A) steam pumped B) steam pressure C) soft port D) safe pack |
B) |
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27) which of the following valves makes the fluid make nearly four 90 degree turns A) gate B) globe C) plug D) ball |
B) globe |
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What if the following best describes solder? A) a joining method using an alloy B) designed to join tube by means of pressure or friction C) a metal or metallic alloy that is melted then used to join metallic surfaces D) to heat then cool, making copper more flexible E) a product used for lines buried underground F) to spread the end of tubing G) a product recommended for exposed lines |
A) |
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26) what does the abbreviation "SP" stand for when found on a pipe?
A) steam pumped B) steam pressure C) soft port D) safe pack |
B) |
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27) which of the following valves makes the fluid make nearly four 90 degree turns A) gate B) globe C) plug D) ball |
B) globe |
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28) What if the following best describes solder? A) a joining method using an alloy B) designed to join tube by means of pressure or friction C) a metal or metallic alloy that is melted then used to join metallic surfaces D) to heat then cool, making copper more flexible E) a product used for lines buried underground F) to spread the end of tubing G) a product recommended for exposed lines |
C) |
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Unit C - heating
29) when activated, the low water cut off on an automatically fired hot water heating boiler will cut off the: A) water supply to the boiler B) fuel supply to the boiler C) supply of water leaving the boiler D) cold water leaving the boiler |
B) |
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26) what does the abbreviation "SP" stand for when found on a pipe?
A) steam pumped B) steam pressure C) soft port D) safe pack |
B) |
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27) which of the following valves makes the fluid make nearly four 90 degree turns A) gate B) globe C) plug D) ball |
B) globe |
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28) What if the following best describes solder? A) a joining method using an alloy B) designed to join tube by means of pressure or friction C) a metal or metallic alloy that is melted then used to join metallic surfaces D) to heat then cool, making copper more flexible E) a product used for lines buried underground F) to spread the end of tubing G) a product recommended for exposed lines |
C) |
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Unit C - heating
29) when activated, the low water cut off on an automatically fired hot water heating boiler will cut off the: A) water supply to the boiler B) fuel supply to the boiler C) supply of water leaving the boiler D) cold water leaving the boiler |
B) |
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30) the term journeyman came from the fact that:
A) technical learning was a journey in life experiences B) craftsmen travelled from place to place wherever they were needed C) the trades have journeyed a long ways since the Middle Ages D) an apprentice is a journey of technical and on the job experiences |
D) |
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30) the term journeyman came from the fact that:
A) technical learning was a journey in life experiences B) craftsmen travelled from place to place wherever they were needed C) the trades have journeyed a long ways since the Middle Ages D) an apprentice is a journey of technical and on the job experiences |
B) |
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31) heat is transferred through a gas by A) convection B) radiation C) conduction D) convection |
D) |
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32) in a cast iron sectional boiler, heating takes place by the hot combustion products:
A) circulating between the sections and transferring the heat B) flowing over the tubes heating the water in the tubes C) heating the water directly D) flowing through the tubes thus heating the water |
A) |
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33) the forced hot water system that allows for individual control of the heat transfer units is the _______ system.
A) series loop B) direct return C) split series loop D) one-pipe |
D) |
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34) in this system of piping all circuits for the heating or cooling medium are approximately the same lengths. This system is called the ________ system
A) downfeed B) closed loop C) reverse return D) direct return |
D) direct return |
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34) in this system of piping all circuits for the heating or cooling medium are approximately the same lengths. This system is called the ________ system
A) downfeed B) closed loop C) reverse return D) direct return |
C) reverse return |
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35) The air temp that causes condensation of water vapour is referred to as:
A) a British Thermal Unit B) calorific value C) a kilowatt D) dew point temperature |
D) dew point temp |
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36) the water to and from each heat distribution unit in the __________ hot water system must be equal distance.
A) one-pipe B) series loop C) reverse return D) mono-flow |
C) reverse return |
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37) the discharge pipe from a safety relief valve must be mounted not less than ______ above the floor.
A) 12 inches B) 24 inches C) one pipe diameter |
C) one pipe diameter |
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38) an equivalent direct radiation (EDR) is equal to _________ BTU/hr for water at a temperature of 160 degrees Fahrenheit
A) 150 B) 200 C) 220 D) 240 |
A) 150 |
