Quiz_________________?
__________ heat is the amount of heat required to raise the temperature of a unit mass of
a substance 1 degree Celsius without changing the state of the substance. -
Answer✅
Specific
Quiz_________________?
___________ are the building blocks of all matter. -
Answer✅
atoms
Quiz_________________?
____________ are required to prevent oil from spreading beyond the confines of a heater
in the event of a ruptured tube. -
Answer✅
Dikes
Quiz_________________?
A complete electrical circuit must be ______________________. -
Answer✅
1
, continuous
Quiz_________________?
A disadvantage of using threads to join pipes and fittings is?: -
Answer✅
the effective wall thickness is reduced
Quiz_________________?
A draft gauge on a furnace indicates the draft in: -
Answer✅
mm of water column
Quiz_________________?
A flushometer (flush valve) is: -
Answer✅
a metering device.
Quiz_________________?
A fuel storage tank must be located a minimum of ____ away from the furnace -
Answer✅
2 feet
Quiz_________________?
2
, A Ground Fault Circuit Interrupter (GFI) works on comparing __________ on different
sides of the circuit. -
Answer✅
Current
Quiz_________________?
A high limit control switch
a) is necessary on all boilers
b) activates after the safety valve opens
c) is a normally open switch
d) usually does not require manual resetting
e) must be used when a boiler is not under continuous supervision -
Answer✅
E
Quiz_________________?
A hot water circulation system which is difficult to balance due to the length of pipe being
different for each convector, is the ________ system -
Answer✅
Two pipe direct return
Quiz_________________?
A hot water circulation system which is self-balancing as a result of having all the circuits the
same length is the _________. -
Answer✅
3
, two-pipe reverse return
Quiz_________________?
A manufacturers welding method must ___________________. -
Answer✅
be qualified under the applicable code
Quiz_________________?
A method of backflow prevention which makes use of a separation between the free flowing
discharge of a potable water pipe and an open or non-pressure receiving vessel is called
__________ backflow prevention method. -
Answer✅
air gap
Quiz_________________?
A more modern method of ridding a boiler of dissolved solids is: -
Answer✅
continuous blowdown
Quiz_________________?
A motor that has an extra winding in the stator to give added torque is called a: -
Answer✅
Split-phase motor
4
__________ heat is the amount of heat required to raise the temperature of a unit mass of
a substance 1 degree Celsius without changing the state of the substance. -
Answer✅
Specific
Quiz_________________?
___________ are the building blocks of all matter. -
Answer✅
atoms
Quiz_________________?
____________ are required to prevent oil from spreading beyond the confines of a heater
in the event of a ruptured tube. -
Answer✅
Dikes
Quiz_________________?
A complete electrical circuit must be ______________________. -
Answer✅
1
, continuous
Quiz_________________?
A disadvantage of using threads to join pipes and fittings is?: -
Answer✅
the effective wall thickness is reduced
Quiz_________________?
A draft gauge on a furnace indicates the draft in: -
Answer✅
mm of water column
Quiz_________________?
A flushometer (flush valve) is: -
Answer✅
a metering device.
Quiz_________________?
A fuel storage tank must be located a minimum of ____ away from the furnace -
Answer✅
2 feet
Quiz_________________?
2
, A Ground Fault Circuit Interrupter (GFI) works on comparing __________ on different
sides of the circuit. -
Answer✅
Current
Quiz_________________?
A high limit control switch
a) is necessary on all boilers
b) activates after the safety valve opens
c) is a normally open switch
d) usually does not require manual resetting
e) must be used when a boiler is not under continuous supervision -
Answer✅
E
Quiz_________________?
A hot water circulation system which is difficult to balance due to the length of pipe being
different for each convector, is the ________ system -
Answer✅
Two pipe direct return
Quiz_________________?
A hot water circulation system which is self-balancing as a result of having all the circuits the
same length is the _________. -
Answer✅
3
, two-pipe reverse return
Quiz_________________?
A manufacturers welding method must ___________________. -
Answer✅
be qualified under the applicable code
Quiz_________________?
A method of backflow prevention which makes use of a separation between the free flowing
discharge of a potable water pipe and an open or non-pressure receiving vessel is called
__________ backflow prevention method. -
Answer✅
air gap
Quiz_________________?
A more modern method of ridding a boiler of dissolved solids is: -
Answer✅
continuous blowdown
Quiz_________________?
A motor that has an extra winding in the stator to give added torque is called a: -
Answer✅
Split-phase motor
4
