ABSA 4B EXAM PREP QUESTIONS AND
ANSWERS COMPLETE SOLUTION VIEW
AHEAD
●● A clear line of sight to the flame is required by a(n):
1. Flame scanner
2. Thermopile
3. Flame rod
4. Thermocouple
5. All of the above
Answer: 1. Flame scanner
●● A ____ is installed to start a large diesel engine.
1. electric starting motor
2. induced oil pump
3. forced oil pump
4. jacking oil pump
5. compressed air starting motor
Answer: 5. compressed air starting motor
●● The ____ is installed in an absorption system to increase the
absorption limit of the lithium bromide solution.
,1. absorber
2. condenser
3. generator pump
4. evaporator
5. generator (concentrator)
Answer: 5. generator (concentrator)
●● Steam heating boilers with minimal makeup water needs, require the
boiler gauge glass to be tested ____.
1. quarterly
2. every shift
3. daily
4. annually
5. weekly
Answer: 5. weekly
●● To prime a pump you would:
1. verify that the suction valve is closed
2. fill the pump casing with the product to be pumped to vent the
entrapped air out of the pump casing prior to start up
3. verify that the breaker is open
4. vent the entrapped liquid out of the pump casing to fill it with air.
5. verify that the discharge valve is open
,Answer: 2. fill the pump casing with the product to be pumped to vent
the entrapped air out of the pump casing prior to start up
●● Air receivers are required ____.
1. to have a safety valve installed
2. to have a sentinel valve installed
3. to have a surge valve installed
4. to have a rupture disc installed
5. to have a dewpoint analyzer installed
Answer: 1. to have a safety valve installed
●● The machinist's hammer is also referred to as a ____.
1. thread hammer
2. precision hammer
3. flute hammer
4. ball peen hammer
5. micrometer
Answer: 4. ball peen hammer
●● A ____ is a device installed on a pump to protect bearings from
stuffing box water leakage.
1. sorbent
2. shaft sleeve
, 3. slinger
4. coupling
5. lantern ring
Answer: 3. slinger
●● ____ in pumps is when the pressure in the suction line to the pump
drops below the vapour pressure of the liquid.
1. Purging
2. Priming
3. Surging
4. Hammering
5. Cavitation
Answer: 5. Cavitation
●● Plant fire suppression systems have ____ installed.
1. fire pumps
2. circulating water pumps
3. circulating oil pumps
4. chemical feed pumps
Answer: 1. fire pumps
●● Maintaining minimal usage of make-up water is the most effective
way to keep ____ within the boiler.
ANSWERS COMPLETE SOLUTION VIEW
AHEAD
●● A clear line of sight to the flame is required by a(n):
1. Flame scanner
2. Thermopile
3. Flame rod
4. Thermocouple
5. All of the above
Answer: 1. Flame scanner
●● A ____ is installed to start a large diesel engine.
1. electric starting motor
2. induced oil pump
3. forced oil pump
4. jacking oil pump
5. compressed air starting motor
Answer: 5. compressed air starting motor
●● The ____ is installed in an absorption system to increase the
absorption limit of the lithium bromide solution.
,1. absorber
2. condenser
3. generator pump
4. evaporator
5. generator (concentrator)
Answer: 5. generator (concentrator)
●● Steam heating boilers with minimal makeup water needs, require the
boiler gauge glass to be tested ____.
1. quarterly
2. every shift
3. daily
4. annually
5. weekly
Answer: 5. weekly
●● To prime a pump you would:
1. verify that the suction valve is closed
2. fill the pump casing with the product to be pumped to vent the
entrapped air out of the pump casing prior to start up
3. verify that the breaker is open
4. vent the entrapped liquid out of the pump casing to fill it with air.
5. verify that the discharge valve is open
,Answer: 2. fill the pump casing with the product to be pumped to vent
the entrapped air out of the pump casing prior to start up
●● Air receivers are required ____.
1. to have a safety valve installed
2. to have a sentinel valve installed
3. to have a surge valve installed
4. to have a rupture disc installed
5. to have a dewpoint analyzer installed
Answer: 1. to have a safety valve installed
●● The machinist's hammer is also referred to as a ____.
1. thread hammer
2. precision hammer
3. flute hammer
4. ball peen hammer
5. micrometer
Answer: 4. ball peen hammer
●● A ____ is a device installed on a pump to protect bearings from
stuffing box water leakage.
1. sorbent
2. shaft sleeve
, 3. slinger
4. coupling
5. lantern ring
Answer: 3. slinger
●● ____ in pumps is when the pressure in the suction line to the pump
drops below the vapour pressure of the liquid.
1. Purging
2. Priming
3. Surging
4. Hammering
5. Cavitation
Answer: 5. Cavitation
●● Plant fire suppression systems have ____ installed.
1. fire pumps
2. circulating water pumps
3. circulating oil pumps
4. chemical feed pumps
Answer: 1. fire pumps
●● Maintaining minimal usage of make-up water is the most effective
way to keep ____ within the boiler.
