PRACTICE EXAM 2025/2026 BANK
COMPLETE QUESTIONS MERGED WITH
CORRECT COMPLETE SOLUTIONS ||
ALREADY GRADED A+
Which of the following pump designs has a spiral casing with an
increasing cross sectional area?
1. rotary pump
2. rotary gear pump
3. rotary lobe pump
4. reciprocating pump
5. volute pump - ANSWER-5. volute pump
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 vapor 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