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Power engineer class 4 part B Exam 2026 Actual
Complete Real Verified Exam Questions And Verified
Answers | 100% Correct Answers Graded A+
Guaranteed Success!! | Newest Exam!!!
A simple gas turbine is one without reheaters or:
Choose one answer.
a. Starting motors
b. Shafts
c. Compressors
d. Combustors
e. Regenerators - Answer-e
Large internal combustion engines are cooled with:
Choose one answer.
a. Water jackets
b. Evaporation
c. Air cooling
d. Condensers
e. Refrigeration - Answer-a
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Using a compressed air starting motor is a popular method
of starting:
Choose one answer.
a. A large stationary diesel engine
b. A small two-stroke engine
c. A gasoline engine
d. An aircraft engine
e. A propane engine - Answer-a
When a reciprocating pump delivers fluid every second
stroke of its piston, it is called a ___________ pump:
Choose one answer.
a. Positive displacement
b. Single acting
c. Two-stage
d. Double acting
e. Duplex - Answer-b
Rotary pumps:
1. are high pressure pumps
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2. must be primed
3. use mechanical seals
4. are positive displacement pumps
a) 1, 2
b) 2, 3
c) 1, 4
d) 1, 3, 4
e) 1, 2, 3, 4 - Answer-c
Impulse turbines:
Choose one answer.
a. are only used with low pressure steam
b. require large thrust bearings
c. were invented by Parsons
d. have large pressure drops across the huckets
e. have blades with the same steam inlet and outlet angles
- Answer-e
The stationary passages of a reaction turbine are called
the:
Choose one answer.
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a. Shaft
b. Rotor
c. Shroud ring
d. Fixed blades
e. Diaphragms - Answer-d
The great majority of steam turbine governing systems
utilize the
a) hydraulic system principle
b) pneumatic system principle
c) mechanical centrifugal principle
d) lever principle
e) bimetal expansion principle - Answer-c
Biological fouling in recirculating cooling water towers is
caused by algae, _____ and bacteria growth.
Choose one answer.
a. Flora
b. Fauna
c. Micro-organisms
d. Biological
Power engineer class 4 part B Exam 2026 Actual
Complete Real Verified Exam Questions And Verified
Answers | 100% Correct Answers Graded A+
Guaranteed Success!! | Newest Exam!!!
A simple gas turbine is one without reheaters or:
Choose one answer.
a. Starting motors
b. Shafts
c. Compressors
d. Combustors
e. Regenerators - Answer-e
Large internal combustion engines are cooled with:
Choose one answer.
a. Water jackets
b. Evaporation
c. Air cooling
d. Condensers
e. Refrigeration - Answer-a
,2|Page
Using a compressed air starting motor is a popular method
of starting:
Choose one answer.
a. A large stationary diesel engine
b. A small two-stroke engine
c. A gasoline engine
d. An aircraft engine
e. A propane engine - Answer-a
When a reciprocating pump delivers fluid every second
stroke of its piston, it is called a ___________ pump:
Choose one answer.
a. Positive displacement
b. Single acting
c. Two-stage
d. Double acting
e. Duplex - Answer-b
Rotary pumps:
1. are high pressure pumps
,3|Page
2. must be primed
3. use mechanical seals
4. are positive displacement pumps
a) 1, 2
b) 2, 3
c) 1, 4
d) 1, 3, 4
e) 1, 2, 3, 4 - Answer-c
Impulse turbines:
Choose one answer.
a. are only used with low pressure steam
b. require large thrust bearings
c. were invented by Parsons
d. have large pressure drops across the huckets
e. have blades with the same steam inlet and outlet angles
- Answer-e
The stationary passages of a reaction turbine are called
the:
Choose one answer.
, 4|Page
a. Shaft
b. Rotor
c. Shroud ring
d. Fixed blades
e. Diaphragms - Answer-d
The great majority of steam turbine governing systems
utilize the
a) hydraulic system principle
b) pneumatic system principle
c) mechanical centrifugal principle
d) lever principle
e) bimetal expansion principle - Answer-c
Biological fouling in recirculating cooling water towers is
caused by algae, _____ and bacteria growth.
Choose one answer.
a. Flora
b. Fauna
c. Micro-organisms
d. Biological
