Question 1. ………… is a energy saving method of any boiler.
A. Damper control of fans
B. Duct by pass
C. Speed control of fans
D. None of the above
Ans. C
Question 2. Excessive blow down …………
A. Reduces Efficiency
B. Increase Chemical Consumption
C. Increase make up water
D. All the above
Ans. D
Question 3. Oxygen in flue gas is measured by ……………
A. Orsat Apparatus
B. Zirconia Sensor
C. Bomb Calorimeter
D. Opacity Meter
Ans. B
Question 4. Efficiency of a thermal power plant is roughly ……….
A. 80%
B. 70%
C. 35%
D. Above 80%
Ans. C
Question 5. 456 Kcal is equal to ………….. kJ.
A. 250
B. 1908
C. 3027
D. Cannot be changed
Ans. B
Question 6. Deaerator is placed at higher elevation
A. For good house keeping
B. To keep the building cool
C. To increase NPSH A and avoid Cavitation in Boiler feed pump
D. To vent steam easily
Ans. C
Question 7. Stoichiometric combustible mixture speaks about
A. Fuel calorific value
B. Temperature of air and fuel
C. Unburnt carbon in flue gas
D. Theoretical air
Ans. D
Question 8. As per Indian Boiler rule, section-392, major repair such as fusion weld is to be entrusted to a repairer
A. Who can satisfy owner regarding quality of welding
B. Who can satisfy the boiler Director regarding quality of welding.
C. Who can satisfy the Manager regarding quality of welding.
D. Who has qualified welder with him.
Ans. B
Question 9. Pressure drop across which type valve is more
A. Gate valve
B. Butterfly valve
C. Globe valve
D. Plug valve
Ans. C
Question 10. Safety valve in installed at low pressure side of pressure reducing station to
A. Release overpressure due to failure of control valve
B. Release steam to maintain pressure
C. Open during high temperature
D. Open during high moisture
Ans. A
Also Read :
Boiler Operation Engineer ( BOE ) Previous Year Multiple Choice Questions With Answer Set -1
Boiler Operation Engineer ( BOE ) Previous Year Multiple Choice Questions With Answer Set - 2
Boiler Operation Engineer ( BOE ) Previous Year Multiple Choice Questions With Answer Set -3
Boiler Operation Engineer ( BOE ) Previous Year Multiple Choice Questions With Answer Set -4
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Boiler Operation Engineer ( BOE ) Previous Year Multiple Choice Questions With Answer Set -6
Boiler Operation Engineer ( BOE ) Previous Year Multiple Choice Questions With Answer Set -7
BOE (Boiler Operation Engineer) Previous Year Exam Questions And Answers Set - 8
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