A. To determine the generating capacity of the boiler
B. To determine the thermal efficiency
of the boiler, when working at a definite pressure
C. To prepare heat balance sheet for the boiler
D. All of the above
Ans. D
Q.2 Which super heater in a boiler has a dropping characteristics?
A.Pendent super heater
B.convection super hater
C.Radiant super heater
D.conduction super heater
Ans. C
Q.3 Size of boiler tubes is specific by-
A.Mean diameter and thickness
B.Inside diameter and thickness
C.Outside diameter & thickness
D.Outside diameter alone
Ans. C
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Q.4 Reheating of steam under ideal condition takes place at constant
A.Entropy
B.Enthalpy
C.Pressure
D.Temparature
Ans. C
Q.5 The fusible plug in small boilers is located-
A. In the drum
B. In the fire tubes
C. Above steam dome
D. Over the combustion chamber
Ans. D
Q.6 Reheat cycle in steam power plant is used to-
A. Prevent excess of 10-12% moisture content in last stages of turbine
B. Utilize heat of the flue gases
C. Increase plant efficiency
D. Increase condenser performance
Ans. A
Q.7 When steam is first being introduced into a piping system, it is important that;
A. All valves be wide open
B. All drains be closed
C. ALL valves be closed
D. All condensate water is drained
E. All by-pass valves are closed
Ans. D
Q.8 Caustic gouging destroys protective film by:
A. Dissolving carbonates scale
B. Dissolving iron and magnetite to form sodium ferrate
C. Dissolving silicate scale
D. Depositing metal hydroxides
Ans. B
Q.9 Insufficient air for combustion will result in: 1. Carbon in flue gases. 2. High oxygen reading in flue gases 3. Low oxygen reading in flue gases. 4. High CO in flue gases 5. Higher than normal flue gas temperature
A. 1, 2, 3
B. 2, 3, 4
C. 3, 4, 5
D. 1, 3, 4
E. 1, 2, 3, 4
Ans. D
Q.10 To determine the amount of dissolved solids in boiler feed water you would test the:
A. Alkalinity of the water
B. Hardness of the water
C. Conductance of the water
D. PH value of the water
Ans. C
Q.11 Generally packaged boilers are:
A. Top supported
B. Horizontal return tubular
C. Bottom-supported
D. Oil fired boilers
Ans. B
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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
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Boiler Operation Engineer ( BOE ) Previous Year Multiple Choice Questions With Answer Set -5
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
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BOE (Boiler Operation Engineer) Previous Year Exam Questions And Answers Set - 9
BOE (Boiler Operation Engineer) Previous Year Exam Questions And Answers Set - 10
BOE (Boiler Operation Engineer) Previous Year Exam Questions And Answers Set - 11
BOE (Boiler Operation Engineer) Previous Year Exam Questions And Answers Set - 12
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