Set - 5 Boiler Operation Engineer ( BOE ) Previous Year Multiple Choice Questions With Answer

Question 1. Name the fan more suitable for high pressure application

A. Propeller type fan

B. Tube axial fan

C. Backward curved centrifugal fan

D. None of the above

Ans. C

Question 2. ESP works on the principle of

A. Corona effect

B. Induction effect

C. Skin effect

D. None of the above

Ans. A

Question 3. A solution having 4 pH is more acidic than a solution of 7 pH

A. 03 times

B. 30 times

C. 100 times

D. 1000 times

Ans. D

Question 4. Demineralisation of water is the process to remove

A Dissolved oxygen

B. Dissolved salts

C. Carbon dioxide

D. Chlorine

Ans. B

Question 5. Which of the following parameter remains constant during ideal throttling process

A. Pressure

B. Entropy

C. Enthalpy

D. Temperature

Ans. C

Question 6. Which of the following substance will have same percentage in ultimate and proximate a

A. Hydrogen

B. Moisture

C. Ash

D. Volatile matter

Ans. C

Question 7.Atomising of LDO in burners is carried out through

A. Steam

B. Compressed air

C. Self pressure

D. All of the above

Ans. D

Question 8. The efficiency of collection in ESP will _______ if the resistivity of the fly ash increases

A. Increase

B. Remain the same

C. Decrease

D. First decrease and then increase

Ans. D

Question 9. Which of the following is considered as general purpose welding electrode?

A. E-6013

B. E-7018

C. E-8018 B2

D. E-9015 B9

Ans. A

Question 10. The temperature at which a typical fluidised bed combustor operates is _____ than that of conventional pulverised fuel boiler.

A. Less

B. More

C. Same

D. Can be any of the above

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 

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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