Free Printable IAT-I ME8792 POWER PLANT ENGINEERING

1.

1-The amount of air required for complete combustion of fuel is called:

a)

(A) Excess air

b)

(B) Free air

c)

(C) Stoichiometric air

d)

(D) None of the above

2.

C+O₂ → CO₂, Therefore 1kg of carbon requires how much kg of oxygen?

a)

(A) 1.67

b)

(B) 2.67

c)

(C) 3.67

d)

(D) 4.67

3.

3-Mechanical equivalent of heat is related to:

a)

(A) Conservation of mass

b)

(B) Conservation of energy

c)

(C) Conservation of momentum

d)

(D) None of the above

4.

4-The localized corrosion caused by oxygen in boilers is called:

a)

Scaling

b)

Pitting

c)

Erosion

d)

None of the above

5.

5-Which of the following equipment is used for boiling water treatment?

a)

(A) Pyrometer

b)

(B) Dearater

c)

(C) Hydrometer

d)

(D) None of the above

6.

6-What is the recommended hardness of boiler feed water?

a)

(A) Less than 5 ppm

b)

(B) Greater than 5 ppm

c)

(C) Greater than 1 ppm

d)

(D) Less than 1 ppm

7.

7-If steam water content is 5%, its dryness fraction is:

a)

(A) 95%

b)

(B) 0%

c)

(C) 5%

d)

(D) None of these

8.

8-The energy content of steam is called:

a)

(A) Entropy

b)

(B) Density

c)

(C) Specific volume

d)

(D) Enthalpy

9.

9-Only throttling calorimeter is used for measuring:

a)

A) Very low dryness fraction upto 0.7

b)

(B) Very high dryness fraction upto 0.98

c)

(C) Dryness fraction of only low pressure steam

d)

(D) Dryness fraction of only high pressure steam

10.

10-Air at 20°C and 101.325 kpa is called:

a)

(A) STP

b)

(B) NTP

c)

(C) ISA

d)

(D) SATP

11.

Calorific value of Anthracite is approximately:

a)

(A) 12000 KJ/kg

b)

(B) 14000 KJ/kg

c)

(C) 1000 KJ/kg

d)

(D) 35600 KJ/kg

12.

12-Bomb calorimeter is used to determine the calorific value of:

a)

(A) Solid fuel only

b)

(B) Liquid fuels only

c)

(C) Both solid and liquid fuels

d)

(D) Gaseous fuel

13.

13-Junker’s calorimeter is used to determine the calorific value of

a)

(A) Gaseous fuels only

b)

(B) Solid fuels only

c)

(C) Liquid fuels only

d)

(D) All of the above

14.

14-Ultimate analysis of fuel means determination of:

a)

(A) Higher calorific value of fuel

b)

(B) Lower calorific value of fuel

c)

(C) Percentage of carbon, hydrogen, nitrogen, sulphur and phosphorous

d)

(D) Percentage of fixed carbon, ash, volatile matter and moisture

15.

15-Evaporation ratio is defined as:

a)

(A) Quantity of steam generation / Quantity of fuel consumption

b)

(B) Quantity of fuel consumption / Quantity of steam generation

c)

(C) 1 / Quantity of fuel consumption

d)

(D) 1 / Quantity of steam generation

16.

16-Define the boiler terminology MCR:

a)

(A) Maximum concentration rating

b)

(B) Maximum rating

c)

(C) Maximum continuous rating

d)

(D) None of the above

17.

17-Super heated steam is

a)

(A) Steam at a temperature below boiling point of water

b)

(B) Steam at a temperature above boiling point of water

c)

(C) Steam at boiling point of water

d)

(D) None of the above

18.

18-Saturated steam 100% dry contains:

a)

(A) 0% latent heat

b)

(B) 90% latent heat

c)

(C) Sensible heat

d)

(D) 100% latent heat

19.

19-Which of these components on the boiler is used to recover the waste heat of the flue gases for heating feed water?

a)

(A) Super heater

b)

(B) Economizer

c)

(C) Pre heater

d)

(D) Fusible plug

20.

20-Which of these components on the boiler is used to increase the temperature steam above saturation temperature?

a)

(A) Air pre heater

b)

(B) Economizer

c)

(C) Super heater

d)

(D) None of the above

21.

21-Function of steam separator:

a)

(A) To remove the entrained water particles from the steam conveyed to steam engine

b)

(B) To increase the temperature of the steam above saturation point

c)

(C) To increase the temperature of air before it enters the furnace

d)

(D) All the above

22.

22-Which of the following as referred to steam boiler are defined as mountings?

a)

(A) Safety valve

b)

(B) Economizer

c)

(C) Air pre heater

d)

(D) Stop valve

23.

23-Draught produced by chimney is described as:

a)

(A) Induced draught

b)

(B) Natural draught

c)

(C) Forced draught

d)

(D) Balanced draught

24.

24-Artificial draught is produced by:

a)

(A) Induced fan

b)

(B) Forced fan

c)

(C) Induced fan and Forced fan

d)

(D) All of the above

25.

25-The pressure is minimum at the furnace in case of:

a)

(A) Forced draught system

b)

(B) Induced draught system

c)

(C) Balanced draught system

d)

(D) Natural draught system

26.

a)

A

b)

B

c)

C

d)

D

27.

a)

A

b)

B

c)

C

d)

D

28.

a)

A

b)

B

c)

C

d)

D

29.

a)

A

b)

B

c)

C

d)

D

30.

a)

A

b)

B

c)

C

d)

D

31.

a)

A

b)

B

c)

C

d)

D

32.

a)

A

b)

B

c)

C

d)

D

33.

a)

A

b)

B

c)

C

d)

D

34.

a)

A

b)

B

c)

C

d)

D

35.

a)

A

b)

B

c)

C

d)

D

36.

a)

A

b)

B

c)

C

d)

D

37.

a)

A

b)

B

c)

C

d)

D

38.

a)

A

b)

B

c)

C

d)

D

39.

a)

A

b)

B

c)

C

d)

D

40.

a)

A

b)

B

c)

C

d)

D

41.

a)

A

b)

B

c)

C

d)

D

42.

a)

A

b)

B

c)

C

d)

D

43.

a)

A

b)

B

c)

C

d)

D

44.

a)

A

b)

B

c)

C

d)

D

45.

a)

A

b)

B

c)

C

d)

D

46.

a)

A

b)

B

c)

C

d)

D

47.

a)

A

b)

B

c)

C

d)

D

48.

a)

A

b)

B

c)

C

d)

D

49.

a)

A

b)

B

c)

C

d)

D

50.

a)

A

b)

B

c)

C

d)

D

IAT-I ME8792 POWER PLANT ENGINEERING

Total questions: 50

Worksheet time: 50mins

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