Power plant engineering : Important MCQs | set 1 – Mechanicaltalks

 Power plant engineering MCQs

Here are top 20 important MCQs of Power plant engineering  . Read the questions carefully and try to answer all of them from your own.

Q1. Water tube boilers are 

a) internally fired

b) externally fired

c) internally as well as externally fired

d) none of these

externally fired

Q2. The fire tubes in a Cochran boiler are

a) horizontal

b) vertical

c) inclined

d) all of these

horizontal

Q3. The fire tubes in a Cochran boiler usually have ___ diameter

a) 6.25 mm

b) 62.5 mm

c) 72.5 mm

d) 92.5 mm

62.5 mm

Q4. The number of fire tubes in a Cochran boiler are

a) 75

b) 115

c) 165

d) 225

165

Q5. The fire tubes in a Scotch marine boiler are

a) horizontal

b) vertical

c) inclined

d) none of these

horizontal

Q6. The diameter of a cylindrical shell of a Scotch marine boiler varies from

a) 1.5 to 2 m

b) 2.5 to 3.5 m

c) 3.5 to 4.5 m

d) none of these

2.5 to 3.5 m

Q7. Lancashire boiler is

a) stationary fire tube boiler

b) internally fired

c) horizontal boiler

d) all of these

all of these

Q8. Lancashire boiler is used where working pressure and power required are

a) low

b) moderate

c) high

d) none of these

moderate

Q9. The cylindrical shell of a Lancashire boiler has diameter from

a) 1 to 2 m

b) 1.25 to 2.25 m

c) 1.5 to 2.5 m

d) 1.75 to 2.75 m

1.75 to 2.75 m

Q10. The length of Lancashire boiler varies from

a) 5 to 6 m

b) 6 to 7 m

c) 7.25 to 9 m

d) 9 to 10 m

7.25 to 9 m

Q11. Lancashire boiler has ___ internal flue tubes

a) one

b) two

c) three

d) four

two

Q12. The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell

a) one – fourth

b) one – third

c) two – fifth

d) three – fifth

two – fifth

Q13. The diameter of Cornish boiler varies from

a) 0.5 to 1 m

b) 1 to 2 m

c) 1.25 to 2.5 m

d) 2 to 3 m

1 to 2 m

Q14. The length of the Cornish boiler varies from

a) 2 to 4.45 m

b) 3 to 5 m

c) 5 to 7.5 m

d) 7 to 9 m

5 to 7.5 m

Q15. The diameter of the flue tube in a Cornish boiler ___ that of the shell

a) one – fourth

b) one – third

c) two – fifth

d) three – fifth

three – fifth

Q16. The length of the locomotive boiler is

a) 1 m

b) 2 m

c) 3 m

d) 4 m

4 m

Q17. The shell diameter of a locomotive boiler is

a) 1 m

b) 1.5 m

c) 2 m

d) 2.5 m

1.5 m

Q18. The maximum steam pressure in a locomotive boiler is limited to

a) 0.18 MN/ m^2

b) 1.8 MN/ m^2

c) 18 MN/ m^2

d) 180 MN/m^2

1.8 MN/ m^2

Q19. The fire tubes in a locomotive boiler has ___ diameter

a) 4.75 mm

b) 5.47 mm

c) 7.45 mm

d) 47.5 mm

47.5 mm

Q20. The diameter of superheated tubes in a locomotive boiler is

a) 13 mm

b) 31 mm

c) 130 mm

d) 230 mm

130 mm

Also read this : Boiler introduction and classification

Must read : Boiler mountings and accessories

That was the set 1 of top important MCQs of power plant engineering. This will help a lot for the competitive examinations. If you like this content then do share this with your well wishers. If you have any doubts regarding any mechanical engineering then let us know in comment section or contact us through email.