Correct
Incorrect
✅ The correct answer is option A.
Steam Boilers and Engines MCQs
The length of Lancashire boiler varies from
5 to 6 m
6 to 7 m
7.25 to 9 m
9 to 10 m
✅ The correct answer is option C.
Babcock and Wilcox boiler is a stationary type of water tube boiler.
Correct
Incorrect
✅ The correct answer is option A.
The motion of a D-slide valve in a steam engine is simple harmonic.
Yes
No
✅ The correct answer is option A.
Lancashire boiler is used where working pressure and power required are
low
moderate
high
none of these
✅ The correct answer is option B.
The main object of a boiler trial is
to determine the generating capacity of the boiler
to determine the thermal efficiency of the boiler when working at a definite pressure
to prepare heat balance sheet for the boiler
all of the above
✅ The correct answer is option D.
Cut-off ratio is the ratio of
swept volume to the volume at cut-off
volume at cut-off to the clearance volume
volume at cut-off to the swept volume
clearance volume to th
✅ The correct answer is option C.
The draught is the __________ of pressures above and below the fire grate.
sum
difference
✅ The correct answer is option B.
Which of the following is a water tube boiler ?
Lancashire boiler
Babcock and Wilcox boiler
Locomotive boiler
Cochran boiler
✅ The correct answer is option B.
The water tubes in a Babcock and Wilcox boiler are
vertical
horizontal
inclined
✅ The correct answer is option C.