Yes
No
✅ The correct answer is option A.
Steam Boilers and Engines MCQs
92. A compound steam engine in which piston rods of high pressure and low pressure cylinders ‘ are attached to two different cranks set at 180° to each other, is called
receiver type compound engine
Tandem type compound engine
Woolf type compound engine
both (a) and (b)
✅ The correct answer is option C.
93. The selection of type and size of a steam boiler depends upon
the power required and working pressure
the geographical position of the power house
the fuel and water available
all of the above
✅ The correct answer is option D.
94. Lancashire boiler is a stationary fire tube boiler.
Agree
Disagree
✅ The correct answer is option A.
95. The maximum heat loss is a boiler occurs due to
moisture in fuel
dry flue gases
steam formation
unburnt carbon
✅ The correct answer is option B.
96. The diameter of superheated tubes in a locomotive boiler is
13 mm
31 mm
130 mm
230 mm
✅ The correct answer is option C.
97. The average value of diagram factor lies between
0.2 to 0.5
0.5 to 0.65
0.65 to 0.9
0.8 to 1.2
✅ The correct answer is option C.
98. In forced circulation steam boilers, the force is applied
to draw water
to circulate water
to drain off the water
all of these
✅ The correct answer is option B.
99. A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as
blow off cock
fusible plug
superheater
stop valve
✅ The correct answer is option D.
100. The diameter of a cylindrical shell of a Scotch marine boiler varies from
1.5 to 2 m
2.5 to 3.5 m
3.5 to 4.5 m
none of these
✅ The correct answer is option B.