moisture in fuel
dry flue gases
steam formation
unburnt carbon
✅ The correct answer is option B.
Steam Boilers and Engines MCQs
The diameter of superheated tubes in a locomotive boiler is
13 mm
31 mm
130 mm
230 mm
✅ The correct answer is option C.
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.
The fire tubes in a Locomotive boiler has __________ diameter.
4.75 mm
5.47 mm
7.45 mm
47.5 mm
✅ The correct answer is option D.
A receiver type compound engine, requires a lighter flywheel.
Yes
No
✅ The correct answer is option A.
In a fire tube boiler, the water is contained inside the tubes which are surrounded by flames and hot gases from outside.
TRUE
FALSE
✅ The correct answer is option B.
Willian’s law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power)
I.P.
(I.P.)2
✅ The correct answer is option C.
The shell of the Cochran boiler is made hemispherical
to give maximum space and strength
to withstand the pressure of steam inside the boiler
both (a) and (b)
none of the above
✅ The correct answer is option C.
The amount of water evaporated in kg per kg of fuel burnt is called
evaporative capacity of a boiler
equivalent evaporation from and at 100° C
boiler efficiency
none of these
✅ The correct answer is option A.
A single ended Scotch marine steam boiler may have one to four furnaces which enter from front end of the boiler.
Correct
Incorrect
✅ The correct answer is option A.