swept volume
clearance volume
✅ The correct answer is option A.
Steam Boilers and Engines MCQs
The indicated thermal efficiency is defined as the
ratio of thermal efficiency to the Rankine efficiency
ratio of brake power to the indicated power
ratio of heat equivalent to indicated power to the energy supplied in steam
product of thermal eff
✅ The correct answer is option C.
The function of a superheater is to heat the feed water by utilising the heat in the exhaust flue gases before leaving through the chimney.
Yes
No
✅ The correct answer is option B.
Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler ?
Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler.
Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler.
Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes.
Cornish boiler has two
✅ 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 90° 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 A.
In a La-mont boiler, there is a __________ circulation of water and steam.
forced
natural
✅ The correct answer is option A.
In a boiler, the heat is lost
to dry flue gases
in moisture present in the fuel
to steam formed by combustion of hydrogen per kg of fuel
all of the above
✅ The correct answer is option D.
The velocity of flue gases (V) through the chimney under a static draught of(H’) metres is given by
V = 2g H’
V = 2g/H’
V = H’/2g
V = 2gH’
✅ The correct answer is option A.
When steam after doing work in the cylinder passes into a condenser, the engine is said to be a
slow speed engine
vertical steam engine
condensing steam engine
non-condensing steam e
✅ The correct answer is option C.
In a Woolf type compound engine, the high pressure and low pressure cylinders
have common piston rod
are set at 90°
have separate piston rod
are set in V – arrange
✅ The correct answer is option C.