Steam Boilers and Engines MCQs

side by side and each cylinder has common piston, connecting rod and crank

side by side and each cylinder has separate piston, connecting rod and crank

at 90° and each cylinder has common piston, connecting rod and crank

at 90° and each cylind

condenser efficiency

vacuum efficiency

nozzle efficiency

boiler efficiency

75

115

165

225

V = 2g H’

V = 2g/H’

V = H’/2g

V = 2gH’

slow speed engine

vertical steam engine

condensing steam engine

non-condensing steam e

have common piston rod

are set at 90°

have separate piston rod

are set in V – arrange

one-fourth

one-third

two-fifth

one-half

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

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

receiver type compound engine

Tandem type compound engine

Woolf type compound engine

both (a) and (b)