STEAM BOILERS, ENGINES, NOZZLES AND TURBINES QUIZ

None of the listed here

Slow speed engine

Medium speed steam engine

High speed steam engine

Rising characteristic

Flat characteristic

Linear characteristic

Drooping characteristic

Less than

None of these

Equal to

Higher than

LaMont boiler

Lancashire boiler

Benson boiler

Velox boiler

13 mm

230 mm

130 mm

31 mm

Water space also

Steam space

Superheater

Chimney

Air extraction pump

Condensate pump

Condenser

All of these

Area of nozzle at throat

Initial pressure and volume of steam

Both (A) and (B)

Final pressure of steam leaving the nozzle

Heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum

Feed pump is employed to supplement natural circulation in water wall type furnace

Water is converted into steam in one. Pass without any recirculation

Water is supplied in drum and through down comers located in atmospheric condition it passes to the water wall and rises to drum in the form of mixture of water and steam

Vb = 0.5 V² cosα

Vb = V cosα

Vb = 0.5 V cosα

Vb = V² cosα