STEAM BOILERS, ENGINES, NOZZLES AND TURBINES QUIZ

Receiver type compound engine

Woolf type compound engine

None of these

Tandem type compound engine

4.75 mm

5.47 mm

47.5 mm

7.45 mm

500 MW

100 MW

60 MW

30 MW

Water

Wet steam

Dry steam

Super heated steam

Clearance volume to the volume at cut-off

Swept volume to the volume at cut-off

Volume at cut-off to the swept volume

Volume at cut-off to the clearance volume

None of these

Simple reaction turbine

Impulse-reaction turbine

Simple impulse turbine

The forces in the working parts are increased as the forces are distributed over more parts

The temperature range per cylinder is increased, with corresponding increase in condensation

The cost of the engine, for the same power and economy, is more than that of a simple steam engine

The ratio of expansion is reduced, thus reducing the length of stroke

May improve/worsen depending on size

Improve

Worsen

Remain unaffected

Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash

Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight

Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume

Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash

6 to 7 m

9 to 10 m

7.25 to 9 m

5 to 6 m