STEAM BOILERS, ENGINES, NOZZLES AND TURBINES QUIZ

Pulverizing coal in inert atmosphere

Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel

Heating wood in a limited supply of air at temperatures below 300°C

Enriching carbon in the coal

Moving blades

None of these

Fixed blades

Both fixed and moving blades

Cavitation of boiler feed pumps

pH value of water

Heat transfer coefficient

Corrosion caused by oxygen

Inclined

Horizontal

Both horizontal and vertical

Vertical

Absolute velocity at the inlet of moving blade is equal to that at the outlet

Axial velocity at inlet is equal to that at the outlet

Whirl velocity at inlet is equal to that at the outlet

Relative velocity at the inlet of the moving blade is equal to that at the outlet

Lancashire

Babcock and Wilcox

Locomotive

Cochran

Clearance volume to the volume at cut-off

Swept volume to the clearance volume

Volume at cut-off to the swept volume

Clearance volume to the swept volume

One third

One fifth

One half

One fourth

To convert reciprocating motion of the piston into rotary motion of the crank

To convert rotary motion of the crankshaft into to and fro motion of the valve rod

To provide simple harmonic motion to the D-slide valve

To provide reciprocating motion to the slide valve

Woolf type compound engine

Tandem type compound engine

Receiver type compound engine

Both (A) and (B)