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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A single acting steam engine produces ___ power than that of double acting steam engine.

Equal
Double
Four times
Half

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Steam Boilers, Engines, Nozzles and Turbines
The compounding of turbines is done in order to

All of these
Reduce speed of rotor
Reduce exit losses
Improve efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following compound steam engine requires a smaller flywheel?

Tandem type
Receiver type
All of these
Woolf type

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Steam Boilers, Engines, Nozzles and Turbines
For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler.

None of these
More
Less
Equal

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Steam Boilers, Engines, Nozzles and Turbines
The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by

V = 2g H'
V = 2gH'
V = 2g/H'
V = H'/2g

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Steam Boilers, Engines, Nozzles and Turbines
The Parsons' reaction turbine has

Only moving blades
Only fixed blades
Identical fixed and moving blades
Fixed and moving blades of different shape

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