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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A valve installed between the boiler and the feed pump is

Feed check valve
None of these
Blow off cock
Steam stop valve

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is a

Stationary fire tube boiler
Stationary water tube boiler
Water tube boiler with natural/forced circulation
Mobile fire tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
Bomb calorimeter is used to determine

Lower calorific value at constant pressure
Higher calorific value at constant pressure
Lower calorific value at constant volume
Higher calorific value at constant volume

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Steam Boilers, Engines, Nozzles and Turbines
For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be

Equal to the height of chimney
One-half the height of chimney
Four times the height of chimney
Two times the height of chimney

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Steam Boilers, Engines, Nozzles and Turbines
Thermal equilibrium means that the flow of steam is

Isentropic
Polytropic
Isothermal
Hyperbolic

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the actual vacuum to the ideal vacuum in a condenser is called

Vacuum efficiency
Boiler efficiency
Nozzle efficiency
Condenser efficiency

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