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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
By compounding the expansion of steam in two or more cylinders, the ratio of expansion

Decreases
Increases
None of these
Does not change

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Steam Boilers, Engines, Nozzles and Turbines
De-Laval turbines are mostly used

Where low speeds are required
For small power purposes and high speeds
For large power purposes
For small power purposes and low speeds

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of heat utilized to produce steam and the heat liberated in furnace is known as

Boiler evaporative capacity
Boiler efficiency
Factor of evaporation
Boiler effectiveness

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Steam Boilers, Engines, Nozzles and Turbines
The high steam and low water safety valve is not used in

Lancashire boiler
Cochran boiler
Locomotive boiler
Cornish boiler

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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.

Equal
Less
More
None of these

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Steam Boilers, Engines, Nozzles and Turbines
All steam engines work on

First law of thermodynamics
Zeroth law of thermodynamics
None of the listed here
Second law of thermodynamics

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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