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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Fire tube boilers are limited to a maximum working pressure of

0.17 MN/m²
17 MN/m²
170 MN/m²
1.7 MN/m²

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Steam Boilers, Engines, Nozzles and Turbines
Efficiency of Rankine cycle can be increased by

Increasing the expansion ratio
Decreasing initial steam pressure and temperature
Decreasing exhausts pressure
Increasing exhaust pressure

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Steam Boilers, Engines, Nozzles and Turbines
While steam expands in turbines, theoretically the entropy

Increases
Behaves unpredictably
Decreases
Remains constant

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is used where working pressure and power required are

None of these
High
Moderate
Low

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Steam Boilers, Engines, Nozzles and Turbines
Rateau turbine is

Velocity compounded turbine
Pressure compounded turbine
Pressure-velocity compounded turbine
Simple reaction turbine

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is a water tube boiler?

Babcock and Wilcox boiler
Cochran boiler
Locomotive boiler
Lancashire boiler

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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