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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The critical pressure ratio for gases is

0.528
0.582
0.577
0.546

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Steam Boilers, Engines, Nozzles and Turbines
The flow through a nozzle is regarded as

Constant pressure flow
Isothermal flow
Isentropic flow
Constant volume flow

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Steam Boilers, Engines, Nozzles and Turbines
The balanced draft furnace is one using

Forced draft fan and chimney
Induced draft fan and chimney
Induced draft fan and forced draft fan
Any one of the above

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Steam Boilers, Engines, Nozzles and Turbines
The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks

90° to each other
0° to each other
None of these
180° to each other

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water temperature is called

Boiler efficiency
Vacuum efficiency
Nozzle efficiency
Condenser efficiency

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of internal flue tubes in a Lancashire boiler compared to its shell is

Two-fifth
One-third
Two-fourth
One-half

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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