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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

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

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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

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

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Steam Boilers, Engines, Nozzles and Turbines
Water tube boilers are

Internally as well as externally fired
Internally fired
Externally fired
None of these

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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
A fusible plug is fitted in small boilers in order to

Avoid excessive build up of pressure
Control steam dome
Avoid explosion
Extinguish fire if water level in the boiler falls below alarming limit

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Steam Boilers, Engines, Nozzles and Turbines
The efficiency of steam turbines may be improved by

Regenerative feed heating
Any one of these
Binary vapor plant
Reheating of steam

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