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Steam Boilers, Engines, Nozzles and Turbines

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The density of supersaturated steam is about __________ that of the ordinary saturated vapor at the corresponding pressure.

2 times
4 times
8 times
Same as

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The high pressure boiler is one, which produces steam at a pressure more than

5 kg/cm²
Atmospheric pressure
7580 kg/cm²
10 kg/cm²

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Steam Boilers, Engines, Nozzles and Turbines
The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be

1.67
0.67
0.56
0.4

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

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

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