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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The dry saturated steam at very low pressure, (510 kg/cm²) when throttled to atmosphere will become

Remain dry saturated
Wet
Dry
Superheated

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

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

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Steam Boilers, Engines, Nozzles and Turbines
It is required to produce large amount of steam at low pressure. Which boiler should be used?

Pulverized fuel fired boiler
Cochran boiler
Babcock and Wilcox boiler
Lancashire boiler

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Steam Boilers, Engines, Nozzles and Turbines
The best suited coal for chain or traveling grate stoker boiler is

Non-coking or free burning coal
Pulverized coal
Coking coal
High sulphur coal

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Steam Boilers, Engines, Nozzles and Turbines
The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C.

60°C
0°C
40°C
100°C

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following substance will have same percentage in both proximate and ultimate analysis?

Ash
Hydrogen
Volatile matter
Moisture

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