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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
The effect of bleeding is that

All of these
It increases the thermodynamic efficiency of the turbine
Boiler is supplied with hot water
It decreases the power developed by the turbine

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Steam Boilers, Engines, Nozzles and Turbines
Efficiency of a thermal cycle increases by

Regeneration
Cooling of steam
Reheating of steam
Both (A) and (B)

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Steam Boilers, Engines, Nozzles and Turbines
Boiler parameters are expressed by

Temperature of steam in °C
All of these
Pressure of steam in kg/cm²
Tonnes/hr. of steam

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Steam Boilers, Engines, Nozzles and Turbines
Expansion ratio is the ratio of

Clearance volume to the swept volume
Swept volume to the clearance volume
Swept volume to the volume at cut-off
Volume at cut-off to the swept volume

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve usually employed with stationary boilers is

All of the listed here
Dead weight safety valve
Lever safety valve
High steam and low water safety valve

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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