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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The ratio of the clearance volume to the swept volume is called

None of these
Clearance ratio
Expansion ratio
Cut-off ratio

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Steam Boilers, Engines, Nozzles and Turbines
The action of steam in a steam turbine is

Neither static nor dynamic
Dynamic
Static
Static and dynamic

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Steam Boilers, Engines, Nozzles and Turbines
Film boiling occurs at

Very high pressures
Atmospheric pressures
Very low pressure
Medium pressures

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Locomotive boiler has __________ diameter.

5.47 mm
4.75 mm
47.5 mm
7.45 mm

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Steam Boilers, Engines, Nozzles and Turbines
Fusible plug for boilers is made of fusible metal containing tin, lead, and

Bismuth
Nickel
Aluminium
Copper

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Steam Boilers, Engines, Nozzles and Turbines
In an impulse reaction turbine, the pressure drops gradually and continuously over

Fixed blades
Both fixed and moving blades
None of these
Moving blades

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