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Steam Boilers, Engines, Nozzles and Turbines

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
100°C
0°C
40°C

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Steam Boilers, Engines, Nozzles and Turbines
In a Tandem type compound engine, the high pressure and low pressure cylinders

Are set in V-arrangement
Have common piston rod
Have separate piston rods
Are set at 90°

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Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called

Receiver type compound engine
Both (A) and (B)
Woolf type compound engine
Tandem type compound engine

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Steam Boilers, Engines, Nozzles and Turbines
In a throttling process

Steam entropy remains constant
Steam enthalpy remains constant
Steam temperature remains constant
Steam pressure remains constant

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Steam Boilers, Engines, Nozzles and Turbines
A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion.

270°
90°
60°
180°

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Steam Boilers, Engines, Nozzles and Turbines
On Mollier chart, flow through turbine is represented by

Vertical straight line
Straight inclined line
Curved line
Horizontal straight line

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