Steam Nozzles and Turbines - Data Intensity 3 | Multiple Questions and Answers

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Steam Nozzles and Turbines - Data Intensity 3 Multiple Questions and Answers.

11.	The friction in the nozzle ____ exit velocity of steam.

	A.	has no effect on
	B.	decreases
	C.	increases
	D.	none of above

12.	In a reaction turbine

	A.	the steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades
	B.	the expansion of steam takes place partly in the fixed blades and partly in the moving blades
	C.	the steam is expanded from a high pressure to a condenser pressure in one or more nozzles
	D.	the pressure and temperature of steam remains constant

13.	A stage, in reaction turbine, is represented by

	A.	number of casing
	B.	number of entries of steam
	C.	number of exits of steam
	D.	each row of blades

14.	When the nozzle operates with the maximum mass flow, the nozzle is said to be

	A.	choked
	B.	underdamping
	C.	overdamping
	D.	none of these

15.	In a velocity compounded impulse turbine, when steam flows through the second row of moving blades,

	A.	velocity increases
	B.	velocity decreases
	C.	velocity remains constant
	D.	pressure remains constant

Read More :

» Steam Nozzles and Turbines - Data Intensity 1

» Steam Nozzles and Turbines - Data Intensity 2

» Steam Nozzles and Turbines - Data Intensity 3

» Steam Nozzles and Turbines - Data Intensity 4

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