In a single stage impulse turbine, the velocity of steam approaching nozzles is negligible.

More Questions from Steam Nozzles and Turbines

• When the cross-section of a nozzle first increases from its entrance to throat, and then decreases from its throat to exit, it is not a convergent-divergent nozzle.
• A stage, in reaction turbine, is represented by
• A nozzle is said to be a divergent nozzle
• The ratio of the isentropic heat drop to the heat supplied, is called
• Which of the following statement is correct for steam turbines as compared to reciprocating steam engines?
• For maximum efficiency of an impulse turbine, the steam should leave the blades at right angles to their motion.
• The effect of friction on the flow of steam through a nozzle is to
• The effect of supersaturation is that the
• De-Laval turbine is a
• The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ number of stages are required.

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