The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine
Answer: B
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For maximum efficiency of an impulse turbine, the steam should leave the blades at right angles to their motion.
Answer: A
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The pressure of steam __________ while flowing through a nozzle.
Answer: B
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The efficiency of steam turbines may be improved by
Answer: D
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The Effect of friction in a nozzle......dryness fraction of steam
Answer: A
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A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be
Answer: C
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The ratio of the useful heat drop to the isentropic heat drop is called
Answer: B
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The turbine blades are
Answer: C
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The impulse turbine rotor efficiency will have a maximum value of 0.5 cos2 α, where α is the nozzle exit flow angle, if the
Answer: C
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The maximum velocity attainable at the throat of a steam nozzle is......
Answer: C
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