85) The diagram efficiency is the ratio of

workdone on the blades to the energy supplied to the blades

workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam

energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam

none of the above

Answer is:

workdone on the blades to the energy supplied to the blades

Steam Nozzles and Turbines MCQ with Answers

For more MCQ's Click Here

Related Steam Nozzles and Turbines MCQ with Answers

86) The Rankine efficiency depends upon total useful heat drop and total isentropic heat drop.

Correct

Incorrect

Answer is:

Incorrect

87) Blading efficiency is also known as

stage efficiency

diagram efficiency

nozzle efficiency

none of these

Answer is:

diagram efficiency

88) The pressure of steam, in reaction turbines, is reduced in the fixed blades as well as in moving blades.

Correct

Incorrect

Answer is:

Correct

89) In order to reduce the rotor speed of an impulse turbine, the method employed is

velocity compounding

pressure compounding

pressure-velocity compounding

all of these

Answer is:

all of these

Explanation:

In order to reduce the rotor speed of an impulse turbine, the method employed is
* velocity compounding
* pressure compounding
* pressure-velocity compounding

Steam Nozzles and Turbines MCQ with Answers

For more MCQ's Click Here