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Engineering
Mechanical
ME Set-1
Hydraulic Machines
11

Hydraulic Machines MCQ with Answers

11) The overall efficiency of an impulse turbine is maximum when velocity of wheel is ______ of the jet velocity.

One fourth

One half

Three fourth

Double

Answer is:

One half

Hydraulic Machines MCQ with Answers

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Related Hydraulic Machines MCQ with Answers

12) The overall efficiency for a Pelton wheel lies between

0.5 to 0.65

0.65 to 0.75

0.75 to 0.85

0.85 to 0.90

Answer is:

0.85 to 0.90

13) A double overhung Pelton wheel has

Two jets

Two runners

Four jets

Four runners

Answer is:

Two runners

14) The width of the bucket for a Pelton wheel is generally ______ the diameter of jet.

Double

Three times

Four times

five times

Answer is:

five times

15) The depth of the bucket for a Pelton wheel is generally ______ the diameter of Jet.

equal to

1.2 times

1.8 times

double

Answer is:

1.2 times

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