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Objective Questions
Engineering
Mechanical
ME Set-3
Theory of Machines
46

Theory of Machines MCQ with Answers

46) Which place in hydraulic turbine is most susceptible for cavitation

inlet of draft rube

blade inlet

guide blade

penstock

Answer is:

inlet of draft rube

Theory of Machines MCQ with Answers

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Related Theory of Machines MCQ with Answers

47) Air vessels in reciprocating pump are used to

smoothen flow

reduce acceleration to minimum

increase pump efficiency

save pump from cavitation

Answer is:

reduce acceleration to minimum

48) Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of

39.20%

49.20%

68.80%

84.80%

Answer is:

0.848

49) Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of

39.20%

49.20%

68.80%

84.80%

Answer is:

0.392

50) According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies

directly as fan speed

square of fan speed

cube of fan speed

square root of fan speed

Answer is:

directly as fan speed

Theory of Machines MCQ with Answers

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