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(#M40156921) HR INTERVIEW QUESTION Engineering HM Keep an EYE

The static head of a centrifugal pump is equal to the __________ of suction head and delivery head.


A. product
B. difference
C. sum

Asked In HR Interview Jaspalsingh Parmar (9 years ago)

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(#M40156920) HR INTERVIEW QUESTION Engineering HM Keep an EYE

A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit power of the wheel is


A. 0.25 kW
B. 0.75 kW
C. 1.75 kW
D. 3.75 kW

Asked In HR Interview Jaspalsingh Parmar (9 years ago)

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(#M40156919) HR INTERVIEW QUESTION Engineering HM Keep an EYE

Discharge of a centrifugal pump is


A. directly proportional to diameter of its impeller
B. inversely proportional to diameter of its impeller
C. directly proportional to (diameter)2 of its impeller
D. inversely proportional to (diameter)2 of its impeller

Asked In HR Interview Jaspalsingh Parmar (9 years ago)

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(#M40156918) HR INTERVIEW QUESTION Engineering HM Keep an EYE

In a Kaplan turbine runner, the number of blades are generally between


A. 2 to 4
B. 4 to 8
C. 8 to l6
D. 16 to 24

Asked In HR Interview Jaspalsingh Parmar (9 years ago)

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(#M40156917) HR INTERVIEW QUESTION Engineering HM Keep an EYE

The overshot water wheels are those in which the wheel runs entirely by the __________ of water.


A. weight
B. impulse

Asked In HR Interview Jaspalsingh Parmar (9 years ago)

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(#M40156916) HR INTERVIEW QUESTION Engineering HM Keep an EYE

The mechanical efficiency of an impulse turbine is


A. ratio of the actual power produced by the turbine to the energy actually supplied by the turbine
B. ratio of the actual work available at the turbine to the energy imparted to the wheel
C. ratio of the Work done on the wheel to the energy of the jet
D. none of the above

Asked In HR Interview Jaspalsingh Parmar (9 years ago)

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(#M40156915) HR INTERVIEW QUESTION Engineering HM Keep an EYE

Power required to drive a centrifugal pump is directly proportional to __________ of its impeller.


A. diameter
B. square of diameter
C. cube of diameter
D. fourth power of diameter

Asked In HR Interview Jaspalsingh Parmar (9 years ago)

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(#M40156911) HR INTERVIEW QUESTION Engineering Som Keep an EYE

The bending moment at the ends of a simply supported beam will be zero.


A. Yes
B. No

Asked In HR Interview Jaspalsingh Parmar (9 years ago)

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(#M40156910) HR INTERVIEW QUESTION Engineering Som Keep an EYE

The limit of eccentricity for no tensile conditions for a column of circular section of diameter (d) is


A. d/4
B. d/8
C. d/12
D. d/16

Asked In HR Interview Jaspalsingh Parmar (9 years ago)

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(#M40156909) HR INTERVIEW QUESTION Engineering Som Keep an EYE

The assumption made in Euler's column theory is that


A. the failure of column occurs due to buckling alone
B. the length of column is very large as compared to its cross-sectional dimensions
C. the column material obeys Hooke's law
D. all of the above

Asked In HR Interview Jaspalsingh Parmar (9 years ago)

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