SSC JE Mechanical Engineering 29th Jan 2018 Shift-2


For the following questions answer them individually

Question 191

Which one of the following turbines exhibits a nearly constant efficiency over a 60% to 140% of design speed?

Question 192

An oil of specific gravity 0.9 has viscosity of 0.28 stoke at $$38^\circ C$$. What will be its viscosity in N-s/m$$^2$$?

Question 193

Gradually varied flow is

Question 194

A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury?

Question 195

Cavitation will begin when

Question 196

Axial flow pump is started with its delivery valve

Question 197

The maximum number of jets generally employed in impulse turbine without jet interference is

Question 198

The action of a centrifugal pump is as that of a

Question 199

The ratio of width of bucket for a Pelton wheel to the diameter of jet is of the order of

Question 200

Francis turbine is best suited for

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