SSC JE Mechanical Engineering 25th Jan 2018 Shift-2
Instructions
For the following questions answer them individually
Question 191
When a hydraulic turbine is operated, it is found that it has a high design efficiency and this efficiency remains constant over a wide range of regulation from the design condition. Whatis the type ofthis turbine?
Question 192
A 40 mm diameter 2 m long straight uniform pipe carries a steady flow of water (viscosity 1.02 centipoise) at the rate of 3.0 L/min. What is the approximate value of the shear stress on the internal wall of the pipe?
Question 194
A piece of wood having weight 5 kg floats in water with 60 %of its volume under the liquid. The specific gravity of woodis
Question 199
If D is the diameter of Pelton wheel and d is the diameter of the jet, then number of buckets on the periphery of a Pelton wheel is equal to
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