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?

Video Solution
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?

Video Solution
Question 193

Steady flow occurs when

Video Solution
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

Video Solution
Question 195

Principle of similitude forms the basis of

Video Solution
Question 196

Multistage centrifugal pumps are used to obtain

Video Solution
Question 197

Medium specific speed of turbine impliesit is

Video Solution
Question 198

In mixed flow centrifugal pump

Video Solution
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

Video Solution
Question 200

Specific speed for impulse wheels ranges from

Video Solution
cracku

Boost your Prep!

Download App