SSC JE Mechanical Engineering 27th Jan 2018 Shift-2
For the following questions answer them individually
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 191
A Pelton wheelwith single jet rotates at 600 rpm. The velocity of the jet from the nozzle is 100 m/s. If the ratio of the vane velocity of jet velocity is 0.44, whatis the diameter of the Pelton wheel?
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 192
A 1.0 m long modelofa ship is towed at a speed of 81 cm/s in a towing tank. To what speed of the ship, 64 m long doesthis correspond to?
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 193
The flow which neglects changesin a transverse direction is known as
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 194
The region between the separation streamline and the boundary surface of the solid body is known as
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 195
Forsimilarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 196
In a single casing, multi-stage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 197
The specific speed of turbine is defined as the speed of a unit
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 198
If A and v stand for head and velocity and suffixes s,dand f for suction, delivery and friction, the manometric headof a centrifugal pump is equal to
A] $$h_s + h_d$$
B] $$h_s + h_d + h_f$$
C] $$h_s + h_d + h_f + \frac{v_s^2}{2g}$$
D] $$h_s + h_d + h_f + \frac{v_d^2}{2g}$$
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 199
The maximum efficiency of a Pelton wheel working under a constant head and discharge with the increase in power
SSC JE Mechanical Engineering 27th Jan 2018 Shift-2 - Question 200
The ratio of actual work available at the turbine to energy imparted to the wheelis called
