M

Mr. Dubey • 52.30K Points
Coach 

Q. When do we apply by pass governing?

(A) when turbine is overloaded
(B) when unit speed decreases
(C) when unit power increases
(D) when unit pressure decreases
Correct : Option (A)

Explanation: 
 the main purpose of by pass governing is taken into full action when the turbine is overloaded for short durations. this happens occasionally in the working of the turbine. during this, a bypass valve is used.

Share

Discusssion

Login to discuss.

Loading Comments....

Related MCQs

Q. When a body is placed over a liquid, it will sink down if

Q. In a liquid limit test, the moisture content at 10 blows was 70% and that at 100 blows was 20%. The liquid limit of the soil, is

Q. For a steel member of slenderness ratio 350, the allowable stress is 76 kg/cm2 if it is

Q. “Plasticizers are used for increase the setting time of concrete.” Is it true or false?

Q. Which of the following devices is used to store energy of liquid under pressure and make this energy available to hydraulic machines?

Q. The dynamic viscosity of the liquid __________ with rise in temperature.

Q. For a cantilever beam of length built-in at the support and restrained against torsion at the free end, the effective projecting length is

Q. In the seismic refraction method, the waves sent along the ground surface is picked by

Q. Le-chatelier method is used to determine ?

Q. In volume batching………. % of bulking is take into account.