Top 350+ Solved Turbine MCQ Questions Answer
Q. Head under which Kaplan turbine is operated
a. 10-70 meters
b. 70 -100 meters
c. 100-200 meters
d. Above 200 meters
Q. Head under which Francis turbine is operated
a. 10-70 meters
b. 70-100 meters
c. 100-200 meters
d. 40 -600 meters
Q. The turbine is preferred for 0 to 25 m head of water?
a. Pelton wheel
b. Kaplan turbine
c. Tube turbine
d. Francis turbine
Q. Under what head is Pelton turbine operated?
a. 20-50 meters
b. 15-2000 meters
c. 60-200 meters
d. 50-500 meters
Q. is difference between head race and tail race
a. Gross head
b. Net head
c. Net positive suction head
d. Manometric head
Q. The head available at inlet of turbine
a. Net positive suction head
b. Gross head
c. Net head
d. Manometric head
Q. The difference between gross head and friction losses is
a. Net head
b. Gross head
c. Manometric head
d. Net positive suction head
Q. is defined as ratio between power delivered to runner and power supplied at inlet of turbine.
a. Mechanical efficiency
b. Volumetric efficiency
c. Hydraulic efficiency
d. Overall efficiency
Q. Which among the following which is not an efficiency of turbine?
a. Mechanical efficiency
b. Volumetric efficiency
c. Hydraulic efficiency
d. Electrical efficiency
Q. The ratio of power at the shaft of turbine and power delivered by water to runner is known as?
a. Mechanical efficiency
b. Volumetric efficiency
c. Hydraulic efficiency
d. Overall efficiency
Q. The product of mechanical efficiency and hydraulic efficiency is known as?
a. Mechanical efficiency
b. Volumetric efficiency
c. Hydraulic efficiency
d. Overall efficiency
Q. Among the following which turbine has highest efficiency?
a. Kaplan turbine
b. Francis turbine
c. Pelton turbine
d. Propeller turbine
Q. In the expression for overall efficiency of turbine, which is p/(k*g*q*h), where “k” is known as
a. Density of liquid
b. Specific density of liquid
c. Volume of liquid
d. Specific gravity of liquid
Q. The expression for maximum hydraulic efficiency of pelton turbine is given by?
a. (1+cos k)/2 where k is outlet blade angle
b. (2+cos k)/2 where k is outlet blade angle
c. (3+cos k)/2 where k is outlet blade angle
d. (4+cos k)/2 where k is outlet blade angle