Top 250+ Solved Fluid Mechanics and Machinery MCQ Questions Answer
Q. A hydraulic coupling belongs to the category of
a. energy absorbing machines
b. energy generating machines
c. power absorbing machines
d. energy transfer machines
Q. The electric power which is obtained from hydraulic energy
a. thermal power
b. mechanical power
c. solar power
d. hydroelectric power
Q. At present which is cheapest means of generating power
a. thermal power
b. nuclear power
c. hydroelectric power
d. electric power
Q. is an inward radial flow reaction turbine?
a. pelton turbine
b. kaplan turbine
c. francis turbine
d. propeller turbine
Q. is a axial flow reaction turbines, if vanes are fixed to hub of turbine
a. propeller turbine
b. francis turbine
c. kaplan turbine
d. pelton turbine
Q. Francis and Kaplan turbines are known as
a. impulse turbine
b. reaction turbine
c. axial flow turbine
d. mixed flow turbine
Q. Draft tube is also called
a. straight divergent tube
b. simple elbow tube
c. thermal tube
d. elbow tube with varying cross section
Q. A draft tube helps in converting kinetic energy into
a. electrical work
b. mechanical work
c. chemical work
d. thermal work
Q. What is the purpose of a Draft tube?
a. to prevent flow separation
b. to avoid pressure drag
c. to prevent rejection of heat
d. to increase efficiency
Q. Turbine that consists of draft tubes is called as
a. impulse turbine
b. curtis turbine
c. rateau turbine
d. reaction turbine
Q. The exit diameter for a simple elbow draft tube should be
a. large
b. small
c. very small
d. same