FLUID MECHANICS MCQS SET 02

FLUID MECHANICS MCQS SET 02

1. Impulse turbine is generally fitted at ______________
a) At the level of tail race
b) Above the tail race
c) Below the tail race
d) About 2.5mts above tail race to avoid cavitations.
 
Answer: b

2. Hydraulic energy is converted into another form of energy by hydraulic machines. What form of energy is that?
a) Mechanical Energy
b) Electrical Energy
c) Nuclear Energy
d) Elastic Energy
 
Answer: a

3. In hydraulic turbines, inlet energy is greater than the outlet energy.
a) True
b) False
 
Answer: a

4. Which principle is used in Hydraulic Turbines?
a) Faraday law
b) Newton’s second law
c) Charles law
d) Braggs law
 
Answer: b

5. Buckets and blades used in a turbine are used to:
a) Alter the direction of water
b) Switch off the turbine
c) To regulate the wind speed
d) To regenerate the power
 
Answer: a

6. _______________is the electric power obtained from the energy of the water.
a) Roto dynamic power
b) Thermal power
c) Nuclear power
d) Hydroelectric power
 
Answer: d

7. Which energy generated in a turbine is used to run electric power generator linked to the turbine shaft?
a) Mechanical Energy
b) Potential Energy
c) Elastic Energy
d) Kinetic Energy
 
Answer: a

8. Hydraulic Machines fall under the category :
a) Pulverizers
b) Kinetic machinery
c) Condensers
d) Roto-dynamic machinery
 
Answer: d

9. Which kind of turbines changes the pressure of the water entered through it?
a) Reaction turbines
b) Impulse turbines
c) Reactive turbines
d) Kinetic turbines
 
Answer: a

10. Which type of turbine is used to change the velocity of the water through its flow?
a) Kinetic turbines
b) Axial flow turbines
c) Impulse turbines
d) Reaction turbines
 
Answer: c