Renewable Energy Engineering (2181910) MCQs

MCQs of Wind Energy

Showing 41 to 50 out of 81 Questions
2 3 4 5 6 7
41.
A rotor installed in a fixed orientation with the swept area perpendicular to the pre dominate wind direction is called ______
(a) nacelle
(b) yaw fixed machines
(c) blades
(d) anemometer
Answer:

Option (b)

42.
The Nacelle of windmill houses
(a) gearbox
(b) brakes
(c) generator
(d) all of the above
Answer:

Option (d)

43.
Yaw control is the part of
(a) solar concentration collector
(b) OTEC devices
(c) biomass energy generator
(d) wind energy conversion system
Answer:

Option (d)

44.
How is the action of yaw controlled in small turbines?
(a) tail vane
(b) blades
(c) shaft
(d) yaw motor
Answer:

Option (a)

45.
Which part of the wind turbines senses wind speed, wind direction, shaft speed and torque?
(a) Turbine blade
(b) Shaft
(c) Rotor
(d) Controller
Answer:

Option (d)

46.
Turbines blades have ____ type cross section to extract energy from wind.
(a) aerofoil
(b) elliptical
(c) rectangular
(d) all of the above
Answer:

Option (a)

47.
The following is the tangential velocity of the blade due to the rotation of blade.
(a) wind velocity
(b) incident wind velocity
(c) blade linear velocity
(d) relative velocity
Answer:

Option (c)

48.
Why recommendation of fixed ratio gears done for top mounted equipment?
(a) Because they are easy install
(b) Requires less space
(c) Due to its low cost
(d) Because of their high efficiency
Answer:

Option (d)

49.
Which type of generator are made use in wind turbines?
(a) Recreational generators
(b) Synchronous generator
(c) Asynchronous generator
(d) Alternator
Answer:

Option (b)

50.
In which part do we find sensors and actuators?
(a) Fixed gears
(b) Turbines
(c) Control systems
(d) Blades
Answer:

Option (c)

Showing 41 to 50 out of 81 Questions
2 3 4 5 6 7