Explore topic-wise MCQs in Energy Engineering.

This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Which type of vertical wind machine has relatively low solidity and low starting torques?

A. Cup anemometer
B. Savonius rotor
C. Darrieus type rotor
D. Magnus effect rotor
Answer» D. Magnus effect rotor
2.

What form of force acts on the blades of Darrieus machine?

A. Pure tension
B. Compression
C. Shear force
D. Air resistance force
Answer» B. Compression
3.

When was the Darrieus type machine invented?

A. 1925
B. 1932
C. 1929
D. 1948
Answer» B. 1932
4.

WHEN_WAS_THE_DARRIEUS_TYPE_MACHINE_INVENTED??$

A. 1925
B. 1932
C. 1929
D. 1948
Answer» B. 1932
5.

Which type of vertical wind machine has relatively low solidity and low starting torques?$

A. Cup anemometer
B. Savonius rotor
C. Darrieus type rotor
D. Magnus effect rotor
Answer» D. Magnus effect rotor
6.

What_form_of_force_acts_on_the_blades_of_Darrieus_machine?$

A. Pure tension
B. Compression
C. Shear force
D. Air resistance force
Answer» B. Compression
7.

Aero turbine is the fraction of power in the wind through the swept area which is converted into useful mechanical shaft power is called _____________

A. Coefficient of performance
B. Coefficient of variation
C. Coefficient of lift
D. Coefficient of spin
Answer» B. Coefficient of variation
8.

Which type of vertical wind machine consists of spinning cylinders?

A. Cup anemometer
B. Savonius rotor
C. Darrieus type rotor
D. Magnus effect rotor
Answer» E.
9.

Why is Savonius rotor not suitable for installation?

A. Because of long drive shaft
B. Because of its low capacity motor
C. Because of its typical blade design
D. Due to the light material it is made of
Answer» B. Because of its low capacity motor
10.

Which type of axis does a Savonius Rotor has?

A. Horizontal axis
B. Mediolateral axis
C. Vertical axis
D. Lateral Axis
Answer» D. Lateral Axis
11.

Which of the following type of turbine or the rotor requires relatively low velocity winds for operation?

A. Cup anemometer
B. Savonius rotor
C. Darrieus type rotor
D. Magnus effect rotor
Answer» C. Darrieus type rotor
12.

What units does the anemometer measure in?

A. Feet per minute
B. Liters per minute
C. Centimeters per minute
D. Meter per seconds
Answer» B. Liters per minute
13.

Which is the device that measures wind direction and its intensity?

A. Wind socks
B. Weather vane
C. Pin wheels
D. Anemometers
Answer» E.
14.

Which is the wind direction showing device that spins perpendicularly?

A. Wind socks
B. Weather vane
C. Pin wheels
D. Anemometers
Answer» D. Anemometers
15.

A device which is used as device for showing direction wind as well used as a decorative purpose?

A. Wind socks
B. Weather vane
C. Pin wheels
D. Anemometers
Answer» C. Pin wheels
16.

In which wind measuring device a tubular piece of thin flexible fabric hanged vertically to determine direction?

A. Wind socks
B. Weather vane
C. Pin wheels
D. Anemometers
Answer» B. Weather vane