Renewable Energy Mock Test 6

10%

Question 1 of 10

1. What is geostrophic wind?

Wind generated due to balance between pressure gradient force and Coriolis force

A special wind generated from geothermal energy

Wind generated due to disbalance between wind forces and Coriolis force

Wind flowing in stratosphere

Question 1 of 10

Question 2 of 10

2. What are periodic winds?

Winds that change their direction periodically with the change in season

Westerly winds

Winds that do not change their direction periodically with the change in season

Trade winds

Question 2 of 10

Question 3 of 10

3. What is blade element momentum theory?

It talks about the motion of a body in a given frame of reference

It is same as blade element theory

It is used to calculate the local forces on the propeller or blade

It is same as momentum theory

Question 3 of 10

Question 4 of 10

4. The speed at the tip of the blade is faster than its center.

False

True

Question 4 of 10

Question 5 of 10

5. Which of the following can make a good wind site?

A national sanctuary with wildlife

A city

A village

A barren land with wind speed of 6 on beaufort scale

Question 5 of 10

Question 6 of 10

6. What does tip speed ratio (TSR) depend on?

Wind tower material

Rotor blade shape profile

Motor material

Different types of gases

Question 6 of 10

Question 7 of 10

7. What is the definition of wind?

Air in net motion

Stationary gas molecules

Gas molecules in random motion

Air in motion

Question 7 of 10

Question 8 of 10

8. Why should longer turbine blades be made of stronger materials?

Longer turbine blades experience greater forces

Longer turbine blades experience lesser forces

Stronger materials are cheaper

Stronger materials are available in abundance

Question 8 of 10

Question 9 of 10

9. Which of the following is a potential application of wind energy?

Converting heat to wind energy

Converting electrical energy to wind energy

Transportation of electrical energy

Converting the wind flow due to speeding cars into electricity on highways

Question 9 of 10

Question 10 of 10

10. The airfoil/curve blade designs are affected by drag along its length.

True

False

Question 10 of 10