Tag: solar power plant

Questions Related to solar power plant

When solar dryer is placed in a sunlight, then :

  1. Air inside it is cooled

  2. Air inside it is heated

  3. Air remain as such

  4. None of these


Correct Option: B
Explanation:

When solar dryer is placed in sunlight then it convert solar energy into heat energy and heat the air inside the solar dryer to a constant temperature.

State whether true or false :
In solar dryer, we can keep dried fruits for longer duration of time.

  1. True

  2. False


Correct Option: A
Explanation:

 Solar dryer is one of the oldest methods of preserving food for later use.  Foods can  be dried in the sun, in an oven or in a food dehydrator by using the right. So we can dried fruits for longer duration of time.

State whether true or false :
Solar dryer works on the principle of conversion of solar energy into heat energy.

  1. True

  2. False


Correct Option: A
Explanation:

The basic function of a solar dryer is to heat air to a constant temperature with solar energy hence Solar dryer works on the principle of conversion of solar energy into heat energy.

State whether true or false :
Solar dryer can be used in night also.

  1. True

  2. False


Correct Option: B
Explanation:

At night there is no sunlight to produce heat energy so we cannot use solar cookers in night.

State whether true or false :
The purpose of glass cover placed on solar dryer is to sustain the heat.

  1. True

  2. False


Correct Option: A

The purpose of black coloured box in a solar dryer is to :

  1. Absorb more heat

  2. Absorb less heat

  3. Reflect light

  4. None of these


Correct Option: A
Explanation:

We use the black coloured box to absorb more heat as black colour is the best absorber for heat among its all colours.

What is the main source of energy for Earth?

  1. Moon

  2. Plants

  3. Humans

  4. Sun


Correct Option: D
Explanation:

Sun is the ultimate source of energy because all renewable and non renewable sources are ultimately derived form sun.

We get solar energy which can be put to many uses. 

Thermal power plants are generally setup near the _______.

  1. Coal- field

  2. Gas- field

  3. Solar park

  4. Oil- field


Correct Option: A
Explanation:

Thermal power plants required coal and oil, which they burn to generate the required power. Since transmission of electricity is more efficient than transporting coal or oil over the same distance,  So thermal power plants are generally located near coal fields.

Which is the first thermal power station of Gujarat?

  1. Kandla

  2. Dhuvaran

  3. Wanakbori

  4. Panandhro


Correct Option: B
Explanation:

Dhuvaran Thermal Power Station is an Oil and Gas power plant located at Khambhat in Anand district, Gujarat. The power plant is under ownership of state owned Gujarat state Electricity limited.This was the first power plant of Gujarat Electricity Board, the parent company of Gujarat State Electricity Corporation Limited.

What is Obra?

  1. Copper project in Rajasthan

  2. Super thermal power project in Uttar Pradesh

  3. Atomic power plant at Kalpakkam

  4. Hydroelectric project in Uttar Pradesh


Correct Option: B