NTSE SAT Physics Sources Of Energy MCQs

Question: Which of the following has the least calorific value ?

• a) Coal
• b) Petrol
• c) Diesel
• d) Natural gas

Answer: Coal

Question: Which of the following is not a high wind-energy region of India ?

• a) Bay of Bengal
• b) The Arabian sea Islands
• c) Gujarat
• d) Punjab

Answer: Punjab

Question: Biogas is a mixture of :

• a) CO + H2 + CH4  
• b) CO + H2
• c) CO2 + CH4 + H2 + H2S 
• d) CO2 + N2

Answer: CO2 + CH4 + H2 + H2S 

Question: Radiations which are harmful to the living organisms are :

• a) Infra-red-radiations
• b) Ultraviolet radiations
• c) Visible light
• d) Micro-wave

Answer: Ultraviolet radiations

Question: The energy which is not derived from the sun is :

• a) Biomass
• b) Fossil fuels
• c) Hydroelectricity
• d) Geothermal energy

Answer: Geothermal energy

Question: Which of the following is an example of spontaneous combustion ?

• a) Burring of liquefied petroleum gas
• b) Fire caused in coal mines
• c) Dry white phosphorous liberates white fumes on exposure to air.
• d) All of these

Answer: Dry white phosphorous liberates white fumes on exposure to air.

Question: Choose the correct one :

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: From the following, the fuel having greatest calorific value is :

• a) Petrol
• b) Kerosene
• c) Biogas
• d) Coke

Answer: Petrol

Question: All fuels are mostly compound of :

• a) Carbon
• b) Hydrogen
• c) Nitrogen
• d) Oxygen

Answer: Carbon

Question: The country ranks first in the world to reduce electricity from wind is :

• a) India
• b) USA
• c) Denmark
• d) Japan

Answer: Denmark