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Todays' Thought
Those who cannot change their minds cannot change anything.
- George Bernard Shaw
जो अपना दिमाग नहीं बदल सकते वे कुछ भी नहीं बदल सकते |
- जार्ज बर्नार्ड शा


    Agricultural Engineering : Energy In Agriculture

1.

The energy source which provide a net supply of energy

A.  Primary energy sources
B.  Secondary energy sources
C.  Renewable energy sources
D.  All of these

2.
Which of the following forms of energy is a renewable resource?
A.  Synthetic oil
B.  Breeder fission
C.  Biomass
D.  Oil shale

3.

Which of the following forms of energy was a low long-term (next 50 years) estimated availability?

A.  Low-temperature heating from solar energy
B.  Synthetic oil and alcohols from coal
C.  Photovoltaic production of electricity
D.  Coal

4.
The energy sources which whose net energy yield is zero
A.  Primary energy sources
B.  Secondary energy sources
C.  Supplementary energy sources
D.  All of these

5.
The energy sources which produce no net energy
A.  Secondary energy sources
B.  Primary sources
C.  Commercial energy
D.  Non- commercial energy

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