37) Biogas plants are suitable for :

metallurgical industries

commercial complexes

rural areas

coal mines

Answer is:

rural areas

Generation of Electrical Energy MCQ - Electrician (Set-1) with Answers

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38) The main by-product of the biogas plant is :

biomass

biogas

organic manure

none of the above

Answer is:

organic manure

39) The disadvantage of renewable sources of energy is :

intermittency

lack of dependability

availability in low energy densities

all of the above

Answer is:

all of the above

40) Wind as a source of power

is non-steady and unreliable

does not possess the basic requirements of any energy source

is plentiful, inexhaustible, renewable and non polluting

all of the above

Answer is:

all of the above

Explanation:

Wind as a source of power
* is non-steady and unreliable
* does not possess the basic requirements of any energy source
* is plentiful, inexhaustible, renewable and non polluting

41) Maximum wind Energy available is proportional to :

air density

cube of the wind velocity

square of the rotor diameter

all of the above

Answer is:

all of the above

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