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objective Ques (30 results)
1)

Energy can neither be created nor destroyed but still everybody discuss about the energy crisis because

A)

Energy transform into different form continuously.

B)

Usable form of energy is dissipated to the surroundings in less usable forms.

C)

Energy is consumed and cannot be used again.

D)

All of these

2)

An ideal source of energy should have

A)

higher calorific value

B)

easy transportability

C)

easy accessibility

D)

All of these

3)

Fossile fuels are

A)

non-renewable source of energy

B)

renewable source of energy

C)

 both (a) and (b)

D)

Neither (a) nor (b)

4)

Dead organisms are transformed into petroleum and natural gas in
 

A)

presence of air

B)

absence of air

C)

presence of sunlight

D)

none of the above

5)

Which of the following problem is associated with a burning of coal?

A)

Carbon-dioxide emission

B)

acid rain

C)

ash with toxic metal supurity

D)

all of these.

6)

Select the important factor for the site selection of a thermal power plant.

A)

Distance from the populated area

B)

Availability of fuel

C)

Availability’ of water

D)

Cost of plant

7)

Hydropower plant are located in the

A)

desert area

B)

plane area

C)

hilly terrains

D)

none-of above

8)

Biogas is a better fuel than animal dung cake because

A)

biogas has lower calorific value

B)

animal dung cake has high calorific value

C)

biogas bums smoke and leaves no residue

D)

biogas is used as a fuel for cooking only wheareas dung cake can be used for cooking, illuminant the lanterns

9)

Which of the following organism produces biogas from cow drug sherry in the biogas plant?

A)

aerobic bectria

B)

anaerobic bectria

C)

prolozoa

D)

fungi

10)

Wind is caused due to

A)

uneven heating of earth’s surface

B)

rotation of earth

C)

local conditions

D)

All of these

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