ENERGY CONSERVATION - Round 1

Which among the following is the most energy-efficient?

• • A.

    Incandescent bulb

• • B.

  • Fluorescent tube light

• • C.

    Compact fluorescent lamp

• • D.

    All are equally efficient.

Tags

NGSS.MS-ETS1-3

• 
  In India and elsewhere, biomass can be obtained from

• • A.

    Groundnut shells

• • B.

    Sugarcane bagasse

• • C.

    Rice husk

• • D.

    All of the above

In rural areas, this gas can be generated and used for cooking and lighting.

• • 
    A.

    Biogas

• • B.

    Oxygen

• • C.

    Ammonia

• • D.

    None of these

Tags

NGSS.MS-ETS1-2

Large amounts of solar energy are stored in the oceans and seas. The process of harnessing this energy is called

• • 
    A.

    OTEC (ocean thermal energy conversion)

• • B.

    OTC (ocean thermal conversion)

• • C.

    OSTEC (ocean and sea thermal energy conversion)

• • D.

    OTEC(Ocean technology of energy conversion)

Tags

NGSS.MS-PS3-3

 Some people disapprove of wind turbines because:

• • A.

    They do not like windmills.

• • B.

    They get in the way of photographs.

• • C.

    Wind farms are not real farms.

• • D.

    They are often built in areas of natural beauty.

Natural gas is transported mainly by

• • A.

    Pipelines

• • B.

    Trucks

• • C.

    Auto rickshaw

• • D.

    All three equally

How much of the energy in burning coal reaches the consumer as electricity?

• • A.

    1/3 (one-third)

• • B.

    1/2 (one-half)

• • C.

    3/4 (three-quarters)

• • D.

    9/10 (nine-tenths)

Tags

NGSS.HS-PS3-3

The state’s and citizens’ responsibilities for environmental protection is enshrined in the Constitution of India in the following two articles:

• • A.

    38G and 58A

• • B.

    55B and 51D

• • C.

    48A and 51G

• • D.

    59B and 12D

Tags

NGSS.MS-ESS3-4

A device is fitted to motor vehicles to chemically reduce some gasses produced by internal combustion engines like NOx, CO, and HC into less harmful products. Name this device.

• • 
    A.

    Catalytic converter

• • B.

    2-stroke engines

• • C.

    Carburetor

• • D.

    Tailpipe

Tags

NGSS.MS-ESS3-3

NGSS.MS-PS1-2

.………………..of power consumed by incandescent bulbs gets wasted in the form of heat.

• • A.

    60%

• • B.

    75%

• • C.

    85%

• • D.

    50%