Renewable Sources of Energy Mcqs

This set of Engineering Multiple Choice Questions & Answers (MCQs) focuses on “ Renewable Sources of Energy ”. These Mcqs are chosen from a collection of most authoritative and best reference books on Chemical Engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Renewable Sources of Energy comprehensively.

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Sciences MCQS

1.
Energy may be defined as

The capacity to do work

The product of mass and acceleration

The rate of doing work

The product of force and velocity

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2.
Sun radiates energy to the earth

In the form of electromagnetic radiation

At a relatively constant rate of 3.83 x 1026 W

24 hours per day 365 day of the year

All of the above

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3.
Most of the electromagnetic radiation reaching the earth emanates from the

Corona

Chromoshpere

Photoshere

Suns interior

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4.
Compared to the photosphere the corona region is characterized by

Low density gas misture

Higher temperature

Variation in energy and diameter with time

All of the above

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5.
The angle subtended by a vertical line to the zenith (i.e. the point direct5ly overhead) and the line of sight to the sun is called

Zenth angle

Declination angle

Hour angle

Iatitude angle

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7.
Solar photovoltaic energy sources produce

AC electricity

DC electricity

Both and a and b

Neither a nor b

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8.
The two major consitituents of the sun are

Helium and hydrogen

Oxygen and nitrogen

Helium and carbon dioxide

Oxygen and hydrogen

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9.
The two major consitituents of the sun are helium and hydrogen. The percentage of the helium by volume in the sun is about

74

25

99

52

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10.
The sun exists in a state of equilibrium between the force of gravitation and

The outward radiation pressure from fusion reactions

The outward force due to nuclear fission

The centrifugal force due to its rotation

None of the above

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11.
Most of the suns energy results from

Thermonuclear reactions

Chemical reactions

Gravity

None of the above

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12.
The wavelength of which of the following is the largest?

Radio waves

Light waves

X-ray waves

Gamma ray waves

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13.
When light wave passes from air into glass the ray describing the motion of the wave front changes direction according to Snells law of refraction and the light ray

Is bent toward the normal to the glass surface

Is bent away from the normal to the glass surface

Does not bend at all

Completely reflected at the air-glass interface

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14.
A pane of glass reflects 5% of the incident light and absorbs 10%. The amount of light transmitted is

95%

85%

90%

15%

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15.
As the temperature of a hot glowing object increases the wavelength at the maximum of the blackbody radiation curve

Increases

Decreases

Remains the same

Increases linearly

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