Practice test

Remote sensing and gis - Test Set 1

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Remote sensing uses which of the following waves in its procedure?
    1. Electric field
    2. Electro-magnetic waves
    3. Gamma- rays
    4. Sonar waves
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  2. Question 2

    Which of the following is not a principle of remote sensing?
    1. Electromagnetic energy
    2. Electro-magnetic spectrum
    3. Interaction of energy with atmosphere
    4. Interaction of energy with satellite
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  3. Question 3

    Which among the following waves is having less wavelength range?
    1. 0.03mm
    2. 0.03nm
    3. 0.03m
    4. 0.03km
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  4. Question 4

    The relation between velocity, wavelength and frequency can be given as _________
    1. λ = c / r
    2. λ = c / h
    3. λ = c / f
    4. λ = h*c / f
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  5. Question 5

    In visible region, the blue light is having a wave length range of:
    1. 0.22-0.32 micrometer
    2. 0.42-0.92 micrometer
    3. 0.24-0.52 micrometer
    4. 0.42-0.52 micrometer
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  6. Question 6

    Among the following, which describes Stefan- Boltzmann formula?
    1. M = σ/T4
    2. M = σ-T4
    3. M = σ+T4
    4. M = σ*T4
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  7. Question 7

    Which of the following field is used by the EM waves?
    1. Solar field
    2. Polarized field
    3. Electric field
    4. Micro field
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  8. Question 8

    Which of the following is not a classification of scattering principle?
    1. Rayleigh scattering
    2. Mie scattering
    3. Faraday scattering
    4. Faraday scattering
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  9. Question 9

    Which of the following can act as an example for air-borne platform?
    1. Dakota
    2. MOS
    3. LISS-II
    4. LISS-III
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  10. Question 10

    Polar orbiting satellites are generally placed at an altitude range of __________
    1. 7000-15000km
    2. 700-1500km
    3. 70-150km
    4. 7-15km
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  11. Question 11

    Which of the following sensors on board of the Indian Remote Sensing satellites is capable of monitoring dynamic phenomenon such as forest fire?
    1. PAN
    2. LISS I
    3. WiFS
    4. MOS
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  12. Question 12

    Consider the following statements:

    1.The Global Positioning System (GPS) helps identify the latitudinal and longitudinal location of an object on Earth.
    2.GPS is only used to determine the location of stationary objects.
    3.GPS technology is widely used in various vehicles, including airplanes and ships.
    Which of the above statements is/are correct?
    1. Only 1 is correct
    2. Only 2 and 3 are correct
    3. Only 1 and 3 are correct
    4. All the statements are correct
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  13. Question 13

    What is meant by GPS?
    1. Geographic Positional System
    2. Geographic Processing System
    3. Global Processing System
    4. Global Positioning System
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  14. Question 14

    Which of the following is NOT a function of GPS?
    1. Measurement of earthwork
    2. Moving from one location to another
    3. Monitoring of any object or personal movement
    4. Measuring precise time
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  15. Question 15

    The system that uses the Sun as a source of electromagnetic energy and records the naturally radiated and reflected energy from the object is called:
    1. Global Positioning System
    2. Passive Remote Sensing
    3. Active Remote Sensing
    4. Geographical Information System
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  16. Question 16

    Which of the following is NOT a use of total station?
    1. Weather forecasting
    2. Area computation
    3. Point location
    4. Remote distance and elevation measurement
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  17. Question 17

    The minimum number of satellites needed for a GPS to determine its position precisely is:
    1. 2
    2. 3
    3. 4
    4. 5
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  18. Question 18

    What are the numbers of orbital planes and satellites in one orbit for a GPS, respectively?
    1. Three and Four.
    2. Four and Twenty-eight.
    3. Six and Four.
    4. Twenty-four and Six.
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  19. Question 19

    Select the example of Active sensor in Remote sensing, from the following sensor:
    1. Laser scanner.
    2. Television camera.
    3. Electro-optical scanner.
    4. Return Beam Vidicon.
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  20. Question 20

    Select the INCORRECT statement from the following, regarding GPS:
    1. GPS can provide three-dimensional positioning system.
    2. A TRANSIT user at the equator can obtain a position fix at the average of about 10 minutes.
    3. In GPS, satellites are placed in orbits with orbital radius approximately of 1500 Km.
    4. The satellite constellation of GPS consists of 24 satellites.
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