Remote Sensing Civil Engineering MCQ - Set 04 - ObjectiveBooks

Remote Sensing Civil Engineering MCQ - Set 04

Practice Test: Question Set - 04

1. Crop Acreage and Production Estimation (CAPE) was funded and taken up in 1983 by:
    (A) USA
    (B) European Union
    (C) Russia
    (D) India

2. 'A time varying electric field produces a magnetic field.' This phenomenon is called:
    (A) Hertz's law
    (B) Ampere Maxwell's law
    (C) Faraday's law
    (D) Kirchoff’s law

3. The changes in the reflectivity/emissivity with time, is called:
    (A) Spectral variation
    (B) Spatial variation
    (C) Temporal variation
    (D) None of these

4. Which one of the following statements is correct?
    (A) Snow albedo falls at all wave length with the increase of grain size
    (B) The effect of grain size on reflection is maximum in the near-IR region
    (C) The effect of grain size on reflection is low in the visible region of the spectrum
    (D) All of these

5. Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its
    (A) Six ground stations
    (B) Five ground stations
    (C) Four ground stations
    (D) Three ground stations

6. Which one of the following helps to identify the objects on the earth surface?
    (A) Atmospheric window
    (B) Signature
    (C) Radiometric error
    (D) None of these

7. Pick up the correct statement from the following:
    (A) Phase of a wave is expressed as a fraction of a period with respect to a reference
    (B) Phase is usually specified by angular measure with one period being 360°
    (C) The reference for finding the phase of a wave is taken from the previous passage through zero from the negative to the positive direction
    (D) All of these

8. The reflection of solar energy is characterized by the water content in the leaf, in the reflective optical infrared:
    (A) Visible (0.4 - 0.7 μm) region
    (B) Near-IR (0.7 - 1.3 μm) region
    (C) Short wave-IR (1.3 - 2.7 μm) region
    (D) None of these

9. The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called:
    (A) Passive remote sensing
    (B) Active remote sensing
    (C) Neutral remote sensing
    (D) None of these

10. For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is:
    (A) Circular orbit
    (B) Sun-synchronous orbit
    (C) Near polar orbit
    (D) None of these

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