Practice Test: Question Set - 07
1. Electromagnetic radiation:
- (A) Produces a
time varying magnetic field and vice versa
- (B) Once
generated, remains self-propagating
- (C) Is
capable to travel across space
- (D) All of these
2. Which one of the following residual biases involves the GPS accuracy?
- (A) Satellite
dependent biases due to uncertainty in the orbital parameters of the satellite
- (B) Receiver-dependent
biases due to clock stability with line
- (C) Signal
propagation biases due to the sphere and troposphere propagation
- (D) All the
above
3. ‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct?
- (A) Height
displacement of A will be less than that of B
- (B) Height
displacement of B will be less than that of A
- (C) Height
displacement of A and B is equal
- (D) Height
displacement of A and B will be towards each
other
4. The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from:
- (A) 10-10 to
106 m
- (B) 10-8 to
106 m
- (C) 10-10 to
1010 m
- (D) 10-8 to
108 m
5. Consider the following statements regarding the satellite imaging:
1. The satellite orbit is fixed in the inertial space
2. During successive across-track imaging, the earth rotates beneath the sensor
3. The satellite images a skewed area
Which one of the following statements is/are correct?
2. During successive across-track imaging, the earth rotates beneath the sensor
3. The satellite images a skewed area
Which one of the following statements is/are correct?
- (A) 1, 2, 3
- (B) 1, 3
- (C) 2, 3
- (D) 1, 2
6. The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is :
- (A) 8
- (B) 12
- (C) 16
- (D) 24
7. Pick up the important characteristic of a target which facilitates its identification from the following:
- (A) Spectral
variation
- (B) Spatial
variation
- (C) Temporal
variation
- (D) All of these
8. Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).
- (A) h > λ/Δ cos θ
- (B) h = λ/8 cos θ
- (C) h > λ/8 cos θ
- (D) h < λ/8 cos θ
9. The value of energy quantum for radiation of any frequency is proportional to:
- (A) The
frequency
- (B) The
reciprocal of the energy
- (C) The square
of the frequency
- (D) The square
root of the frequency
10. Which one of the following statements is correct?
- (A) The function
of an information system is to improve one’s ability to make decisions
- (B) The
information system is the chain of operations
- (C) A
map is a collection of stored, analyzed data, its stored information is
suitability used in making decisions
- (D) All the
above
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