Elements of Remote Sensing MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Elements of Remote Sensing, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Elements of Remote Sensing MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Elements of Remote Sensing mcq questions that explore various aspects of Elements of Remote Sensing problems. Each MCQ is crafted to challenge your understanding of Elements of Remote Sensing principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Elements of Remote Sensing MCQs are your pathway to success in mastering this essential Civil Engineering topic.

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Elements of Remote Sensing MCQs | Page 2 of 15

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Q11.
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

Discuss
Answer: (d).All of these
Q12.
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

Discuss
Answer: (a).Height displacement of A will be less than that of B
Q13.
Remote sensing techniques makes use of the properties of-----emitted, reflected or diffracted by the sensed objects:

a.

electric waves

b.

soundwaves

c.

electromagnetic waves

d.

wind waves

Discuss
Answer: (c).electromagnetic waves
Q14.
Which one of the following parameters is accurate for DGPS.

a.

Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station

b.

Positional accuracies ~ 2 - 5m if rover is less than 2-5 fm from the reference station

c.

Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station

d.

Positional accuracies ~ 5 - 10 m if rover is less than 25 km

Discuss
Answer: (a).Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station
Q15.
The most widely used antenna in GPS is

a.

Parabolid antenna

b.

Microstrip antenna

c.

Horn antenna

d.

Slotted antenna

Discuss
Answer: (b).Microstrip antenna
Q16.
Which one of the following statements regarding remote sensing is correct.

a.

The interaction of the electromagnetic radiation with the target

b.

The emission of electromagnetic radiation from the target

c.

both (a) and (b)

d.

Neither (a) nor (b)

Discuss
Answer: (c).both (a) and (b)
Q17.
Which one of the following residual biases involves the GPS accuracy ?

a.

Satellite dependent baises due to uncertainty in the orbital parameters of the satellite.

b.

Receiver-depandent biases due to clock stability with line

c.

Signal propagation baises due to the sphere and troposphere propogation.

d.

All the above

Discuss
Answer: (d).All the above
Q18.
Pick up the correct definition from the following with response to GIS.

a.

Common boundry between two areas of a locality is known as adjacency.

b.

The area features which are wholly contained within another area feature, is known so containment.

c.

The geometric property which describes the linkage between line features is defined as connectivity.

d.

All of these.

Discuss
Answer: (d).All of these.
Q19.
Which one of the following errors is produced by platform characteristics of the sensor ?

a.

altitude variation

b.

altitude

c.

orbit drift

d.

All of these

Discuss
Answer: (d).All of these
Q20.
The coherence length over which there is a strong relationship between amplitudes is;

a.

directly proportional to the bandwidth

b.

inversely proportional to the bandwidth

c.

the square of the bandwidth

d.

none of these

Discuss
Answer: (b).inversely proportional to the bandwidth
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