Elements of Remote Sensing MCQ Practice Questions (Civil) Set 2

Depending upon the nature of the targeted object and the wave length of the electromagnetic radiation incident on it, the radiation gets:


Options are :

  • Transmitted through
  • Reflected
  • Absorbed
  • Re-radiated
  • All of these

Answer :All of these

Concrete Technology MCQ Practice Questions (Civil Eng) Set 7

Snow albedo is affected by:


Options are :

  • Wave length
  • Grain size
  • All of these
  • Snow pack thickness
  • Solar zenith angle

Answer :All of these

The energy transported by the electromagnetic wave is proportional to:


Options are :

  • The cube of the altitude of the wave
  • The square roof of the amplitude
  • The altitude of the wave
  • The square of the altitude of the wave

Answer :The square of the altitude of the wave

The main functional blocks of a mul-tispectral scanner (MSS) are given below:


1. Video processor

2. Dispersive system

3. Detector

4. Signal conditioner

5. Collecting optics

Which one of the following sequences is correct ?


Options are :

  • 1, 4, 5, 3, 2
  • 5, 3, 2, 4, 1
  • 1, 3, 2, 4, 5
  • 5, 2, 3, 1, 4

Answer :5, 2, 3, 1, 4

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 3

Polarising angle (i) and refractive index (?) of the reflecting surface are related by:


A.

sin i = ?


B.

cos i = ?


C.

tan i = ?


D.


Options are :

  • A
  • B
  • C
  • D

Answer :C

Identification of crops is affected by:


Options are :

  • The spectral characteristics of the sensor
  • All of these
  • The spatial characteristics of the sensor
  • The radio metric characteristics of the sensor

Answer :All of these

'A time varying magnetic field produces an electric field'. This phenomenon is known as:


Options are :

  • Newton's law
  • Kirchoff law
  • Faraday's law
  • Ampere Maxwell law

Answer :Faraday's law

Elements of Remote Sensing MCQ Practice Questions (Civil) Set 2

The solid angle subtended by the sphere is:


Options are :

  • 6?
  • 4?
  • 3?
  • 2?

Answer :4?

Snow cover on the earth surface:


Options are :

  • All the above
  • Shows side variation in the grain size
  • Gives the highest reflectance in the visible spectrum
  • Shows marked variation in its reflectance characteristics

Answer :All the above

Which one of the following can travel through empty space:


Options are :

  • Water waves
  • Spring waves
  • Electromagnetic waves
  • Sound waves

Answer :Electromagnetic waves

Hydraulics MCQ Practice Questions (Civil Engineering) Set 4

A remote sensor photographic camera:


Options are :

  • Responses spectrum up to about 0.9 ?
  • All the above
  • Does not cover short wave IR region
  • Does not cover thermal IR region

Answer :All the above

Which one of the following is incorrect statement? While passing through the atmosphere, the solar radiation:


Options are :

  • Remains unaffected
  • None of these
  • Gets scattered
  • Gets absorbed partially

Answer :Remains unaffected

The various stages of formation of snow are listed below:


1. Formation of ice crystals

2. Formation of snow pallets

3. Formation of snow flakes

4. Formationof snow crystals

5. Formation of rimed crystals

Which one of the following sequences is correct  ?


Options are :

  • 1, 3, 4, 2, 5
  • 3, 2, 5, 1, 4
  • 1, 4, 3, 5, 2
  • 5, 3, 1, 2, 4

Answer :1, 4, 3, 5, 2

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 7

For obtaining accurate distance of the satellite:


Options are :

  • The signal arrival time is corrected for tropospheric and ionospheric delays
  • The carrier phase measurement technique is adopted
  • All of these
  • The GPS receiver slides its codes backwards until it synchronises with the satellite signals

Answer :The carrier phase measurement technique is adopted

Assuming n as the frequency of radiation, n0 as the threshold frequency and k as a constant, the energy of the photo-electrons (E) is related as:


A.

E = k (n - n0)


B.

E = k (n + n0)


C.

E = k (n x n0)


D.


Options are :

  • C
  • A
  • D
  • B

Answer :A

Pick up the correct statement from the following:


Options are :

  • The distance between two successive crests or troughs of a wave, is called, the wave length
  • The length of the crest from the mid point, is called amplitude
  • The wave length is generally denoted by ?
  • The wave length is measured in metres and a fraction of a metre
  • All of these

Answer :All of these

Irrigation MCQ Practice Questions (Civil Engineering) Set 4

Which one of the following statements regarding remote sensing is correct:


Options are :

  • The interaction of the electromagnetic radiation with the target
  • The emission of electromagnetic radiation from the target
  • None of these

Answer :The interaction of the electromagnetic radiation with the target The emission of electromagnetic radiation from the target

The most widely used antenna in GPS is:


Options are :

  • Slotted antenna
  • Horn antenna
  • Parabolid antenna
  • Microstrip antenna

Answer :Microstrip antenna

Which one of the following statements is correct ?


Options are :

  • All of these
  • The effect of grain size on reflection is maximum in the near-IR region
  • The effect of grain size on reflection is low in the visible region of the spectrum
  • Snow albedo falls at all wave length with the increase of grain size

Answer :All of these

Concrete Technology MCQ Practice Questions (Civil Eng) Set 2

The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called:


Options are :

  • Spectral variation
  • Spatial variation
  • Temporal variation
  • None of these

Answer :Spatial variation

Pick up the correct statement from the following:


Options are :

  • All of these
  • Indian Space Research Organisation (ISRO) is responsible for the space technology and its application to various activities
  • Indian space effort started in 1962 with the establishment of a rocket
  • Development of space (DOS) was established by the Government of India in 1972

Answer :All of these

Which one of the following parameters is considered to determine the reflectance of a vegetation canopy:


Options are :

  • Azimuth angle
  • Number and arrangement of leaves
  • Solar zenith angle
  • Look angle
  • All of these

Answer :All of these

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 9

Leaf reflactance depends primarily on:


Options are :

  • Internal cell structure
  • Equivalent water content
  • The pigments
  • All of these

Answer :All of these

A perfectly black body:


Options are :

  • Absorbs all the radiations of every wave lengths
  • Is a diffuse emitter
  • All the above
  • Emits power of every wave length

Answer :All the above

In the given figure the phase of:



Options are :

  • All of these
  • Crest A is ?/2
  • B crossing is ?
  • Trough C is 3 ?/2

Answer :All of these

Irrigation MCQ Practice Questions (Civil Engineering) Set 4

The refractive index of the ocean water:


Options are :

  • Decreases with temperature
  • Decreases with salinity
  • Increases with salinity
  • Increases with temperature

Answer :Increases with salinity

Pick up the correct statement from the following:


Options are :

  • Phase of a wave is expressed as a fraction of a period with respect to a refrence
  • The reference for finding the phase of a wave is taken from the previous passage through zero from the negative to the positive direction
  • Phase is usually specified by angular measure with one period being 360
  • All of these

Answer :All of these

Due to pertubation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its:


Options are :

  • Five ground stations
  • Three ground stations
  • Six ground stations
  • Four ground stations

Answer :Five ground stations

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 5

The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target:


Options are :

  • Increases both the contrast and sharpness
  • Increases the contrast of the image but reduces the sharpness
  • Reduces the contrast of the image and also its sharpness
  • Reduces the contrast but increases the sharpness

Answer :Reduces the contrast of the image and also its sharpness

Pick up the correct statement from the following:


Options are :

  • Spatial resolution of the imaging system becomes poorer with increase of platform height
  • In remote sensing technique, the observation place, is called a platform
  • Area coverage of the imaging system increases with the increase of the platform altitude
  • All of these
  • Platforms may be either stationary or mobile

Answer :All of these

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