Elements of Remote Sensing MCQ Practice Questions (Civil) Set 5

Which one of the following attributes is not associated with digital maps:


Options are :

  • South arrow
  • Symbology
  • Colour
  • Legends

Answer :South arrow

The object of photo-intepretation is:


Options are :

  • Identification
  • Recognition of objects
  • All of these
  • Judging the significance of objects

Answer :All of these

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

Repetitive observations of the same area at equal interval of time, are useful to monitor the dynamic phenomena:


Options are :

  • Cloud evolution
  • Vegetative cover
  • Snow cover
  • All of these
  • Forest fires

Answer :All of these

The normal altitude of GPS satellite is about:


Options are :

  • 36, 100 km
  • 16, 200 km
  • 24, 400 km
  • 20, 200 km

Answer :20, 200 km

If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height:


A.


B.


C.


D.


Options are :

  • A
  • D
  • C
  • B

Answer :A

Concrete Technology MCQ Practice Questions (Civil Eng) Set 3

If electric permittivity and magnetic permeability of the medium are respectively ? and ?, then the velocity (Cm) of the electromagnetic wave in the medium is given by:


A.


B.


C.


D.

None of these


Options are :

  • D
  • C
  • B
  • A

Answer :B

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:


Options are :

  • None of these
  • Active remote sensing
  • Neutral remote sensing
  • Passive remote sensing

Answer :Active remote sensing

The code based GPS receivers are generally used for:


Options are :

  • All of these
  • Trans movement
  • Vehicle tracking
  • Land navigation

Answer :All of these

Concrete Technology MCQ Practice Questions (Civil Eng) Set 4

While propagating through homogeneous, isotropic media:


Options are :

  • None of these
  • Both the fields are at right angles to the direction of propagation
  • Directions of both the fields are orthogonal

Answer :Both the fields are at right angles to the direction of propagation Directions of both the fields are orthogonal

The optical property of a water body depends on:


Options are :

  • All of these
  • Scattering by the surpended particulate matter
  • Absorption by the suspended particulate matter
  • Absorption by the disolved material

Answer :All of these

Formation of snow occurs if the cloud temperature is:


Options are :

  • Below the freezing point
  • Just above the freezing point
  • At the freezing point
  • None of these

Answer :Below the freezing point

Irrigation MCQ Practice Questions (Civil Engineering) Set 3

According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n1) on an other medium (refractive index m2):


A.

The angle of incidence is equal to the angle of refraction


B.

The angle of refraction (?r) is given by


C.

Both A and B


D.

Neither A nor B


Options are :

  • D
  • A
  • C
  • B

Answer :B

The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called:


Options are :

  • Reflectance factor
  • Albedo
  • None of these
  • Reflectance

Answer :Albedo

Pick up the correct statement from the following:


Options are :

  • All of the above
  • The feature at the principal point has no height displacement
  • For the same feature, the photograph taken from the satellite vertically above the aircraft, the height displacement is lesser than the the aerial photograph
  • The scale of the topography of regions of higher elevation with the same flying height, is larger than that of the area of lower elevation
  • The scale of the aerial photograph depends upon the scale of the topography

Answer :All of the above

Irrigation MCQ Practice Questions (Civil Engineering) Set 1

The altitudinal distance of a geostationary satelite from the earth is about:


Options are :

  • 26, 000 km
  • 36, 000 km
  • 44, 000 km
  • 30, 000 km

Answer :36, 000 km

Which one of the following factors does not affect the scale of the air photographs:


Options are :

  • Ground elevation
  • None of these
  • Focal length
  • Flying height

Answer :None of these

Orbital radius of GPS satellites is approximately:


Options are :

  • 36,000 km
  • 15,200 km
  • 18,400 km
  • 26,600 km

Answer :26,600 km

Construction Management MCQ Practice Questions (Civil Eng) Set 1

Pick up the correct statement from the following:


Options are :

  • All the these
  • The variation of the refractive index with wave length, is called dispersion
  • The refractive index of a medium varies according to the wavelength of the radiation
  • The splitting of colours of white light by passing through a prism, is caused due to dispersion

Answer :All the these

A passive sensor uses:


Options are :

  • Flash light as a source of energy
  • Sun as the source of energy
  • None of these
  • Its own source of energy

Answer :Sun as the source of energy

Due to scan geometery of a satellite sensor:


Options are :

  • The ground distance swept by the senor, IFOV is proportional to sec^(2)?, where ? is the angle of scan measured from the nadir
  • The off-nadir resolution is degraded
  • All of these
  • The details towards the edge of the scan get compressed

Answer :All of these

Concrete Technology MCQ Practice Questions (Civil Eng) Set 2

Pick up the correct statement from the following:


Options are :

  • The changes in the polarisation of the radiation reflected or emitted by an object, is known as polarisation variation
  • A graphical representation of spectral reflectance versis the various growth stages of a crop, depicts a phenologic pattern
  • All of these
  • The degree of polarisation is a characteristic of the object which helps in the identification of the object
  • Signatures only provide statistical nature and are not completely deterministic

Answer :All of these

For interpolation of satellite data used for monitoring dynamic changes that occure on the earth surface, the most suitable orbit for the satellite is:


Options are :

  • Sun-synchronous orbit
  • None of these
  • Circular orbit
  • Near polar orbit

Answer :Sun-synchronous orbit

Geodimeter is based on:


Options are :

  • Propogation of modulated light waves
  • High frequency radio waves
  • The visible light as carrier with frequency of the order of 5 x 10^(14)Hz
  • Propogation of infrared radiation

Answer :Propogation of modulated light waves

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

Pick up the correct statement from the following:


Options are :

  • Amplitude of a wave is the height of its crust from the mid-point
  • Frequency of a wave is measured in Hertz (Hz)
  • All of these
  • The square of the amplitude is proportional to the energy transported by the wave
  • Frequency is the number of wave crests passing a fixed point in one second

Answer :All of these

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