Civil Engineering MCQs

Page No. 77

While propagating through homogeneous, isotropic media_________________?


aDirections of both the fields are orthogonal


bBoth the fields are at right angles to the direction of propagation


cBoth A. and B.


dNeither A. nor B.


View Answer Both A. and B.

The code based GPS receivers are generally used for_________________?


aVehicle tracking


bLand navigation


c Trans movement


dAll of these


View Answer All of these

The normal altitude of GPS satellite is about________________?


a16,200 km


b20,200 km


c24,400 km


d36,100 km


View Answer 20,200 km

The various stages occuring in GPS system are described below ?


aGeneration of an output to the user


bDetection of the GPS signals


cProcessing the data in the built-in-computer


dAll of the above


View Answer All of the above

Pick up the correct definition from the following with response to GIS_______________?


aCommon boundary between two areas of a locality is known as adjacency


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


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


d All of these


View Answer All of these

According to the Snell’s law if an electromagnetic wave is incident in a medium (refractive index n1) on another medium (refractive index m2)________________?


aThe angle of incidence is equal to the angle of refraction


bThe angle of refraction r) is given by sin i


cBoth A. and B.


dNeither A. nor B.



Electromagnetic spectrum contains________________?


aGamma rays (wave length < 10-10 m)


bUltraviolet rays (wave length < 10-6 m)


cInfrared rays (wave length < 10 -4 m)


dAll of these


View Answer All of these

Which one of the following quantities forms the basis of radiometry ?


aRadiant energy (Q)


bRadiant flux (Φe )


cRadiant intensity (I)


dAll of these


View Answer All of these

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


bSun-synchronous orbit


cNear polar orbit


dNone of these


View Answer Sun-synchronous orbit

The reflection of solar energy is characterised by the water content in the leaf, in the reflective optical infrared______________?


aVisible (0.4 –


b Near-IR (0.7 –


cShort wave-IR (1.3 –


dNone of these



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