Civil Engineering MCQs

2965 MCQs  (Page 221 of 297)

Which one of the following quantities forms the basis of radiometry ?
A. Radiant energy (q)
B. Radiant flux (φe )
C. Radiant intensity (i)
D. All of these
Electromagnetic spectrum contains________________?
A. Gamma rays (wave length < 10-10 m)
B. Ultraviolet rays (wave length < 10-6 m)
C. Infrared rays (wave length < 10 -4 m)
D. 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)________________?
A. The angle of incidence is equal to the angle of refraction
B. The angle of refraction r) is given by sin i
C. Both a. and b.
D. Neither a. nor b.
Pick up the correct definition from the following with response to GIS_______________?
A. Common boundary 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
The various stages occuring in GPS system are described below ?
A. 1. generation of an output to the user
B. 2. detection of the gps signals
C. 3. processing the data in the built-in-computer
D. 4. decoding the gps signal
The code based GPS receivers are generally used for_________________?
A. Vehicle tracking
B. Land navigation
C. Trans movement
D. All of these
While propagating through homogeneous, isotropic media_________________?
A. Directions of both the fields are orthogonal
B. Both the fields are at right angles to the direction of propagation
C. Both a. and b.
D. Neither a. nor b.
Geodimeter is based on_________________?
A. Propagation of modulated light waves
B. Propagation of infrared radiation
C. The light as carrier with frequency of the order of 5 × 1014 hz
D. High frequency radio waves