Civil Engineering MCQs

2965 MCQs  (Page 223 of 297)

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
Electromagnetic radiation_______________?
A. Produces a time varying magnetic field and vice versa
B. Once generated, remains self-propagating
C. Is capable to travel across space
D. All of these
Earth observations from a satellite platform provide____________?
A. Synoptic view of a large area
B. Constant solar zenith angles and similar illumination conditions
C. Repetitive observations of the same area with intervals of a few minutes to a few weeks
D. All of these
The value of energy quantum for radiation of any frequency is proportional to________________?
A. The frequency
B. The reciprocal of the energy
C. The square of the frequency
D. The square root of the frequency
Which one of the following geometric errors of satellite sensors is random ?
A. Scan skew
B. Panoramic distortion
C. Earth rotation
D. Altitude variation
Which one of the following frequency regions is a part of sun’s radiation ?
A. Ultraviolet frequency region
B. Infrared frequency region
C. Radio frequency region
D. All of these