Surveying

Q: The ratio of the angles subtended at the eye, by the virtual image and the object, is known as telescope's

(a) :  resolving power
(b) :  brightness
(c) :  field of view
(d) :  magnification
(e) :  None of these
Answer:  magnification
Explanation:  

Q: Metric chains are generally available in

(a) :  10 m and 20 m length
(b) :  15 m and 20 m length
(c) :  20 m and 30 m length
(d) :  25 m and 100 m length
(e) :  None of these
Answer:  20 m and 30 m length
Explanation:  

Q: ABCD is a rectangular plot of land. If the bearing of the side AB is 75°, the bearing of DC is

(a) :  75°
(b) :  100°
(c) :  150°
(d) :  200°
(e) :  None of these
Answer:  75°
Explanation:  

Q: Diurnal variation of magnetic declination is

(a) :  greater at equator than nearer the poles
(b) :  less at equator than nearer the poles
(c) :  less in summer than in winter
(d) :  same at all latitudes and during different months.
(e) :  None of these
Answer:  less at equator than nearer the poles
Explanation:  

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