Surveying
With standard meridian as 82° 30' E the standard time at longitude 90° E is 8 h 30 m. The local mean time at the place will be

8 h 00 m
7 h 30 m
7 h 00 m
9 h 00 m

ANSWER DOWNLOAD EXAMIANS APP

Surveying
If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a level The correct answer is

both (ii) and (iii)
only (i)
both (i) and (iv)
only (iii)

ANSWER DOWNLOAD EXAMIANS APP