Surveying
Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year

Thrice
Twice
Four times
Once

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Sidereal day

All listed here
Is the period of time taken by the earth in making a complete rotation with reference to stars
Is divided into the conventional hours, minutes and seconds
Is slightly shorter than an ordinary solar day

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 levelThe correct answer is

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

ANSWER DOWNLOAD EXAMIANS APP