Surveying
The angular distance of a heavenly body from the equator, measured along its meridian, is called

Co-latitude
Declination
Altitude
Zenith distance

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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

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

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Surveying
The length of a chain is measured from

inside of one handle to inside of other handle
outside of one handle to inside of other handle
centre of one handle to centre of other handle
outside of one handle to outside of other handle

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