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

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 (i)

both (i) and (iv)

both (ii) and (iii)

only (iii)

only (i)

both (i) and (iv)

both (ii) and (iii)

only (iii)

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Surveying
The main object of the astronomer to obtain

Astronomical latitude

Astronomical bearing

All of these

Astronomical longitude

Astronomical latitude

Astronomical bearing

All of these

Astronomical longitude

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Surveying
The line of collimation method of reduction of levels, does not provide a check on

Reduced levels

Fore sights

Intermediate sights

Back sights

Reduced levels

Fore sights

Intermediate sights

Back sights

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Surveying
Which of the following errors cannot be eliminated by taking both face observations ?

error due to non-parallelism of the axis of telescope level and line of collimation

index error i.e. error due to imperfect adjustment of the vertical circle vernier

error due to horizontal axis not being perpendicular to the vertical axis

None of these

error due to non-parallelism of the axis of telescope level and line of collimation

index error i.e. error due to imperfect adjustment of the vertical circle vernier

error due to horizontal axis not being perpendicular to the vertical axis

None of these

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Surveying
The prismatic compass and surveyor’s compass

both give QB of a line and WCB of a line

both give QB of a line

both give WCB of a line

give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively

both give QB of a line and WCB of a line

both give QB of a line

both give WCB of a line

give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively

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Surveying
The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called

True horizon

Visible horizon

Celestial horizon

Sensible horizon

True horizon

Visible horizon

Celestial horizon

Sensible horizon

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Surveying

Surveying The main object of the astronomer to obtain

Surveying The line of collimation method of reduction of levels, does not provide a check on

Surveying Which of the following errors cannot be eliminated by taking both face observations ?

Surveying The prismatic compass and surveyor’s compass

Surveying The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called

Surveying
The main object of the astronomer to obtain

Surveying
The line of collimation method of reduction of levels, does not provide a check on

Surveying
Which of the following errors cannot be eliminated by taking both face observations ?

Surveying
The prismatic compass and surveyor’s compass

Surveying
The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called