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

both (ii) and (iii)

only (i)

both (i) and (iv)

only (iii)

both (ii) and (iii)

only (i)

both (i) and (iv)

only (iii)

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Surveying
The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as

None of these

Observation equation

Normal equation

Conditional equation

None of these

Observation equation

Normal equation

Conditional equation

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Surveying
The angle between the axis of earth and the vertical at the station of observation is called

Astronomical co-latitude

Co-declination of star

Declination of star

Astronomical latitude

Astronomical co-latitude

Co-declination of star

Declination of star

Astronomical latitude

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Surveying
The Polaris describes a small circle round the pole whose radius is approximately

3°

4°

1°

2°

3°

4°

1°

2°

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Surveying
If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated

on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate

on its outer spindle with a relative motion between the vernier and graduated scale of lower plate

on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate

on its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate

on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate

on its outer spindle with a relative motion between the vernier and graduated scale of lower plate

on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate

on its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate

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Surveying
If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by

None of these

tan H = tan φ . cot δ

cos H = tan φ . cot δ

sin H = tan φ . cot δ

None of these

tan H = tan φ . cot δ

cos H = tan φ . cot δ

sin H = tan φ . cot δ

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Surveying

Surveying The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as

Surveying The angle between the axis of earth and the vertical at the station of observation is called

Surveying The Polaris describes a small circle round the pole whose radius is approximately

Surveying If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated

Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by

Surveying
The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as

Surveying
The angle between the axis of earth and the vertical at the station of observation is called

Surveying
The Polaris describes a small circle round the pole whose radius is approximately

Surveying
If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated

Surveying
If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by