Which of the following type of levelling is used when two points so situated that no place for the level can be found from which the lens of foresight and backsight will be even approximately equal?

Which of the following type of levelling is used when two points so si

1.	Which of the following type of levelling is used when two points so situated that no place for the level can be found from which the lens of foresight and backsight will be even approximately equal?
A.	Barometric levelling
B.	Trigonometric levelling
C.	Reciprocal levelling
D.	Spirit levelling
Answer» D. Spirit levelling

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When an instrument is at P the staff readings on P is 2.748 and on Q is 1.824 when instrument at Q the staff readings on P is 1.606 and Q is 0.928. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find the angular error in collimation adjustment of the instrument?
When instrument is at P the staff readings on P is 2.748 and on Q is 1.824 when instrument at Q the staff readings on P is 1.606and Q is 0.928. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find error due to collimation?
When an instrument is at P the staff readings on P is 2.748 and on Q is 1.824 when instrument at Q the staff readings on P is 1.606and Q is 0.928. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find true R.L of Q?
When instrument is at P the staff readings on P is 1.824 and on Q is 2.748. When instrument at Q the staff readings on P is 0.928 and Q is 1.606. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find combined correction for curvature and refraction?
When an instrument is at P the staff readings on P is 1.824 and on Q is 2.748. When the instrument at Q the staff readings on P is 0.928 and Q is 1.606. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find true R.L. of Q?
WHEN_INSTRUMENT_IS_AT_P_THE_STAFF_READINGS_ON_P_IS_2.748_AND_ON_Q_IS_1.824_WHEN_INSTRUMENT_AT_Q_THE_STAFF_READINGS_ON_P_IS_1.606AND_Q_IS_0.928._DISTANCE_BETWEEN_P_AND_Q_IS_1010_MTS._R.L._OF_P_IS_126.386._FIND_ERROR_DUE_TO_COLLIMATION??$
When_an_instrument_is_at_P_the_staff_readings_on_P_is_2.748_and_on_Q_is_1.824_when_instrument_at_Q_the_staff_readings_on_P_is_1.606and_Q_is_0.928._Distance_between_P_and_Q_is_1010_mts._R.L._of_P_is_126.386._Find_the_angular_error_in_collimation_adjustment_of_the_instrument?$
When instrument is at P the staff readings on P is 2.748 and on Q is 1.824 when instrument at Q the staff readings on P is 1.606and Q is 0.928. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find combined effect correction for curvature and refraction?
When an instrument is at P the staff readings on P is 2.748 and on Q is 1.824 when instrument at Q the staff readings on P is 1.606and Q is 0.928. Distance between P and Q is 1010 mts. R.L. of P is 126.386. Find true R.L of Q?
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Which of the following type of levelling is used when two points so situated that no place for the level can be found from which the lens of foresight and backsight will be even approximately equal?

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