Which is the arithmetic check for the height of instrument method?
A) ?FS + ?BS = First RL + Last RL@
B) ?BS - ?FS = Last RL - First RL@
C) ?FS + ?BS = Last RL + First RL@
D) ?BS - ?FS = First RL - Last RL@
Correct Answer:
Verified
Q11: Trigonometric levelling is also called:
A)Indirect levelling
B)Differential levelling
C)Fly
Q12: In _ levelling, the first and last
Q13: Stadia levelling is a modified form of:
A)Fly
Q14: Reciprocal levelling is used when,
A)Flat terrain
B)Obstacles are
Q15: In a hilly terrain, staff reading is
Q17: Which instrument is used in trigonometric levelling?
A)Wye
Q18: In levelling, error due to earth's curvature
Q19: Contours can be found in a _
Q20: Contour Maps are not mandatory in civil
Q21: How many methods of contouring are present?
A)5
B)3
C)2
D)4
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