MCQ 1 If the probable error in single observation is =0.04 m and that of the mean is =0.01 m, then number of observation are

(A) 4 (B) 10 (C) 16 (D) 64

MCQ 2 Theory of probability is applied to

(A) Both accidental and cumulative errors (B) Cumulative errors only (C) Accidental errors only (D) None of the above

MCQ 3 Which of the following scales is largest

(A) 1cm = 50m (B) 1:42000 (C) R.F = 1/300000 (D) 1cm = 100m

MCQ 4 Offsets are

(A) Short measurement from chain line (B) Ties or check lines which are perpendicular to chain line (C) Sets of minor instruments in chain surveying (D) Chain lines which go out of alignment

MCQ 5 The different between the most probable value of a quantity and its observed value is

(A) True error (B) Residual error (C) Weighted observation (D) Conditional error

MCQ 6 An invar tape is made of an alloy of

(A) Nickel and steel (B) Brass and steel (C) Copper and steel (D) Brass and nickel

MCQ 7 Number of links in a 30 m metric chain is

(A) 200 (B) 150 (C) 180 (D) 100

MCQ 8 Ranging is the process of

(A) Fixing ranging rods on the extremities of the area (B) Changing over from a range mountains (C) Taking offsets from a chain line (D) Aligning the chain in a straight line between two extremities

MCQ 9 A metallic tape is made of

(A) Linen (B) Cloth and wires (C) Invar (D) Steel

MCQ 10 For a well-conditioned triangle, no angle should be less than

(A) 20 degree (B) 30 degree (C) 45 degree (D) 60 degree

MCQ 11 The position of a point can be fixed more accurately by

(A) Oblique offsets (B) Perpendicular offsets (C) Cross staff (D) Optical square

MCQ 12 The main object of running a tie line is

(A) To check accuracy of work (B) To take offsets for detailed surveying (C) To take details of nearby objects (D) None of the above

MCQ 13 A building is an obstacle to

(A) Chaining but not ranging (B) Both chaining and ranging (C) Ranging but not chaining (D) Neither chaining nor ranging

MCQ 14 The angle of intersection of the two plane mirrors of an optical square is

(A) 30 degree (B) 45 degree (C) 60 degree (D) 90 degree

MCQ 15 Normal tension is that pull which

(A) Neutralizes the effect due to pull and sag (B) Makes the correction due to pull equal to zero (C) Is used at the time of standardizing the tape (D) Makes the correction due to sag equal to zero