Question

2. Verify that a ÷ (b + c) ‡ (a ÷ b) + (a + c), if: (a) a = 48, b = 4 and c = -2 (b) a = -20, b = -5 and c = 4​

Answer 1

The instrument used for checking out right angles is known as ……………

(a) Ghat tracer

(b) Leveling staff

(c) Target prism

(d) Optical square

Q2. If the fore bearing of the line AB is 119°48’ then back baring is:

(a) 299° 48’

(b) 209°48’

(c) 119°48’

(d) 319°48’

Q3. Grade compensation on a horizontal curve on a highway is not necessary when:-

(a) Gradient is flatter than 4 percent

(b) Gradient is steeper than 4 percent

(c) Gradient is flatter than 6 percent

(d) Gradient is steeper than 6 percent

Q4. The unit of rate of change of centrifugal acceleration of transit curve is:

(a) m/sec³

(b) m/sec²

(c) m/sec

(d) No unit