18.

19.

20.

21.

22.

23.

24.

25.

26.

What is azimuth?
(A) arbitrary meridian (B) true meridian
(C) magnetic meridian 5 < (D) none of these

What will be the hydraulic mean depth for a most economical rectangular section of an open
channel, of width B and depth D?

(4) 2 ‏ربق‎ 2D
77 87)
05 १

At any point on the magnetic equator what will be the angle of dip?

(ക) 1005 (8) 95
(0 905 (D) 180°

What is the area of building, excluding the area occupied by walls?
(6) netarea (B) plinth area
(0 carpet arca (D) floor area

In the case of open channel flow if the flow is laminar, which of the following is correct?
(ക) Reynolds number < 500 (8) Reynolds number > 500 s
(C) Reynolds number < 2000 (D) Reynolds number > 4000

Name the ratio of power available at the shaft of a turbine to the power delivered by water to
the runner.

(8) volumetric efficiency 18) எல efficiency

(C) mechanical efficiency (D) hydraulic efficiency
What is meant by cambium layer of an exogeneous tree?

(ಗ) layer between inner bark and sap wood

(ए) outermost layer of the tree

(C) zone of inner rings surround the pith

(D) layer between pith and heart wood

What is the difference between two measured values of same quantity in surveying?
(A) variation (B) - discrepancy
(C) intentional error (D) balancing error

A wooden pile is being driven with a drop hammer weighing 18 kN and having a free fall of
1 m. The penetration in the last blow is 5 mm. Determine the load carrying capacity of pile
according to the Engineering News formula : -

(A) 100 kN (B) 90 kN

(C) 110kN (D) 180 kN

? 5 180/2018
[P.T.O.]