14.

15

16.

17:

18:

19,

20.

21.

22.

The discharge through a triangular notch under a constant head of 0.25 m if the
angle of the notch is 120° and Cd, 0.62 is :

(^) 0.182 ೫8/5 (3) 0.006 ೫೩/8

(0) 0.079 78/5 (D) 0.816 1/8

A reservoir has an area of 8.5 >८ 10472 शात्‌ 18 provided with a weir 4.5 m long. How
long will it take for the level at the sill to fall from 0.6 m to 0.3 m :

ക 6.91 118. (B) 8.112hrs.
(C) 10.37 hrs. (D) 2.305 hrs.
For natural stream channels, the value of Muskingum parameter will generally :
(A) between 0 and 0.3 (B) between 0.3 and 0.6
(C) more than 0.5 (D) more than 1.0

A small lead sphere of specific gravity 11.5 has a terminal fall velocity of 7 mm/Sin a
fluid of specific gravity 1.25 and dynamic viscosity 7.848 poise :

(ಯ 1mm (B) 0.008 mm

)0 1.428 mm (D) 0.0183 mm

The volume of water stored between normal reservoir level and maximum reservoir
level is

(^) surcharge storage (B) live storage

(C) bank storage (D) useful storage

A single acting reciprocating pump has a plunger dia 0.3 m and a stroke length 0.4 m.
If the speed of the pump is 60 rpm and Cd is 0.97, actual discharge of the pump is:

(ಹ) 6.3515 ‏8ل[‎ ൪൫) 27.43Vs
ത 9.148 1/5 D) 30.48 1/5
The rating curve of a stream gauging station gives the variation of discharge :
(ಗ) the area of the flow (B) the stage
(C) the velocity of flow (D) the depth of flow

The length of a line measured by a 80 m chain was found to be 504.4 m. It was
afterwards found that the chain was 0.05 m too long, then the true length of the line
is:

^) 505.04m (B) 505.14m
(C) 505.24m (D) 505.34m
A 50 m tape is held 2.5 m out of line. What is the true length?
(^) 49.74 (3) 49.84
(0 49.94 (D) 50.04
5 010/2020

[P.T.O.]