89. Which among the following is/are the functions of the Canal Head Regulator :
@ ‘It regulates the supply of water entering the canal
Gi) It controls the entry of silt in the canal
(014) It prevents the river floods from entering the canal
ധ Only (i) (B) Only Gii)
(C) 800 0) and (ii) (D) All (i), Gi) and (iii)

90. The type of cross-drainage work in which canal water and drain water are allowed to
intermingle with each other is:

(A) Super-passage (B) Level crossing
(C) Aqueduct ൯) Canal syphon

91. The frictional resistance experienced by a body while moving is known as:
(ಗ) Static friction (B) Limiting friction
(C) Dynamic friction (D) None of these

92. According to Lami’s theorem, the correct relation between the forces shown in the figure

given below is:
ರ್ಯ” —~ P
1

0 B
R
P R P R
‏بم = 4ه لم بم‎ + -=-9 =
‏سس‎ sing sng sinf siny
(0) ൧ ൭ 1 (D) None of these

siny sina 0) 6

93. The resultant of two equal forces of magnitude P is equal to V3P . Then the angle between
the two forces is :

(A) 80 (B) 90°
(C) 60° (D) 120°

A 13 016/2024
[P.T.0.]