75.

76.

77.

78.

79.

80.

81.

82.

The saturation flow in a traffic signal for a width of 4.5 to 5.0 m is normally :
(A) 2250 PCU/Hour (B) 1950 PCU/Hour
(C) 2900 PCU/Hour (D) 1890 PCU/Hour

Shape of rotary type intersection which is suited for roads of equal importance carrying equal
volumes intersect at equal angles is :

(A) Squarish ൯) Elliptical
(C) Irregular (D) Circular

If the proposed airport elevation is 400 m and length of runway is 1260 m then the correction
for elevation as pre standard is :

(A) 1290m ൪൫ 1800௯
(©) 1378m (0) 1360൩

The reduction of runway length both in landing and takeoff due to head wind component is
around :

(A) 15% (B) 10%
(C) 0.70% (D) 12%

If the permissible speed is 80 km.p.h. with a cant of 10 cm then the length of the transition
curve on a B.G. line is :

(A) 72m (B) 44m
(C) 58m (D) 60m

This sort of points and crossings are not recommended for main lines or heavy fast moving
rail traffic lines :

(A) Tandems (B) Slips
(C) Three throws (D) Gauntlet track

These signals are provided to furnish special information to the drivers of train are called :
(ಹ) Co-acting signal (B) Indicator signal
(0) Calling-on signal (D) Routing signal

Prevent the segment getting twisted out of the line braces are introduced at each joint of the
arch segment in tunnel lining is called as :

(A) Wall plate (2) Laggings
(C) Collar braces (D) Posts

15 085/2023
[P.T.0.]