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The desirable multiplying and additive constants for a tacheometer is
(A) 200 and 015 m (B) 100 and 0.3 m
(C) 100 and Om (D) 50 and 0.5m

The length of the long chord of a simple circular curve is
(A) twice the apex distance (B) twice the tangent length
(C) twice the mid ordinate (D) twice the radius of the curve

A transition curve is essentially used to

(A) generate more frictional forces for stability

(B) allow vehicles to have increased speed while driving

(C) negate the effect of centrifugal forces

(D) avoid abrupt change in radius from a straight line to a finite radius curve

In designing curves based on maximum friction, the minimum radius is given by
(^) ४/9 (B) v? / tan
(€) ४ / (1 1816 (0) ५2/५9

The ideal transition curve is called a
(A) clothoid (B) cubic spiral
(C) cubic parabola (D) hyperbola

In the case of vertical curves, a 3 per cent gradient means that the ground rises
(A) 1m for every 3m (B) 03 m for every 100 m
(C) 0.03 m for every m (D) 3m for every 100 m

In the case of vertical curves, the curves are generally in the form of
(A) simple circular curves (B) compound curves
(C) simple reverse curves (D) parabolic curve

In case of vertical parabolic curves, the rate of change of gradient is
(A) always negative (B) always positive
(C) zero (D) constant

A compound curve has

(A) a simple circular curve and a transition curve at one end
(B) a simple circular curve and transition curve at both ends
(C) the equation of a clothoid

(D) two or more simple circular curves of different radii

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