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GATE 2022 Rapid Revision Quiz 14

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Question 1

The device which can be used to calculate the speed of vehicle at an instant is

Question 2

A summit curve is formed at the intersection of 3% upgradient and 5% down gradient. To provide a stopping distance of 128m, the length of summit curve needed will be.

Question 3

The time estimates obtained from four contractors P, Q, R, S for executing a piece of work or job are as given below.

Which one of these contractors is more certain about completing the job in time?

Question 4

A vehicle in negotiating a horizontal curve of radius 250 m with a speed of 65 kmph. The impact factor will be

Question 5

At a horizontal curve portion of a 4 lane undivided carriageway, a transition curve is to be introduced to attain required superelevation. The design speed is 50 kmph and radius of the curve is 220 m. Assume length of wheel base of a longest vehicle as 6 m, superelevation rate as 4% and rate of introduction of this superelevation as 1 in 140. The length of the transition curve (m) required if the pavement is rotated about inner edge is

Question 6

Pessimistic, normal and optimistic time of a given network are 50, 40 and 30 weeks respectively. Probability factor corresponding to 93 % probability is 1.64. Number of weeks required to complete the projects with the probability of 93 % is

Question 7

150 vehicle crossed a particular location on a highway in 40 min. Assume that vehicle arrival follow a negative exponential distribution. Find the number of time headways greater than 5 min is

Question 8

Find out the project completion time and critical path for the network shown below. The activity durations are in days.

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Jun 5ESE & GATE CE