RECOMBINANT DNA QUIZ

If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maxi¬mum capacity of a traffic lane at a speed of 10 m/sec is

2500 vehicles per hour

3000 vehicles per hour

1500 vehicles per hour

2000 vehicles per hour

TRUE ANSWER : ?
YOUR ANSWER : ?

The maximum limit of water absorption for aggregate suitable for road construction is

0.4 %

0.6 %

1.0 %

0.8 %

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is indicated by a warning sign ?

no parking

level crossing

end of speed limit

overtaking prohibited

TRUE ANSWER : ?
YOUR ANSWER : ?

The thickness of bituminous carpet varies from

20 to 25 mm

50 to 75 mm

100 to 120 mm

75 to 100 mm

TRUE ANSWER : ?
YOUR ANSWER : ?

The drain which is provided parallel to roadway to intercept and divert the water from hill slopes is known as

Catch-water drain

Side drain

Cross drain

Sloping drain

TRUE ANSWER : ?
YOUR ANSWER : ?

Study the following statements regarding creep. i) Creep is greater on curves than on tangent railway track, ii) Creep in new rails is more than that in old rails, iii) Creep is more on steep gradients than on level track. The correct answer is

(i)and(ii)

(ii) and (iii)

only (i)

(i), (ii) and (iii)

TRUE ANSWER : ?
YOUR ANSWER : ?

Tie bars in cement concrete pavements are at

contraction joints

warping joints

expansion joints

longitudinal joints

TRUE ANSWER : ?
YOUR ANSWER : ?

The maximum spacing of contraction joints in rigid pavements is

3.5 m

4.5 m

5.5m

2.5 m

TRUE ANSWER : ?
YOUR ANSWER : ?

The stopping sight distance depends upon

speed of vehicle

All of these

efficiency of brakes

total reaction time of driver

TRUE ANSWER : ?
YOUR ANSWER : ?

If the average center to center spacing of vehicles is 20 meters, then the basic capacity of a traffic lane at a speed of 50 kmph is

2000 vehicles per hour

2500 vehicles per day

2500 vehicles per hour

1000 vehicles per hour

TRUE ANSWER : ?
YOUR ANSWER : ?

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