Civil Engineering Questions And Answers :: Applied Mechanics And Graphic Statics: part2

Civil Engineering : Applied Mechanics And Graphic Statics QUESTIONS AND ANSWERS :: part2 : 6 to 10

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2021 and IES 2021 examinations :

6.A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in

5 sec
8 sec
10 sec
20 sec

7.The maximum displacement of a particle executing S.H.M. corresponds to

zero potential energy and maximum kinetic energy
zero kinetic energy and maximum potential energy
maximum kinetic energy and maxi-mum potential energy
minimum kinetic energy and minimum potential energy

8.In a simple harmonic motion, the position of equilibrium is always

none of the above

9.A particle moves in a straight line and its position is defined by the equation x = 6 t2 - t3 where t is expressed in seconds and x in metres. The maximum velocity during the motion is

6 m/sec
12 m/sec
24 m/sec
48 m/sec

10.A 2 m long ladder rests against a wall and makes an angle of 30� with the horizontal floor. Where will be the instantaneous centre of rotation when the ladder starts slipping ? i) 1.0 in from the wall ii) 1.732 m from the wall iii) 1.0 m above the floor iv) 1.732 m above the floor The correct answer is

(i) and (iii)
(i) and (iv)
(ii) and (iii)
(ii) and (iv)

More Applied Mechanics And Graphic Statics QUESTIONS AND ANSWERS available in next pages

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