MCQ Questions Civil Engineering Applied Mechanics and Graphic Statics
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MCQ Questions Civil Engineering Applied Mechanics and Graphic Statics - Set - 5
Question 1:
A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in
a) 5 sec
b) 8 sec
c) 10 sec
d) 20 sec
Correct Answer – (C)
Question 2 :
The angle of projection at which the horizontal range and maximum height of a projectile are equal to
a) 36°
b) 45°
c) 56°
d) 76°
Correct Answer – (D)
Question 3 :
Instantaneous center is at infinity when the angular velocity is
a) constant
b) zero
c) maximum
d) minimum
Correct Answer – (B)
Question 4 :
Select the correct statement
a) The body centrode rolls on the space centrode.
b) The space centrode rolls on the body centrode.
c) Both body and space centrodes may role on each other.
d) The body centrode never touches space centrode.
Correct Answer – (A)
Question 5 :
A disc of mass 4 kg, radius 0.5m and moment of inertia 3 kg-m2 rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is
a) 50 J
b) 150 J
c) 200 J
d) 400 J
Correct Answer – (C)
MCQ Questions Civil Engineering Applied Mechanics and Graphic Statics
Question 6:
The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is
a) 98 m
b) 490 m
c) 980 m
d) 1960 m
Correct Answer – (C)
Question 7:
A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center 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
a) (i) and (iii)
b) (i) and (iv)
c) (ii) and (iii)
d) (ii) and (iv)
Correct Answer – (D)
Question 8:
At the instantaneous center, the velocity of the moving lamina at any instant is
a) zero
b) maximum
c) minimum
d) varying
Correct Answer – (A)
Question 9:
When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are
a) straight line and parabola
b) straight line and circle
c) circle and straight line
d) circle and parabola
Correct Answer – (C)
Question 10:
A flywheel of moment of inertia 20 kg-m” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is
a) 1/2
b) 3/2 ‘
c) 2
d) 3
Correct Answer – (B)
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