Q.1
Newton’s Law of Motion is:
Q.2
Joule is the unit of
Q.3
A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is
Q.4
The moment of inertia of a triangular section (base b, height h) about centroidal axis parallel to the base, is
Q.5
If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called
Q.6
A particle of mass 2 kg executes simple harmonic motion of frequency 6/71 Hz and amplitude 0.25 m. Its maximum kinetic energy is
Q.7
A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m apart. If the horizontal tension is 1000 kg, the central dip of the cable is
Q.8
A particle moves along a straight line such that distance ‘x’ traversed in ‘t’ seconds is given by x = t²(t + 1), the acceleration of the particle, will be
Q.9
A Seconds pendulum executes
Q.10
The point about which combined motion of rotation and translation of a rigid body takes place, is known as
Q.11
A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is
Q.12
A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is
Q.13
The forces which meet at one point and have their lines of action in different planes are called
Q.14
Joule is the unit of
Q.15
If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be
Q.16
The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the vertical side is a, from its vertical face is
Q.17
Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down
Q.18
If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to
Q.19
The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to
Q.20
For the system of the loads shown in bellow figure, the time required for the 6.6 kg load to fall on the edge, is
Applied Mechanics and Graphic Statics mcq question image
Q.21
The maximum displacement of a particle executing S.H.M. corresponds to
Q.22
A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in
Q.23
A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be
Q.24
A satellite goes on moving along its orbit round the earth due to
Q.25
A bullet weighing 200 g is fired horizontally with a velocity of 25 m/sec from a gun carried on a carriage which together with the gun weighs 100 kg. The velocity of recoil of the gun, will be
Q.26
The unit of force in C.G.S. system of units, is called
Q.27
A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is:
Q.28
Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction.
The speeds of the objects are:
Q.29
Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for
Q.30
If a particle moves with a uniform angular velocity ‘ω’ radians/sec along the circumference of a circle of radius ‘r’, the equation for the velocity of the particle, is
0 h : 0 m : 1 s