Q.1
For maximum range of a projectile, the angle of projection should be
Q.2
The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is
Q.3
A rope is wrapped twice around a rough pole with a coefficient of friction ‘A . It is subjected to a force Fj at one end and a gradually increasing force F2 is applied at the other end till the rope just starts slip-ping. At this instant the ratio of F2 to Fi is
Q.4
The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by
Q.5
Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation
Q.6
One half of a vibration of a body, is called
Q.7
From a solid cylinder of height 8 cm and radius 4 cm, a right circular cone is scooped out on the same base and having the same height as that of the cylinder. The C.G. of the remainder is at a height of
Q.8
The resultant of the forces acting on a body will be zero if the body
Q.9
For a body moving with simple harmonic motion, the number of cycles per second, is known as its
Q.10
If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along
Q.11
Force polygon method is applicable for
Q.12
Force polygon method is applicable for
Q.13
A quantity measured in the C.G.S system of units has dimensions M”2L3 T3/2. What numerical factor would be required to convert the quantity to SI units ?
Q.14
The necessary condition of equilibrium of a body is:
Q.15
The resolved part of the resultant of two forces inclined at an angle θ in a given direction is
Q.16
A weight of 100 kg is supported by a string whose ends are attached to pegs ‘A’ and ‘B’ at the same level shown in below figure. The tension in the string is
Applied Mechanics and Graphic Statics mcq question image
Q.17
The unit of impulse, is
Q.18
The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of
Q.19
Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis?
Q.20
The vertical reaction at the support ‘A’ of the structure shown in below figure, is
Applied Mechanics and Graphic Statics mcq question image
Q.21
If the direction of projection bisects the angle between the vertical and the inclined plane, then the range of projectile on the inclined plane is
Q.22
Williot-Mohr diagram is used to determine deflection in
Q.23
A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is
Q.24
A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is
Q.25
A weight ‘W’ is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is θ°, the force introduced in the member, is
Q.26
The units of moment of inertia of an area are
Q.27
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 per second is
Q.28
The condilion for a lifting machine to be reversible is that its efficiency should be
Q.29
Coefficient of friction depends on
Q.30
The ratio of the speed of a rolling cylinder to the speed of sliding cylinder is
0 h : 0 m : 1 s