Applied mechanics and graphic statics questions with answers
234 multiple-choice questions. Open any question for its answer and explanation.
- A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if
- A point subjected to a number of forces will be in equilibrium, if
- Minimum potential energy of a system will be in the position of
- If the given forces P1, P2, P3 and P4 are such that the force polygon does not close, then the system will
- A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan-1x, where x is
- A ladder of weight 'w' rests against a smooth vertical wall and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being $$\frac{1}{4}$$. The maximum angle of inclination of the ladder to the vertical, if a man of weight 'w' is to walk to the top of it safely, is tan-1x, where x is
- The length of a Second's pendulum, is
- The locus of the instantaneous centre of a moving rigid body, is
- The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is
- Engineer's units of force, is
- If y is force and x is velocity, then dimensions of $$\frac{{{{\text{d}}^2}{\text{y}}}}{{{\text{d}}{{\text{x}}^2}}}$$ are
- The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is
- Free body diagram is an
- Maximum efficiency of a screw jack for the angle of friction $$\theta $$, is
- For perfectly elastic bodies, the value of coefficient of restitution is
- In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is
- An ordinate in a funicular polygon represents
- The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is
- The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is
- Pick up the correct statement from the following
- Pick up the correct statement from the following
- Pick up the incorrect statement from the following
- The time period of a simple pendulum depends on (i) Mass of suspended particle (ii) Length of the pendulum (iii) Acceleration due to gravity
- The frequency of oscillation on moon as compared to that on earth, will be
- The direction of projection should bisect the angle between the inclined plane and the vertical for a range of a projectile on inclined plane
