List of top Mechanical Engineering Questions

The maximum bending moment of a simply supported beam of span \( l \) and carrying a point load \( W \) at the centre of the beam is

The shear force at the fixed end of a cantilever beam of length \( l \) carrying a uniformly distributed load \( w \) per unit length is

The strain energy stored in a spring when it is subjected to maximum load without suffering permanent distortion is known as

If \( \sigma_1 \) and \( \sigma_2 \) are two principal stresses, then the radius of Mohr’s circle is

Maximum height up to which a projectile can reach, if it is thrown upwards with initial speed \( u \) at an angle \( \theta \) with the ground surface, is

If \( u_1 \) and \( u_2 \) are the velocities of two bodies moving in the same direction before impact and \( v_1 \) and \( v_2 \) are the velocities of the same two bodies after impact, then the coefficient of restitution is

If the tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is

If the resultant of two forces of equal magnitude has the same magnitude as either of the two forces, then the angle between the two forces is

For a 2-dimensional truss structure, if \( m \) is the number of members, \( j \) is the number of joints and \( r \) is the number of reactions, then the condition for instability of the structure is

For a 2-dimensional truss structure, if \( m \) is the number of members, \( j \) is the number of joints and \( r \) is the number of reactions, then the condition for instability of the structure is

In nuclear power plants, the moderator is used to:

The law of radioactive decay equation is: (Where, T = Half-life period and $\lambda$ = radioactive disintegration constant)

In Magneto Hydro Dynamic (MHD) power generation systems, the hot flue gas is seeded with a small amount of an ionized alkali metal to increase of the gas.

If $\rho = $ air density; V = wind speed and A = swept frontal area of the machine (wind mill); then the amount of energy available in the wind is .

In solar radiation geometry, the angle made in a horizontal plane between the horizontal line due south and the projection of the normal to the surface (tilted plane), is called:

Which of the following is NOT a renewable energy source?

Related to industrial safety, the shape of warning sign is .

Which of the following is NOT a type of maintenance of machinery:

Which type of plant lay-out is suitable for “Refrigerator” manufacturing industry?

In Break-Even Analysis diagram, at the break-even point:

VED analysis in inventory control system stands for:

Which of the following control chart is used for the number of defects in a piece or in a sample?

In work study the relation between Standard time, Observed time is:

In motion study, the "Therblig" symbol (Image) represents:

Humidification process on a psychrometric chart is represented by