Explore topic-wise MCQs in Engineering.

The percentage of carbon in cast iron varies from

A material is said to be allotropic, if it has

Closed packed hexagonal space lattice is found in

Cast iron is a

The ability of a material to absorb energy in the plastic range is called

The hardness and tensile strength in austenitic stainless steel can be increased by

Smelting is the process of

The hardness is the property of a material due to which it

Malleable cast iron is produced

The number of slots in a 25 mm castle nut is

In a flange coupling, the flanges are coupled together by means of

Specify the sequence correctly

Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.

A transmission shaft includes

Thermoplastic materials are those materials which

Which of the following material has maximum ductility?

An eutectoid steel consists of

Shock resisting steels should have

A column is known as a long column if the slenderness ratio is

Circumferential joint in boilers is used to get the required length of a boiler.

The ball bearings are provided with a cage

When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be

In radial cams, the follower moves

The square threads are not so strong as V-threads but they offer less frictional resistance to motion than Whitworth threads.

A pair of friction discs is an example of rolling pair.

In second type of levers,

In order to balance the reciprocating masses,

An automobile steering gear is an example of

If / _n is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach

When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a

The steering of a ship means

When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be

The radial distance of a tooth from the pitch circle to the bottom of the tooth is called

The two elements of a pair are said to form a __________ when they permit relative motion between them.

When the axes of the shafts, over which the gears are mounted, move relative to a fixed axis, then the train is known as reverted gear train.

If / _n = 2, where co is the frequency of excitation and _n is the natural frequency of vibrations, then the transmissibility of vibration will the

In under damped vibrating system, the amplitude of vibration

In railway axle boxes, the bearing used is

The pair is known as a higher pair, when the relative motion between the elements of a pair is

When the connection between the two elements is such that only required kind of relative motion occurs, it is known as self-closed pair.

The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is

The Whitworth quick return motion mechanism is formed in a slider crank chain when the

The acceleration of the particle moving with simple harmonic motion is inversely proportional to the displacement of the particle from the mean position.

In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon

Tungsten when added to steel __________ the critical temperature.

Cast iron is manufactured in

When the relation between the controlling force (F_c) and radius of rotation (r) for a spring controlled governor is F_c = ar + b, then the governor will be

Silicon when added to copper improves

Haematite iron ore contains iron about

The material in which the atoms are arranged regularly in some directions but not in others, is called