List of top Mechanical Engineering Questions

If G is the modulus of rigidity, K is the bulk modulus and $\mu$ is the poisson's ratio of a material, then the ratio of modulus of rigidity to bulk modulus is:

Efficiency of a simple lifting machine is:

The resultant of two forces, magnitude of each is equal to ‘P’ and the acting angle between them is $60^{\circ}$, is

German silver is an alloy of:

The process, which involves addition of carbon and nitrogen to carbon steels and alloy steels to increase hardness at the surface, is known as:

With reference to Iron-Carbon diagram, Pearlite is a combination of :

Which of the following test is used to measure the toughness of a material?

The property of a material due to which it can be rolled or hammered into thin sheets is known as:

With respect to rapid prototyping, the full form of SLS is:

In which of the following 3 – Degree of freedom robot arm configuration gives a partial spherical shell space as work volume to the manipulator?

With reference to the part program on CNC Lathe; code M05 refers to:

In which of the following surface finishing operation; the relative motion between tool and the previously machined surface is a combination of reciprocation and rotary motions?

Which of the following modern machining process, does not cause tool wear?

The mechanism of material removal in Electric Discharge Machining (EDM) process is:

In which of the following machining operation, jig is used:

The angle between the two cutting edges of a drill bit is called:

Which of the following is NOT an indexing method used in milling machines?

In which of the following machine tool; 'clapper box' in which the cutting tool is clamped, is used:

The spindle speed range in a general-purpose lathe is divided into steps, which approximately follow:

During welding, tiny electrode metal particles are blown out of the arc, which get deposited on the surface of the weld bead and base metal. This weld defect is called

Two non-consumable tungsten electrodes are used in process.

In oxy-acetylene gas welding equipment, the outside surface of oxygen cylinder is usually painted with colour.

Which of the following is NOT a arc welding equipment?

During the evaluation of surface roughness (in a given sample length), the average height from a mean line of all ordinates of surface, regardless of sign, is the

With respect to limits, fits and tolerances of machine components, how many grades of tolerances are there?