List of top Mechanical Engineering Questions

A Linear Variable Differential Transformer works on the principle of
The mechanism of material removal in electric discharge machining process is
The machining operation used to enlarge an existing hole is termed as:
The non-traditional process that utilizes thermoelectric energy for removing material is
A grinding wheel is specified by ``C24K7V'' for finish grinding of a tool. The first letter ``C'' is represented by
In order to have interference fit, it is essential that the minimum permissible diameter of the shaft should be
In an orthogonal cutting, rake angle (\( \alpha \)) of the tool is 25° and friction angle (\( \lambda \)) is 27°. Using Merchant's shear angle relationship, the value of shear angle (\( \phi \)) is:
Continuous chips with built-up edge (BUE) are formed with
In a single point turning operation of steel with a tool, Taylor’s tool life exponent is 0.2. What is the increase in the tool life if the cutting speed is halved?
Select the correct statement from the following.
The cutting tool moves in a vertical reciprocating motion in which of the following machine tool?
In which of the following milling operations, the finished surface is at right angle to the cutter axis?
A positive rake angle is generally preferred for:
Straight polarity in arc welding is obtained with
A stock of thickness 30 mm is to be rolled to 10 mm in a single stage. What is the minimum diameter of the rolls, if the maximum angle of bite is 60°?
Which one of the following is a solid state joining process?
In cold working of metals, the working temperature is
The shear strength of a sheet metal is 300 MPa. The blanking force required to produce a blank of 100 mm diameter from a 2 mm thick sheet is close to
In which of the following process, the state of stress of the material undergoing deformation is only shear?
Name the four processes A, B, C, and D, shown in Figure, in the same sequence.
Select the correct statement for the riser design
The coordination number for a Body-Centred Cubic (BCC) structure is
For a ductile material, toughness is a measure of
Primary object of full annealing is to
A spherical drop of molten metal of radius 5 mm was found to solidify in 12 s. In how much time will a similar drop of radius 10 mm solidify?