List of top Mechanical Engineering Questions asked in Andhra Pradesh Post Graduate Engineering Common Entrance Test

In which of the following process, the state of stress of the material undergoing deformation is only shear?
Which one of the following is a solid state joining process?
Straight polarity in arc welding is obtained with
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
Name the four processes A, B, C, and D, shown in Figure, in the same sequence.
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?
In a gating system, the ratio of 1:2:4 represents:
Select the correct statement for the riser design
If H is the available head for a hydraulic turbine, the speed (N), the discharge (Q), and the power (P), respectively are proportional to
According to the direction of flow through the runner, Kaplan turbine is a:
For stable equilibrium of floating bodies, the centre of gravity has to:
Which of the following represents the equation of continuity for a steady compressible fluid? \( \vec{V} \) represents the velocity vector; \( \rho \) represents density
A Pitot-tube is used for measuring
A fluid, with viscosity 1.5 Pa.s and density 1260 kg/m³, flows at a velocity of 5 m/s in a 150 mm diameter pipe. The Reynolds number is:
According to the Darcy--Weisbach equation, the loss of head for flow through a circular pipe is (\( L \)-length of the pipe, \( D \)-diameter of the pipe, \( V \)-velocity of flow, \( f \)-friction factor)

Identify the correct combination of turbines classification based on the head of the water.

In a heat exchanger, the hot gases enter with a temperature of 150 °C and leave at 75 °C. The cold fluid enters at 25 °C and leaves at 125 °C. The capacity ratio of the exchanger is:
In transient heat conduction, the two significant dimensionless numbers are
The ratio of the energy transferred by convection to that by conduction is represented by
In an enclosure there are 8 surfaces. How many individual radiation view factors are involved?
What is the pressure within a 1 mm diameter spherical droplet of water relative to the atmospheric pressure outside? The surface tension of water is 0.07 N/m.