List of top Mechanical Engineering Questions asked in Tamil Nadu Common Entrance Test

In a hydraulic system, the point of intersection of the line of action of the resultant hydrostatic force and the corresponding surface is known as:
A pool is filled with water and the pool has a maximum depth of 100 m. If the atmospheric pressure is 101 kPa, the absolute pressure at 100 m depth of the pool is:
In a Vapour Compression Refrigeration System (VCRS), if throttle valve is replaced with expansion cylinder, the COP will
A heat pump operates on Carnot cycle pumps heat from a reservoir at 27°C to 327°C. The Coefficient of performance is
If SH, LH represents Sensible Heat and Latent Heat respectively, then identify the CORRECT relation for Sensible Heat Factor (SHF) from the given options.
If Stanton number is 0.5, Reynolds number is 39 and Nusselt number is 390, then the Prandtl number is:
For a balanced counter flow heat exchanger where \( \dot{m}_h C_{ph} = \dot{m}_c C_{pc} \), the logarithmic mean temperature difference (LMTD) and temperature profile is:
Consider the following statements regarding Mass Transfer. Identify the INCORRECT statement.
For the same maximum pressure and same heat input in the air standard cycles, which of the following option is CORRECT?
The characteristics of Planck's black body radiation distribution is given in the options. Which of the following is NOT a characteristic of Planck's black body radiation distribution?
Air enters the compressor at 100 kPa and 25°C having the volume of 1.8 m3/kg and compressed to 5 bar isothermally. The change in internal energy during the process is
The following equation is equal to the value of \[ \left( \frac{\partial T}{\partial V} \right)_P \left( \frac{\partial V}{\partial T} \right)_P \left( \frac{\partial P}{\partial V} \right)_T = ? \]
Which of the following provides a quick-fix means of conducting an initial investigation before attempting a major investigation of surface quality?
What structure is formed in the heat affected zone of a medium carbon steel weld due to rapid cooling?
Which of the following is an incorrect operation in relation to the finishing processes employed for gear teeth?
Inside size of slots or holes can be measured by
Which of the following options does not belong to a special purpose lathe?
In laser beam welding, ——––––––––– are associated with the evolution of vapor from the surface of the material to produce a needle-like, vapor-filled cavity or keyhole in the work piece through which the beam can penetrate.
The application for which a point to point numerical control system can be employed is a
Having a eutectoid composition ——––––––––– is a microstructural product of an iron–carbon alloy consisting of alternating layers of ferrite and cementite.
Cracks appear in weld and base metal when the localized stresses exceed the ——––––––––– strength of a metal.
The term “bulk” in bulk deformation processes describes the work parts that have ——––––––––– ratio.
Identify the operation which cannot be performed using a conventional lathe.
Which of the following is not a principal classification model representing the 3D geometric modelling?
For maintaining records, —––––––––– cards contain information on the (a) type of part, (b) location where the card was issued, (c) part number, and (d) number of items in the container.