List of top Questions asked in TS PGECET- 2026

What is the key requirement for an adhesive to properly bond to a surface?
According to the Taylor's tool life equation, if the cutting speed is halved with index \( n = 0.25 \), then the tool life:
The welding process used for joining railway tracks is
While designing the gating system, the ratio of 1 : 2 : 4 represents:
The extrusion process used to manufacture the short length components like paste tubes, gun shells etc., is
Based on Iron-Carbon diagram, when austenite decomposes during cooling process, an eutectoid mixture is formed. The nature of the element is
In casting process, the covering passage is used for feeding the liquid metal into the mould to
A low projection on the drag surface of a casting commencing near the gate by erosion of sand due to the high velocity liquid metal in the bottom gating. This defect is known as:
The shrinkage allowance has been provided on the pattern to compensate the shrinkage when:
The commonly used casting process for producing intricate and detailed sculptures is:
In a linearly hardening plastic material, the true stress beyond the initial yielding
In order to increase the corrosion resistance of stainless steel, the following element is added
If the material has the tendency to fracture without any appreciable deformation is known as
The heat treatment process used to enrich the steel surface by addition of Nitrogen is known as
The area under the linear curve of stress-strain diagram with in the elastic limit is known as
Which one of the following metal has maximum value of yield strength?
The refrigerant and absorbent used in Vapour absorption refrigeration system respectively are
An air conditioning system mixes 30% fresh air at 35 $^\circ$C DBT and 50% RH with 70% recirculated air at 35 $^\circ$C DBT and 50% RH. Which of the following statements about "mixed air condition" is true?
The whirl component of turbine blades is zero for the following turbine.
A single stage impulse turbine with a diameter of 1.2 m runs at 3000 rpm. If the blade speed ratio is 0.42, the inlet velocity of steam will be (in $\text{ms}^{-1}$)
In an axial flow compressor, if the air stream is not able to follow the blade contour such phenomena is known as
In an ideal Brayton power cycle operated for the gas turbine plant, if \(T_1\) is the minimum temperature, \(T_3\) is the maximum temperature and pressure ratio is \(r_p\), then the net work ratio is given as
If regenerator is added to a Brayton cycle, the thermal efficiency is improved due to
Generally, in spark ignition engines, the compression ratio cannot be enhanced beyond certain limit because to avoid
In a CI engine, the delay period in the combustion process mainly corresponds to