List of top Mechanical Engineering Questions asked in TS PGECET

As the cutting speed increases, how do the machining cost and tooling cost behave?
Which type of jig is generally used for machining in more than one plane without changing the setting?
The main purpose of an Automatic Tool Changer (ATC) in CNC machining process is to reduce:
The phenomenon where a metal part tends to partially return to its original shape after the forming tool is removed is known as
The secondary operation which is used to improve the self-lubricating capacity of the sintered part in powder metallurgy is
According to the Taylor's tool life equation, if the cutting speed is halved with index \( n = 0.25 \), then the tool life:
In MIG welding process, the commonly used gases for shielding are
What is the key requirement for an adhesive to properly bond to a surface?
The welding process used for joining railway tracks is
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 casting process, the covering passage is used for feeding the liquid metal into the mould to
Based on Iron-Carbon diagram, when austenite decomposes during cooling process, an eutectoid mixture is formed. The nature of the element 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
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?
If the material has the tendency to fracture without any appreciable deformation is known as
In order to increase the corrosion resistance of stainless steel, the following element is added
In a linearly hardening plastic material, the true stress beyond the initial yielding
The heat treatment process used to enrich the steel surface by addition of Nitrogen is known as
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 $\text{ms}^{-1}$)
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?