List of top Mechanical Engineering Questions asked in AP PGECET

The continuity equation for an incompressible fluid states that:
During heat treatment of steel, the hardness of various structures in increasing order is
Which aggregate production planning strategy focuses on maintaining a stable workforce and using inventory to absorb demand fluctuations?
If a heat exchanger has effectiveness = 1, it means:
The relative humidity of ambient air at \(300\text{ K}\) is \(50\%\) with a partial pressure of water vapour equal to \(P_{\text{v}}\). The saturation pressure of water at \(300\text{ K}\) is \(p_{\text{sat}}\). The correct relation for the air-water mixture is
A rod of steel of \(1\text{ cm}^{2}\) in cross-sectional area and \(100\text{ cm}\) long is subjected to an axial pull of \(20000\text{ N}\). If \(E = 20 \times 10^{6}\text{ N/cm}^{2}\), the elongation will be
Fatigue failure occurs due to
What is the significance of availability (or exergy) in thermodynamics?
A hole of $25\text{H}_7$ is to be checked. IT7 tolerance = $0.021\text{ mm}$. Hole limits are:
In the Basic Economic Order Quantity (EOQ) model, if the holding cost per unit increases, the EOQ will:
A 50 mm diameter disc is to be punched out from a carbon steel sheet 1.0 mm thick. The diameter of the punch should be
Maximum velocity in laminar flow in a pipe is
A cantilever beam of rectangular cross section is subjected to a load W at its free end. If the depth of the beam is doubled and the load is halved, the deflection of the free end as compared to original deflection will be _______.
The logarithmic mean temperature difference (LMTD) method is used to:
The emissivity of a grey surface is:
A mould cavity of $1200\text{ cm}^3$ volume has to be filled through a sprue of $10\text{ cm}$ length feeding a horizontal runner. Cross-sectional area at the base of the sprue is $2\text{ cm}^2$. Consider acceleration due to gravity as $9.81\text{ m/s}^2$. Neglecting frictional losses due to molten metal flow, the time taken to fill the mould cavity is}
What is the name of the surface that is generated with linear interpolation of two curves?
The Reynolds number is a ratio of:
Two shafts A and B are made up of the same material. The diameter of the shaft A is twice as that of shaft B. The power transmitted by the shaft A will be 'X' times of shaft B. What is the value of 'X'?
A bar having a cross sectional area of $700\text{ mm}^2$ is subjected to axial loads at the positions indicated in figure. Find the value of stress in the segment QR?
What is the main difference between PERT and CPM?
A solid sphere has characteristic length $L_c = 0.02\text{ m}$, thermal conductivity $K = 40\text{ W/mK}$, and convective heat transfer coefficient $h = 10\text{ W/m}^2\text{K}$. Find the correct statement.
For a closed, simple compressible system, which of the following thermodynamic relations is always valid, irrespective of the process, assuming only reversible processes and equilibrium states?
In a probabilistic inventory model, which distribution is commonly used to model demand?
Match the processes with their characteristics: