List of top Questions asked in AP PGECET

In a Diesel cycle, the parameter that affects efficiency in addition to compression ratio is

What happens to the entropy of a pure substance during a phase change at constant temperature and pressure?

The control volume approach in fluid mechanics is primarily used to analyse:

In free convection, which dimensionless number represents the ratio of buoyancy forces to viscous forces?

Determine the atmospheric pressure at a location where the barometric reading is 700 mmHg and the gravitational acceleration is $g = 10 \text{ m/s}^2$. Assume the mercury density is $14000 \text{ kg/m}^3$.

Which of the following is NOT a characteristic of a transportation problem?

What happens to the total potential energy of a system if the external work done by applied loads is greater than the increase in internal strain energy?

The truss which follows the law $n =$ _________ is known as simple truss

The critical speed of a rotating shaft depends on

Consider an ideal vapour compression refrigeration cycle working on R-134a refrigerant. The COP of the cycle is 10 and the refrigeration capacity is 150 kJ/kg. The heat rejected by the refrigerant in the condenser is _______ kJ/kg.

The Newton-Raphson method is used to find the root of \[ f(x)=x^2-x-1=0 \] If the initial guess is \(x_0=1\), then the estimate after two iterations is

A solid uniform metal bar of diameter D and length L is hanging vertically from its upper end. The elongation of the bar due to self-weight is

If \(u=\dfrac{xy}{x+y}\), then \(x\dfrac{\partial u}{\partial x}+y\dfrac{\partial u}{\partial y}\) is equal to

Consider the differential equation \[ \frac{d^{2}y}{dx^{2}}+3\frac{dy}{dx}+2y=0 \] with the conditions \(y(0)=20\) and \(y'(0)=10\). Then, the value of \[ y(1)e^{2}-50e+20= \] is

If the Laplace transform of a function \(f(t)\) is given by \[ \frac{s+3}{(s+1)(s+2)}, \] then the value of \(f(\ln2)\) is

For what value of the constant \(k\), the function \[ f(x)= \begin{cases} kxe^{-2x}, & x>0 \\ 0, & \text{otherwise} \end{cases} \] is a probability density function?

The random variable \(X \sim \text{Bin}(11,p)\). If \(P(X=8)=P(X=7)\), then \(p=\)

Using Trapezoidal rule with step size of 0.1, the value of the integral \[ \int_{0}^{0.3} f(x)\,dx \]

The system of equations \(2x+y=5,\; x-3y=-1,\; 3x+4y=k\) is consistent when \(k\) is

Let \[ A= \begin{pmatrix} 1 & x & 2x \\ 1 & 3x & 5x \\ 1 & 3 & 4 \end{pmatrix}, \qquad x\neq0. \] If \(\det(A)=0\), then \(x=\)

A circular plasmid of 6 kb has a single EcoRI site. After complete digestion, how many fragments are produced?

A DNA probe of 1000 nucleotides incorporates radioactive nucleotides at 10% efficiency. Number of labelled nucleotides is

In a batch culture, biomass concentration increases from \(0.5~g/L\) to \(4~g/L\) in 2 hours. The specific growth rate (\(\mu\)) is

Which file format includes both sequence and quality scores?

The European Bioinformatics Institute maintains which nucleotide database?