List of top Food Technology Questions on Unit Operations asked in TS PGECET

The oil can be mixed with whole pulses in the following type of mixer:

Separation of liquids from solids by application of pressure is known as:

The method of separating mixtures based on differences in volatility of components in a boiling liquid mixture is known as:

The filter press commonly used in oil mill is a:

The extruded product usually puffs and changes texture as it is extruded because of the reduction of forces and release of moisture and heat. The extent to which it does so is known as:

The method of food processing for removal of bad odours from food:

Which of the following is not a basic part of an evaporator?

Which of the following is best suited for evaporating tomato puree?

Which of the following process is also known as appertization?

The rate of mixing in an equipment can be explained by:

Treatment of fruits and vegetables with boiling water or steam for a short period followed by cooling prior to canning is:

The ancient technique of extraction of aromatic compounds from flowers, fruits, etc using fat is known as:

Ranks obtained by 5 students in two tests are as follows:

Then the Spearman's rank correlation coefficient \( (\rho) \) is:

The series \( \sum_{n=1}^{\infty} \frac{x^n}{n}, (x \gt 0) \) is:

Integrating factor of \( (x \log x)\frac{dy}{dx} + y = \frac{2}{x}\log x \) is:

The Laplace transform of the multiple integral \( L \left\{ \int_{0}^{t} \int_{0}^{t} \int_{0}^{t} \int_{0}^{t} \cos au \, du \, du \, du \, du \right\} \) is:

Consider the iterative formula \( x_{n+1} = \frac{x_n}{2} + \frac{9}{8x_n} \) with \( x_0 = 0.5 \) obtained from the Newton-Raphson method to solve an equation. The successive iterations converge to:

Given \( \int_{-3}^{3} (x^5 + 4x^3) dx \), the integral value using Trapezoidal rule is:

A random variable \( X \) has the following distribution:

Then the ratio between \( k \) and \( P(X \lt 3) \) is:

Let \( A = [a_{ij}] \) for \( i, j = 1, 2, 3, \ldots, n \) be an \( n \times n \) matrix such that \( a_{ij} = \begin{cases} 1, & \text{if } (i+j) \text{ is even} \\ -1, & \text{if } (i+j) \text{ is odd} \end{cases} \) where \( n \gt 1 \). Then the rank of \( A \) is:

If the system of linear equations \( x+y+z=2 \), \( 2x+y-z=3 \) and \( 3x+2y+kz=4 \) has a unique solution, then:

If \( u = x^2 + y^2 + 2xy + 2x + 2y \) and \( v = e^{x+y} \) are functionally dependent, then the relation between \( u \) and \( v \) is: