List of practice Questions

The characteristic equation for the system is \[ s^3 + 9s^2 + 26s + 12(2 + K_c) = 0 \] Using Routh test, the value of Kc that will keep the system stable is:

The functionality of the Phenol in the preparation of phenol-formaldehyde resin is :

In an internal combustion engine, during the compression strokes, the heat rejected to the cooling water is 75 J/g and the work input is 120 J/g. The change in internal energy of the working fluid is:

The Bode diagram stability criterion is applicable when:

A step change of magnitude is introduced to a system having the transfer function \[ G(s) = \frac{2}{s^2 + 2s + 4} \] The percent overshoot is:

Carothers equation may define gel formation for the:

A first-order system with unity gain and time constant \( \tau \) is subjected to sinusoidal input having a frequency \( \omega \) of \( \frac{1}{\tau} \). The amplitude ratio for such system is:

10 ml of 0.5 M HCl is mixed with 30 ml of 0.3 M HCl, the molarity of the solution is:

The unit step response of the transfer function \( G(s) = \frac{1}{s^2 + 2s + 3} \) has:

ABS is a:

Match LIST-I with LIST-II and select the correct answer using the codes given below the lists:

LIST-I \(\hspace{1cm}\) LIST-II
A. Pressure \(\hspace{1cm}\) I. Hot wire anemometer
B. Temperature \(\hspace{1cm}\) II. Piezoelectric element
C. Velocity \(\hspace{1cm}\) III. Rheometer
D. Viscosity \(\hspace{1cm}\) IV. Pyrometer

A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day when it is concentrating from 10% to 35% solids. The water evaporated in kg per day is:

Sulfa drugs are derivatives of:

Mixed fertilizer having its grade designated by 5-25-10, means:

The process involved in converting rubber into a thin sheet or coating it on fabric is called:

Secondary nutrients in fertilizers are:

As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches:

In petrochemical industry, any petroleum fraction having an approximate boiling point range between 20°C and 200°C which is used as a feed stock is called:

Consider the manufacturing of Linear Alkyl Benzene Sulphonates (LABS). The alkylbenzenes are sulphonated with:

Consider a piston-cylinder arrangement containing a gas. This system is heated by placing it on the top of a burner. The system undergoes:

Bracket supports are most suitable for:

Karbate is: