List of top Chemical, Thermal and Polymer Engineering Questions

ABS is a:
Carothers equation may define gel formation for the:
The unit step response of the transfer function \( G(s) = \frac{1}{s^2 + 2s + 3} \) has:
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:
Secondary nutrients in fertilizers are:
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:
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:
Sulfa drugs are derivatives of:
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:
As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches:
The rate of corrosion of mild steel by sulphuric acid is unacceptably high for:
Bracket supports are most suitable for:
Consider the manufacturing of Linear Alkyl Benzene Sulphonates (LABS). The alkylbenzenes are sulphonated with:
Karbate is:
Consider a piston-cylinder arrangement containing a gas. This system is heated by placing it on the top of a burner. The system undergoes:
Cost of instrumentation in a modern chemical plant as compared to the total plant cost, ranges from:
Which of the following is a coarse crusher?
Separation of particles of various sizes, shapes, and densities by allowing them to settle in a fluid is called:
In forced convection, the Nusselt number (Nu) is a function of:
When a ball mill rotates at a speed higher than the critical speed, its efficiency is:
Consider separation of dust particles from gases in a cyclone separator. For a given particle size, the terminal velocity is maximum:
If a mass of solid particles is packed by tapping, the bulk density of the mass:
Break-even point increases with:
When the interest is compounded monthly, the effective interest rate will be: