List of top Chemical, Thermal and Polymer Engineering Questions

Plasticizers are added in rubber compounding and processing to improve

For an FCC crystal with lattice parameter "a", the atomic packing factor is :-

Rapid solidification of a melted metal is most likely to produce

A metal has Young's modulus of 220 GPa and yielding strength 365 MPa. The metal is strained to 0.1% strain, then the stress is:

Vulcanization of rubber does not increase the

Which of the polymer is not prepared by condensation polymerization?

Nylon 6,6 is synthesized by the reaction of adipic acid and hexamethylene diamine. If the extent of reaction is 95% for the equimolar feed ratio of the monomers, then the number average degree of polymerization is:

The average degree of polymerization of polystyrene is 1000. The number average molecular weight of polystyrene is:

Which one is not correct relationship?

For the relationship, $dH=TdS+VdP$, the Maxwell equation is:

5 kg of water at $30^{\circ}C$ is mixed with 4 kg of water at $85^{\circ}C$. The final temperature of the mixture is:

Constant reflux ratio maintained during binary mixture batch distillation results in:-

Two film theory assumption during mass transfer in gas-liquid is

According to Fick's First Law, the molecular diffusion flux depends on:

Which amino acid contain Sulfur atom in its side chain?

Ribosomes in microbial cells mainly function to

High pressure homogenization result in cell disruption due to

In an agitated vessel, baffles are mainly designed to

The LMTD (Log Mean Temperature Difference) approach is best for

Select the evaporator for the heat sensitive materials:

When flow is compressible, mach number is the ratio of :-

In centrifugal blower, slip factor is responsible for:-

What is the unit of Bio-concentration?

How much $CO_{2}$ is emitted in the atmosphere if 150 g of butane is oxidized fully into water and Carbon-Dioxide?

CO (Carbon Mono Oxide) as per Indian standard is 13.0 ppm. Write this standard in $mg/m^{3}$ at 298 K and 1 atm.