List of top Chemical, Thermal and Polymer Engineering Questions on Polymer Science

Which of the following is not a rubber?
A. Plasticized PVC
B. Neoprene
C. Polyisoprene
D. NBR
E. Dacron
Choose the correct answer from the options given below:
Match the LIST-I with LIST-II:
Please choose correct answer
A. At high temperature radiation is significant.
B. Heat transfer due to radiation is reduced by shield.
C. Flow regime is predicted by Reynold number.
D. No impact of temperature on total heat transfer coefficient.
Choose the correct answer from the options given below:
Please choose correct option
A. Top and bottom product contain non-key components.
B. Minimum reflux ratio is determined using Underwood equation.
C. Throughout the column relative volatility is constant.
D. Separation is defined by heavy and light components.
Choose the correct answer from the options given below:
Arrange the following based on their calorific value per kg of fuel.
A. Wood Char Coal
B. Dry Cow Dung
C. Kerosene
D. Natural gas
Choose the correct answer from the options given below:
During batch distillation composition change occurs.
A. Heavy component increases in still
B. Distillate formed from condensation of vapor
C. Vapor formation occurs in still
D. As time passes composition of distillate decreases
Choose the correct answer from the options given below:
ABS is a:
Carothers equation may define gel formation for the:
The functionality of the Phenol in the preparation of phenol-formaldehyde resin is :
Which one is an example of branched polymer?
Which one is appropriate for the poly-ethyleneterephthalate?
Buna-S is a polymer of:
The catalyst used during the condensation of phenol and formaldehyde to obtain the highest electrical properties is:
For the manufacture of Nylon-6 by condensation polymerization of caprolactam, the temperature maintained in the reactor is about:
The kinetics and degree of polymerization of polymer during emulsion polymerization depends upon:
The polymer —A–A–A–B–B—AAA—B-——-B represents:
Polymer having high tensile strength, tensile modulus, stiffness, melting point, and heat distortion temperature combined with low specific gravity and excellent resistance to environmental stress cracking is:
Diglycidyl ether of bisphenol-A and 4,4-diamino diphenyl sulfone system can be used to obtain glass-reinforced composites by the process of:
In extrusion, the primary function of the transition zone is to:
A. compress the polymer
B. melt the polymer
C. support the screen pack
D. contribute for he back pressure
The characteristic that deteriorates when more styrene is added to butadiene to get SBR during polymerization is:
XLPE is the trade name of