List of top Chemical, Thermal and Polymer Engineering Questions

Match the LIST-I with LIST-II:

Match the LIST-I with LIST-II:

Match the LIST-I with LIST-II:

Match the LIST-I with LIST-II:

Match the LIST-I with LIST-II:

Match the LIST-I with LIST-II:

Match the LIST-I with LIST-II:

Match the LIST-I with LIST-II:

Match the LIST-I with LIST-II:

Match the LIST-I with LIST-II:

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:

The thermoplastics polymers differ from thermosetting polymers by
A. High tensile strength
B. 3-D chain structure
C. Linear/branched chains
D. Reprocessibility
Choose the correct answer from the options given below:

Match the major products (P) of the nitration of aniline using $Conc.~HNO_3/H_2SO_4$:

(Aromatic compound with an isobutyl side chain) $\xrightarrow[KOH, Heat]{KMnO_4}$ ? A. o-nitroaniline
B. p-nitroaniline
C. m-nitroaniline
D. 2,4-dinitroaniline
Choose the correct answer from the options given below:

Select the incorrect statements:-
A. The liquid fuels consists of hydrocarbons.
B. A bomb calorimeter is used to find low calorific value (LCV) of the fuels.
C. The gaseous fuels do not produce ash or smoke.
D. The solid fuels have higher efficiency than liquid fuels.
Choose the correct answer from the options given below:

Please choose the correct option.
A. Axial mixing and radial mixing are aided by baffles.
B. Mixing efficiency is decreased due to baffles.
C. Power consumption rises due to baffles.
D. Vortex formation is reduced due to baffles.
Choose the correct answer from the options given below:

The cross linked polyethylene have better/higher properties than poly ethylene.
A. Heat resistant
B. Solubility
C. Tg
D. Processibity
E. Impact strength
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:

Please choose correct option.
A. Cellulose is not digested by human.
B. Reaction equilibrium is shifted by enzymes.
C. Aerobic conditions are responsible for TCA cycle.
D. Branched polymer chain of glucose in plants is glycogen.
Choose the correct answer from the options given below:

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:

For a chemical reaction A $\rightleftharpoons$ B, the necessary conditions for the state of equilibrium is/are,
A. \(C_{A}=C_{B}\)
B. \(\mu_{A}=\mu_{B}\)
C. \(P_{A}=P_{B}\)
D. \(G_{A}=G_{B}\)
E. \(H_{A}=H_{B}\)
Choose the correct answer from the options given below:

Different types of waste used in construction material
A. Red mud
B. Ash of rice husk
C. Activated Carbon
D. Fly ash
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:

Arrange the NR (Natural Rubber) modulus properties in descending order with same dose of cross linkers:
A. Vulcanized NR with 30 phr Carbon black (HAF)
B. Vulcanized NR with 10 phr Plasticizer (DOP)
C. Vulcanized NR
D. Vulcanized NR with 10 phr DOP and 30 phr HAF.
Choose the correct answer from the options given below:

Arrange the following temperature terms with reference to water/water vapor:
A. Dry-bulb temperature $(T_{D})$
B. Boiling temperature $(T_{B})$
C. Dew temperature $(T_{DW})$
D. Wet bulb temperature ($T_W$)
Choose the correct answer from the options given below: