A. Cristobalite
B. Tridymite
C. Quartz
D. None of these
Chemical Engineering MCQS
A. Triangular pitch
B. Square pitch
C. Diagonal square pitch
D. Heat transfer rate is independent of tube arrangement
May 20, 2022
A. CO (upto 65%) & CO2
B. CO2 & H2
C. CO & O2
D. CO2 & O2
May 20, 2022
A. Hydrocarbons
B. NOx
C. SO2
D. CO
May 20, 2022
A. 50°C and 3 – 4 kg/cm2
B. 50°C and 1 kgf/cm2
C. 250°C and 10 kgf/cm2
D. 250°C and 1 kgf/cm2
May 20, 2022
A. Foaming
B. Odour nuisances
C. Undesirable plant growth
D. Turbidity
May 20, 2022
A. Electric arc struck between electrodes and the charge
B. Flow of current through a heating element
C. Combination of induced current and skin effect
D. None of these
May 20, 2022
A. Flow in a straight line
B. Steady uniform flow
C. Unsteady uniform flow
D. A flow which does not account for changes in transverse direction
May 20, 2022
A. Copper is the metal having the highest electronic conductivity
B. Hardenability & Weldability of metals are inversely related
C. Covalent bonding formed by sharing of electrons is present in all semi-conductor materials
D. Glass transition temperature applies to ‘polymers’ but not to ‘glasses’
May 20, 2022