A. 1
B. 7 (Correct)
C. 19
D. 82
Chemical Engineering / Q&A
Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is ___________________?
A. More
B. Less (Correct)
C. Same
D. Either A. or B.; depends upon the I.D. of the pipe
Which of the following exemplifies an adiabatic process ?
A. Melting of ice
B. Condensation of alcohol vapor
C. Sudden bursting of a cycle tube (Correct)
D. Evaporation of water
Differential method for analysing the kinetic data is used ___________________?
A. For testing complicated mechanisms (Correct)
B. When the data are scattered
C. When rate expressions are very simple
D. None of these
Each term of the Bernoulli’s equation written in the form, (p/ρ) + (g/gc). Z + (v2/2gc) = constant, represents the total energy per unit ________________?
A. Mass (Correct)
B. Volume
C. Specific weight
D. None of these
Melting of ice is an example of an _____________ process?
A. Adiabatic
B. Isothermal (Correct)
C. Isometric
D. None of these
For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion does not depend on the________________?
A. Steam to ethylene ratio
B. Temperature
C. Pressure
D. None of these (Correct)
Back-trapping in a distillation column results due to_________________?
A. Low gas velocity
B. High gas velocity
C. Excessive liquid gradient over the tray (Correct)
D. Low reflux ratio
Atoms of the same element, but of different masses are called__________________?
A. Isobars
B. Isotones
C. Isotopes (Correct)
D. None of these
Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is _____________ the longitudinal stress?
A. Half
B. Equal to
C. Twice (Correct)
D. Eight times