Chemical Engineering MCQs

6108 MCQs  (Page 84 of 611)

An example of unsteady non uniform flow is the flow of liquid under pressure through a__________________?
A. Tapering pipe at constant flow rate
B. Tapering pipe at either decreasing or increasing flow rate
C. Long pipeline of constant diameter
D. None of these
Surface tension of a liquid_________________?
A. Is due to intermolecular forces of cohesion
B. Decreases with rise in temperature
C. Is responsible for the spherical shape of an isolated liquid drop
D. All a, b. & c
The ‘laughing gas’ is__________________?
A. Nitrous oxide
B. Nitric oxide
C. Nitrogen trioxide
D. Nitrogen pentoxide