A. Changes in temperature
B. Cross-sectional area
C. Both A. and B.
D. Neither A. nor B.
A. (ph – dh)/ph
B. (ph – dh . dt/2)/ph
C. (ph – dt)/ph
D. (ph – dh)/dh
A. Modulus of elasticity
B. Modulus of rigidity
C. Bulk modulus
D. None of these
A. 2.5-3.0
B. 5-7.5
C. 10-12.5
D. 15-20
A. Inadequate equipment design
B. Faulty operating procedures
C. Improper layout of the equipments
D. Failure of equipments
A. 4 A/P
B. A/P
C. 4 P/A
D. √A
A. Least radius of gyration
B. Axis of the load
C. Perpendicular to the axis of the load
D. None of these
A. Permissible slot velocity
B. Tray diameter
C. Liquid load
D. Vapor load
A. 75% cut segmental baffle
B. 25% cut segmental baffle
C. Orifice baffle
D. Disk and doughnut baffle
A. Equal to
B. Half
C. One fourth
D. Three fourth