A. Less than
B. 1.25-1.50 times
C. 2.5 times
D. one-fourth of
A. Withstand higher pressure for a given metallic shell thickness
B. Be fabricated very easily
C. Be designed without wind load considerations
D. Be supported very easily
A. 10
B. 50
C. 100
D. 200
A. Facilitate draining out liquid from a tray when the unit is not in operation
B. Are normally located near the overflow weir so that any delivery of liquid during operation
follows approximately the same path as the overflow fluid
C. Must be large enough (usually 1/4″ to 5/8″ dia) to prevent plugging but should not deliver
excessive amount of fluid during operation
D. All A., B. and C.
A. Axial tensile stress in the pipe
B. Forces exerted by static and dynamic action at bends
C. Circumferential pipe-wall tension
D. Temperature stresses
A. 0.8
B. 0.9
C. 1.0
D. (0.8)0.5
A. 3-5
B. 5-11
C. 8-15
D. 12-18