A. Chain
B. Diamond
C. Zig-zag
D. None of these
A. Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for
pressure vessels operating above a pressure of 1.5 MN/m2
B. Resist half the pressure rating compared to hemi spherical head provided on the cylindrical
shell of the same thickness and diameter
C. Are approximately as strong as seamless cylindrical shell having the corresponding I.D and
O.D
D. All A., B. and C.
A. 5
B. 15
C. 7.5
D. 50
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. Density of the gas, but is independent of the viscosity of the gas
B. Density of the gas and inversely as viscosity of the gas
C. Viscosity of the gas and inversely as density of the gas
D. None of these
A. Called tube pitch
B. Called tube clearance
C. Always less than the diameter of the tube
D. None of these
A. (BTU/hr.ft2. °F)-1
B. (kcal/hr.m2.°C)-1
C. (W/m2.°K)-1
D. (kcal/hr. m. °C)-1