A. Radial
B. Circumferential
C. Both A. & B.
D. Neither A. nor B.
Related Mcqs:
- The wall thickness of thin cylindrical shell with hemispherical ends is ______________ that of the spherical ends?
A. Equal to
B. More than
C. Less than
D. Either B. or C.; depends on maximum permissible internal pressure - The longitudinal stress induced in a thin walled cylindrical vessel under internal pressure is_________________?
A. pd/2t
B. pd/4t
C. pd/t
D. pd/8t - Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is _____________ the longitudinal stress?
A. Half
B. Equal to
C. Twice
D. Eight times - The circumferential (hoop) stress in a thin walled cylindrical vessel under internal pressure is______________________?
A. pd/2t
B. pd/4t
C. pd/t
D. pd/3t - A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is________________?
A. Bending
B. Deformation
C. Shear
D. Elongation - In a cylindrical vessel subjected to internal pressure, the longitudinal stress ζL and the circumferential stress, ζn are related by___________________?
A. ζh = 2 ζL
B. ζh = ζL
C. ζh = ζL/2
D. No relation exists - The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about ______________ times the design pressure?
A. 1.5 to 2
B. 3 to 4
C. 4 to 5
D. > 5 - In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around __________________?
A. 0.5
B. 1.5
C. 2.5
D. 3.5 - A cylindrical pressure vessel of volume 6 πm3 has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm2 and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to________________?
A. 5 mm
B. 6 mm
C. 8 mm
D. 10 mm - Spherical shaped pressure vessel is considered to be the most ideal, because it can___________________?
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
Mcq Added by: admin