A. Poisson’s ratio
B. Bulk modulus
C. Modulus of elasticity
D. Shear modulus
Related Mcqs:
- The ratio of linear stress to linear strain is termed as the ____________________?
A. Modulus of elasticity
B. Modulus of rigidity
C. Bulk modulus
D. None of these - Poisson’s ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson’s ratio for structural and pressure vessel steel may be taken as ____________________?
A. 0.01
B. 0.3
C. 0.75
D. 0.95 - Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, ζ = yield strength and E = modulus of elasticity) ?
A. E
B. ζ
C. ζ/E
D. E/ζ - ____________________ strain is measured using a ‘strain rosetter’ ?
A. Volumetric
B. Shear
C. Linear
D. None of these - The ratio of shear stress to shear strain is called ____________________?
A. Bulk modulus
B. Shear modulus
C. Modulus of rigidity
D. Modulus of elasticity - Correct use of ‘factor of safety’ is very important in equipment design. It is defined as the ratio of the___________________?
A. Ultimate stress to breaking stress
B. Ultimate stress to working stress
C. Working stress to ultimate stress
D. None of these - 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 - Liquid gradient over the tray results due to the___________________?
A. Resistance offered to flow of liquids by caps & risers and the flow of gas
B. Low gas velocity
C. Large plate spacing
D. Large reflux ratio - Pick out the wrong statement. In an agitated vertical cylindrical reaction vessel, the___________________?
A. Ratio of liquid depth to tank diameter (i.e. the filling ratio) recommended for most purposes is 1
B. Filling ratio for dispersing gas in a liquid is 2 for sufficiently long contact period
C. Flat bottom and conical bottom vessels have low agitation efficiency for agitation of heavy solids in liquids
D. Dished bottom vessel has very high power consumption - Rate of filtrate delivery is inversely proportional to the___________________?
A. Filtering area & the pressure difference driving force
B. Viscosity of filtrate
C. Cake & filter medium resistance
D. Both A. and B.
