A. Tensile
B. Fatigue
C. Impact
D. None of these
Related Mcqs:
- Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young’s modulus, G = Modulus of rigidity or shear modulus v = Poisson’s ratio) ?
A. E = 2G (1 + v)
B. E = G (1 + v)
C. E = G (1 + v)/2
D. E = 2G (1 + 2v) - The dimensional formula of bulk modulus of elasticity is same as that of the ____________________?
A. Pressure
B. Density
C. Force
D. None of these - Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2) ?
A. High speed steel
B. Stainless steel
C. Tungsten carbide
D. Superalloys - Wohler test is a destructive test to find out the ___________________ strength of a prepared metal specimen ?
A. Creep
B. Fatigue
C. Endurance
D. Tensile - According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to _______________ times the yield stress ?
A. 0.5
B. 2
C. √2
D. √3/2 - A material being tested for endurance strength is subjected to the _______________ load ?
A. Impact
B. Completely reversed
C. Dynamic
D. Static & dynamic - Yield strength of a polycrystalline metal with an average grain size „d’, is proportional to ____________________?
A. d1/2
B. d-1/2
C. d
D. d-1 - Young’s modulus of a material is the measure of its ___________________?
A. Stiffness
B. Malleability
C. Creep resistance
D. Tensile strength - ____________ test is the appropriate test to determine whether a material is ductile or brittle ?
A. Impact
B. Cupping
C. Hardness
D. Tensile - _______________ number determines whether the fluid flow in an open channel is super-critical, critical or sub-critical ?
A. Mach
B. Reynolds
C. Froude
D. Weber
