A. Steel
B. Glass
C. Rubber
D. Brass
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) - A metal having a Poisson’s ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is________________?
A. -0.8
B. 0.8
C. +0.08
D. -0.24 - If a solid is compressed adiabatically in its elastic range, its _____________ remains constant ?
A. Internal energy
B. Enthalpy
C. Entropy
D. Temperature - The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the _____________ point of the material?
A. Elastic
B. Ultimate
C. Yielding
D. Breaking - A material being tested for endurance strength is subjected to the _____________ load?
A. Impact
B. Completely reversed
C. Dynamic
D. Static & dynamic - A material being tested for endurance strength is subjected to the _______________ load ?
A. Impact
B. Completely reversed
C. Dynamic
D. Static & dynamic - In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet ?
A. Zirconia
B. Alumina
C. Bakelite
D. Tungsten carbide - A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson’s ratio of the rod is___________________?
A. 0
B. 0.33
C. 0.44
D. 0.25 - Inertial forces are obtained, when the elastic forces are multiplied by ______________ number?
A. Mach
B. Froude
C. Reynolds
D. Euler - The elastic strain in copper is due to the__________________?
A. Motion of dislocations
B. Stretching of atomic bonds
C. Breakage of atomic bonds
D. None of the above