Related Questions

If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulus is equal to
A 2C
B 3C
C $$\frac{{2{\text{C}}}}{3}$$
D $$\frac{{3{\text{C}}}}{2}$$
The relation between Young's modulus (E), shear modulus (C) and bulk modulus (K) is given by
A $${\text{E}} = \frac{{3{\text{KC}}}}{{3{\text{K}} + {\text{C}}}}$$
B $${\text{E}} = \frac{{6{\text{KC}}}}{{3{\text{K}} + {\text{C}}}}$$
C $${\text{E}} = \frac{{9{\text{KC}}}}{{3{\text{K}} + {\text{C}}}}$$
D $${\text{E}} = \frac{{12{\text{KC}}}}{{3{\text{K}} + {\text{C}}}}$$
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 $${\text{E}} = \frac{{{\text{G}}\left( {1 + {\text{v}}} \right)}}{2}$$
D E = 2G (1 + 2v)
To determine the modulus of rupture, the size of test specimen used is
A 150 x 150 x 500 mm
B 100 x 100 x 700 mm
C 150 x 150 x 700 mm
D 100 x 100 x 500 mm
For the supply of materials for concrete, form work reinforcing and placing of concrete, removal of form work and curing of concrete, number of bar(s) required on bar chart, is
A 1
B 2
C 3
D 4
The ratio of shear modulus to the modulus of elasticity for a poisson's ratio of 0.4 will be
A 14/5
B 7/5
C 5/14
D 5/7
The shear modulus of most materials with respect to the modulus of elasticity is
A Equal to half
B Less than half
C More than half
D None of these
The ratio of plastic section modulus to elastic section modulus
A Is equal to 1
B Is always less than 1
C Is always greater than 1
D Can be less than 1
The relation between Young's modulus (E) and bulk modulus (K) is given by
A $${\text{K}} = \frac{{3{\text{m}} - 2}}{{{\text{mE}}}}$$
B $${\text{K}} = \frac{{{\text{mE}}}}{{3{\text{m}} - 2}}$$
C $${\text{K}} = \frac{{3\left( {{\text{m}} - 2} \right)}}{{{\text{mE}}}}$$
D $${\text{K}} = \frac{{{\text{mE}}}}{{3\left( {{\text{m}} - 2} \right)}}$$
একটি ইস্পাতের তারের উপাদানের ইয়ং গুণাঙ্ক Y। যদি তারের ব্যাস দ্বিগুণ করা হয় তাহলে পরিবর্তিত ইয়ং গুণাঙ্ক কত হবে? (Young's modulus of the material of a steel wire is Y. If the diameter of the wire is doubled, what will be the changed Young's modulus?)
A পূর্বের সমান (the same as before)
B পূর্বের অর্ধেক (half the previous value)
C পূর্বের দ্বিগুণ (twice the previous value)
D পূর্বের চারগুণ (four times the previous value)

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