1
GATE CE 2002
MCQ (Single Correct Answer)
+1
-0.3
The shear modulus (G), modulus of elasticity (E) and the Poisson's ratio ($$\mu$$) of a material are related as
A
$$G\;=\;\frac E{\left[2(1+\mu)\right]}$$
B
$$E\;=\;\frac G{\left[2(1+\mu)\right]}$$
C
$$G\;=\;\frac E{\left[2(1-\mu)\right]}$$
D
$$G\;=\;\frac E{\left[2(\mu - 1)\right]}$$
2
GATE CE 2000
MCQ (Single Correct Answer)
+1
-0.3
The stress-strain diagram for two materials A and B is shown below: GATE CE 2000 Strength of Materials Or Solid Mechanics - Simple Stresses Question 13 English The following statements are made based on this diagram:
I. Material A is more brittle than material B.
II. The ultimate strength of material B is more than that of A.
With reference to the above statements, which of the following applies?
A
Both the statements are false.
B
Both the statements are true.
C
I is true but II is false.
D
I is false but II is true.
3
GATE CE 2000
MCQ (Single Correct Answer)
+1
-0.3
Pick the incorrect statement from the following four statements:
A
On the plane which carries maximum normal stress, the shear stress is zero.
B
Principal planes are mutually orthogonal.
C
On the plane which carries maximum shear stress, the normal stress is zero.
D
The principal stress axes and principal strain axes coincide for an isotropic material
4
GATE CE 1991
MCQ (Single Correct Answer)
+1
-0.3
A cantilever beam of tubular section consists of 2 materials copper as outer cylinder and steel as inner cylinder. It is subjected to a temperature rise of $$20^\circ C$$ and $$\alpha_{copper}\;>\;\alpha_{steel}$$ the stresses developed in the tubes will be
A
compression in steel and tension in copper.
B
compression in copper and tension in steel.
C
No stress in both.
D
Tension in both the materials.
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Fluid Mechanics and Hydraulic Machines
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