1
GATE ME 2008
MCQ (Single Correct Answer)
+2
-0.6
A two dimensional fluid element rotates like a rigid body. At a point within the element, the pressure is $$1$$ unit. Radius of the Mohr's circle, characterizing the state at that point, is
A
0.5 unit
B
0 unit
C
1 unit
D
2 unit
2
GATE ME 2008
MCQ (Single Correct Answer)
+2
-0.6
A solid circular shaft of diameter 100 mm is subjected to an axial stress of 50 MPa. It further subjected to a torque of 10 KN-m. The maximum principal stress experienced on the shaft is closest to
A
41 MPa
B
82 MPa
C
164 MPa
D
204 MPa
3
GATE ME 2004
MCQ (Single Correct Answer)
+2
-0.6
The Mohr's circle of plane stress for a point in a body is shown. The design is to be done on the basis of the maximum shear stress theory for yielding. Then, yielding will just begin if the designer chooses a ductile material whose yield strength is
A
45 MPa
B
50 MPa
C
90 MPa
D
100 MPa
4
GATE ME 2003
MCQ (Single Correct Answer)
+2
-0.6
A shaft subjected to torsion experiences a pure shear stress $$\tau$$ on the surface. The maximum principal stress on the surface which is at $$45$$0 to the axis will have a value
A
$$\tau \,\cos \,\,{45^ \circ }$$
B
$$2\tau \,\cos \,\,{45^ \circ }$$
C
$$\tau \,{\cos ^2}\,\,{45^ \circ }$$
D
$$2\tau \,si{n^2}\,\,{45^ \circ }\,\,\cos \,{45^ \circ }$$
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