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In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when?
Answer: Option 1 Let'
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When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to?
Answer: Option 2 Let'
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When a beam is subjected to a bending moment, the strain in a layer is __________ the distance from the neutral axis.?
Answer: Option 2 Let'
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When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress.?
Answer: Option 2 Let'
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A close coil helical spring when subjected to a moment M having its axis along the axis of the helix?
Answer: Option 1 Let'
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For a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the beam material and $$I$$ = Moment of inertia of the beam section.)?
Answer: Option 2
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A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where $$\sigma $$ = Stress for a plate with no hole i.e. nominal stress)?
Answer: Option 2 Let'
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According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through center of gravity (i.e. $$I$$P) is given by (where, A = Area of the section, $$I$$G = Moment of inertia of the section about an axis passing through its C.G. and h = Distance between C.G. and the parallel axis.)?
Answer: Option 1 Let'
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The neutral axis of the cross-section a beam is that axis at which the bending stress is?
Answer: Option 1 Let'
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The neutral axis of the cross-section of a beam is that axis at which the bending stress is?
Answer: Option 1 Let'
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