- Bending stress only
- A combination of torsional shear stress and bending
- Direct shear stress only
- A combination of bending stress and direct shear stress
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When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor and W = Axial compressive load on the spring)?
Answer: Option 4 Let'
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When a close coiled helical spring is compressed, its wire is subjected to?
Answer: Option 1 Let'
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When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is?
Answer: Option 3 Let'
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When a closely-coiled helical spring is subjected to an axial load, it is said to be under?
Answer: Option 3 Let'
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When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the deflection of the spring ($$\delta $$) is given by (where d = Diameter of spring wire, n = No. of turns of the spring and C = Modulus of rigidity for the spring material)?
Answer: Option 4 Let'
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When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness of the spring is given by?
Answer: Option 4 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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The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity and n = Number of active coils)?
Answer: Option 1 Let'
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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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