MCQs: For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal________________?
i) of a stiffness matrix must be positive
ii) of a stiffness matrix must be negative
iii) of a flexibility matrix must be positive
iv) of a flexibility matrix must be negative
The correct answer is
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MCQs: Study the following statements?
i) The displacement method is more useful when degree of kinematic indeterminacy is greater than the degree of static indeterminacy
ii) The displacement method is more useful when degree of kinematic indeterminacy is less than the degree of static indeterminacy
iii) The force method is more useful when degree of static indeterminacy is greater than the degree of kinematic indeterminacy
iv) The force method is more useful when degree of static indeterminacy is less than the degree of kinematic indeterminacy
The correct answer is?
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MCQs: Maximum principal stress theory for the failure of a material at elastic point, is known________________?
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MCQs: Pick up the correct statement from the following ?
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MCQs: Pick up the correct statement from the following_.?
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MCQs: A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised___________________?
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MCQs: A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to________________?
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MCQs: Maximum strain theory for the failure of a material at the elastic limit, is known as_______________?
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MCQs: A close coil helical spring when subjected to a moment M having its axis along the axis of the helix_________________?
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MCQs: Maximum shear stress theory for the failure of a material at the elastic limit, is known________________?
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MCQs: A cantilever of length is subjected to a bending moment at its free end. If EI is the flexural rigidity of the section, the deflection of the free end, is_________________?
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MCQs: constant, depth of a cantilever of length of uniform strength loaded with Keeping breadth uniformly distributed load varies from zero at the free end and________________?
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MCQs: The force in BC of the truss shown in the given figure, is___________________?
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MCQs: The degree of indeterminacy of the frame in the given figure, is______________?
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MCQs: A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be________________?
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MCQs: In case of a simply supported Isection beam of span L and loaded with a central load W, the length of elastoplastic zone of the plastic hinge, is_________________?
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MCQs: If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is_________________?
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MCQs: If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good_______________?
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MCQs: Gradually applied static loads do not change with time their_______________?
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MCQs: A body is said to be in equilibrium if___________________?
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