Test: Struts & Columns - 1
10 Questions MCQ Test Topicwise Question Bank for Mechanical Engineering | Test: Struts & Columns - 1
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Slenderness ratio
Consider a column of aluminium alloy having modulus of elasticity 70 x 105 N/cm2 and a yield strength of 50 x 102 N/cm2. The least value of slenderness ratio will be closer to
Two steel struts have the same cross-sectional areas. One is a solid one and the other is a hollow with internal diameter three-fourth of the external diameter. The ratio of the strength of the solid steel strut to that of the hollow one is
All of the following statements about kern are correct, except
The kern of a rectangular section is diamond shaped.
The ratio of the core of a circular section to the area of circular section when used as a short column is
Euler’s formula gives 5 to 10% error in crippling load as compared to experimental results in practice due to
The ratio of critical loads a column can carry when it end conditions are best and worst is
The column of length 240 cm, area of cross- section 20 cm 2, moment of inertia 1XX = 720 cm4 and Iyy = 80 cm4 is subject to buckling load. The data corresponds to slenderness ratio
and
Slenderness ratio is the ratio of length and least radius of gyration
∴ 
A column of rectangular cross-section (IXX > IYY) is subject to an axial load. What is the axis about which the column will have atendency to buckle?
Buckling tendency is always along least radius of gyration.
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