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Test: Theory Of Columns - 2


6 Questions MCQ Test Topicwise Question Bank for GATE Civil Engineering | Test: Theory Of Columns - 2


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This mock test of Test: Theory Of Columns - 2 for Civil Engineering (CE) helps you for every Civil Engineering (CE) entrance exam. This contains 6 Multiple Choice Questions for Civil Engineering (CE) Test: Theory Of Columns - 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Theory Of Columns - 2 quiz give you a good mix of easy questions and tough questions. Civil Engineering (CE) students definitely take this Test: Theory Of Columns - 2 exercise for a better result in the exam. You can find other Test: Theory Of Columns - 2 extra questions, long questions & short questions for Civil Engineering (CE) on EduRev as well by searching above.
QUESTION: 1

The rectangular column shown in the figure below carries a load P having eccentricities ‘ex’ and ' ey ’ along the x-axis and y-axis respectively. The stress at any point (*, y) is given by

Solution:

Stress at any point

QUESTION: 2

Euler’s formula for a mild steel long column hinged  at both end is not valid for slenderness ratio

Solution:

According to Euler's theory,

For a mild steel coumn,
σy = 300 N/mm2 and 
E = 2.1 x 105
∴
Hence, when the slenderness ratio is less than this limit for mild steel columns , Euler’s formula will not be valid.

QUESTION: 3

The buckling load for a column pinned at both ends is 10kN. If the ends are fixed, the buckling load changes to

Solution:


For both ends pinned,
 = 4 x 10 = 40kN

QUESTION: 4

The radius of gyration of a rectangular section (depth d, width b) from a centroidal axis parallel to the width is
Solution:

Radius of gyration,

QUESTION: 5

For no tension in column of diameter D, the eccentricity of the compressive load must be less than
Solution:

For no tension condition, 

QUESTION: 6

The Rankine constant in the formula for axial loads on column made of material of crushing strength fc and modulus of elasticity E is
Solution:

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