Structural Analysis - I (3140603) MCQs

MCQs of Direct and Bending stresses + Column & Struts

Showing 31 to 40 out of 61 Questions
31.
A long vertical member, subjected to an axial compressive load, is called
(a) a column
(b) a strut
(c) a tie
(d) a stanchion
Answer:

Option (a)

32.
Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose
(a) one end is fixed and other end is hinged
(b) both ends are hinged or pin jointed
(c) one end is fixed and the other end entirely free
(d) both the ends are fixed
Answer:

Option (d)

33.
The slenderness ratio of a vertical column of square cross- section of 10 cm side and 500 cm long, is
(a) 117.2
(b) 17.3
(c) 173.2
(d) 137.2
Answer:

Option (c)

34.
The equivalent length of a column fixed at one end and free at the other end, is
(a) 0.5L
(b) 0.7L
(c) L
(d) 2L
Answer:

Option (d)

35.
The equivalent length of a column fixed at both ends, is
(a) 0.5L
(b) 0.7L
(c) L
(d) 2L
Answer:

Option (a)

36.
A column is said to be of medium size if its slenderness ratio is between
(a) 20 and 32
(b) 32 and 120
(c) 120 and 160
(d) 160 and 180
Answer:

Option (b)

37.
The radius of gyration of a section of area A and least moment of inertia I about the centroidal axis, is
(a) AI
(b) IA
(c) IA
(d) AI
Answer:

Option (c)

38.
For calculating the allowable stress of long columns. The empirical formula σ0=σyn1-aLr
(a) Straight line formula
(b) Parabolic formula
(c) Perry's formula
(d) Rankine's formula
Answer:

Option (a)

39.
The equivalent length of a column of length L, having both the ends hinged, is
(a) 2L
(b) L
(c) 0.5L
(d) 0.7L
Answer:

Option (b)

40.
P=π2EIL2 is the equation for Euler's crippling load if
(a) both the ends are fixed
(b) both the ends are hinged
(c) one end is fixed and other end is free
(d) one end is fixed and other end is hinged
Answer:

Option (b)

Showing 31 to 40 out of 61 Questions