Civil Engineering Mcqs

In a shaft, the shear stress is not directly proportional to_________________?

• (A)  Radius of the shaft
• (B)  Angle of twist
• (C)  Length of the shaft
• (D)  Modulus of rigidity

Answer

Submitted By :Ali Uppal

The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is______________?

• (A)  WL3/3EL
• (B)  WL3/8EL
• (C)  WL3/24EL
• (D)  WL3/48EL

Answer

Submitted By :Ali Uppal

A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is___________________?

• (A)  411 N mm
• (B)  511 N mm=
• (C)  611 N mm
• (D)  711 N mm

Answer

Submitted By :Ali Uppal

The equivalent length is of a column of length having both the ends fixed, is_________________?

• (A)  2 L
• (B)  L
• (C)  L/2
• (D)  L

Answer

Submitted By :Ali Uppal

The equivalent length of a column of length L having one end fixed and the other end free, is______________?

• (A)  2L
• (B)  L
• (C)  L/2
• (D)  L

Answer

Submitted By :Ali Uppal

a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is___________________?

• (A)  el/2d
• (B)  e²l/3d²
• (C)  el²/3d²
• (D)  e²l²/3d²

Answer

Submitted By :Ali Uppal

The radius of gyration of a rectangular section (depth D, width B) from a centroidal axis parallel to the width is__________________?

• (A)  D/2
• (B)  D
• (C)  D
• (D)  D

Answer

Submitted By :Ali Uppal

section modulus of a square section of side B and that of a circular section of The ratio of the diameter D, is___________________?

• (A)  2 /15
• (B)  3 /16
• (C)  3 /8
• (D)  /16

Answer

Submitted By :Ali Uppal

The locus of reaction of a two hinged semi-circular arch, is_________________?

• (A)  Straight line
• (B)  Parabola
• (C)  Circle
• (D)  Hyperbola

Answer

Submitted By :Ali Uppal

A truss containing j joints and m members, will be a simple truss if_________________?

• (A)  m = 2j – 3
• (B)  j = 2m – 3
• (C)  m = 3j – 2
• (D)  j = 3m – 2

Answer

Submitted By :Ali Uppal