Civil Engineering Mcqs

Gradually applied static loads do not change with time their_______________?

(A) Magnitude
(B) Direction
(C) Point of application
(D) All the above

Submitted By :Ali Uppal

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_______________?

(A) E = 3K (1 – 2/m)
(B) E = 2N (1 + 1/m)
(C) (3/2)K (1 – 2/m) = N (1 + 1/m)
(D) All the above

Submitted By :Ali Uppal

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_________________?

(A) (IX + IY)/2
(B) (IX – IY)/2
(C) IX + IY
(D) (I /I )

Submitted By :Ali Uppal

In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is_________________?

(A) L/2
(B) L/3
(C) L/4
(D) L/5

Submitted By :Ali Uppal

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________________?

(A) 2/3
(B) 3/2
(C) 5/8
(D) 8/5

Submitted By :Ali Uppal

In the truss shown in given figure the force in member DC is________________?

(A) 100 t compressive
(B) 100 t tensile
(C) Zero
(D) Indeterminate

Submitted By :Ali Uppal

A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is________________?

(A) L/d
(B) L/2d
(C) (L/2d)²
(D) (L/3d)²

Submitted By :Ali Uppal

The strain energy due to volumetric strain________________?

(A) Is directly proportional to the volume
(B) Is directly proportional to the square of exerted pressure
(C) Is inversely proportional to Bulk modulus
(D) All the above

Submitted By :Ali Uppal

The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called______________?

(A) Stiffness
(B) Proof resilience
(C) Proof stress
(D) Proof load

Submitted By :Ali Uppal

A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is_____________?

(A) 25 N
(B) 30 N
(C) 35 N
(D) 40 N

Submitted By :Ali Uppal

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