SECTION-4

#### Strength of Material MCQ

(a) 2y
(b) 4y
(c) 8y
(d) 16y.

Ans:(d) 16y.

(a) 2y
(b) 4y
(c) y/2
(d) y/8

Ans:(a) 2y

(a) 2y
(b) 4y
(c) y/2
(d) y/8

Ans:(c) y/2

##### Q54. A uniform simply supported beam of span (l) carries a point load (W) at the centre. The downward deflection at the centre will be

(a)  Wl3/8EI
(b)  Wl3/3EI
(c) 5Wl3/384EI
(d)  Wl3/48EI

Ans:(d)  Wl3/48EI

##### Q55.A uniform simply supported beam of span (l) carries a point load (W) at the centre, the slope at the support will be

(a)  Wl2/6EI
(b)  Wl2/2EI
(c)  Wl2/24EI
(d)  Wl2/16EI

Ans:(d)  Wl2/16EI

##### Q56. A uniformly simply supported beam of span (l) carries a uniformly distributed load w per unit length over the whole span. The downward deflection at the centre will be

(a)  Wl3/8EI
(b)  Wl3/3EI
(c) 5Wl3/384EI
(d)  Wl3/48EI
where W = w × l = Total load.

Ans:(c) 5Wl3/384EI

##### Q57. A uniformly simply supported beam of span (l) carries a uniformly distributed load w per unit length over the whole span, the slope at the supported will be

(a)  Wl2/6EI
(b)  Wl2/2EI
(c)  Wl2/24EI
(d)  Wl2/16EI
where W = w × l = Total load.

Ans:(c)  Wl2/24EI

##### Q58. A cantilever of length (l) carries a distributed load whose intensity varies from zero at the free end to w per unit length at the fixed end. The deflection at the free end will be

(a)  Wl4/3EI
(b)  Wl4/8EI
(c)  11/120 Wl4/EI
(d)  Wl4/30EI

Ans:(d)  Wl4/30EI

##### Q59. A cantilever of length (l) carries a distributed load whose intensity varies uniformly from zero at the fixed end to w per unit length at the free end. The deflection at the free end will be

(a)  Wl4/3EI
(b)  Wl4/8EI
(c)  11/120 Wl4/EI
(d)  Wl4/30EI

Ans:(c)  11/120 Wl4/EI

##### Q60. The statement that ‘the deflection at any point in a beam subjected to any load system is equal to the partial derivative of the total strain energy stored with respect to the load acting at the point in the direction in which deflection is desired’ is called

(a) Bettle’s law
(b) The first theorem of Castigliano
(c) Clapeyron’s theorem
(d) Maxwell’s law.

Ans:(b) The first theorem of Castigliano

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##### Read More Sections of Strength of Material

Each section contains maximum 80 Questions. To practice more questions visit other sections.

Strength of Material MCQ – Section-1

Strength of Material MCQ – Section-2

Strength of Material MCQ – Section-3

Strength of Material MCQ – Section-4

Strength of Material MCQ – Section-5

Strength of Material MCQ – Section-6