MCQs of Strain energy & Displacement of Statically Determinate structures (Structural Analysis - I - 3140603)

Structural Analysis - I (3140603) MCQs

MCQs of Strain energy & Displacement of Statically Determinate structures

Showing 1 to 10 out of 59 Questions

In a bar of large length when held vertically and subjected to a load at its lower end, its own-weight produces additional stress. The maximum stress will be

(a)	at the lower cross-section
(b)	at the built-in upper cross-section
(c)	at the central cross-section
(d)	at every point of the bar.

The property of a material by which it can be drawn to a smaller section, due to tension, is called

(a)	plasticity
(b)	ductility
(c)	elasticity
(d)	malleability

The phenomenon of slow growth of strain under a steady tensile stress, is called

(a)	yielding
(b)	creeping
(c)	breaking
(d)	none of these

The practical units of work, is

(a)	Erg
(b)	Joule
(c)	Newton
(d)	Dyne

When a body falls freely under gravitational force, it possesses

(a)	maximum weight
(b)	minimum weight
(c)	no weight
(d)	no effect on its weight.

As compared to uniaxial tension or compression, the strain energy stored in bending is only

(a)	$\frac{1}{8}$
(b)	$\frac{1}{4}$
(c)	$\frac{1}{3}$
(d)	$\frac{1}{2}$

The energy stored in a beam of length L subjected to a constant B.M. is

(a)	$\frac{M^{2} L}{2 E I}$
(b)	$\frac{M L^{2}}{2 E I}$
(c)	$\frac{M^{2} L}{E I}$
(d)	$\frac{M L^{2}}{E I}$

The maximum stress intensity due to a suddenly applied load is x-times the stress intensity produced by the load of the same magnitude applied gradually. The value of x is

(a)	1
(b)	2
(c)	3
(d)	1/2

Strain energy of a member may be equated to

(a)	$a v e r a g e r e s i s \tan c e \times d i s p l a c e m e n t$
(b)	$\frac{1}{2} \times s t r e s s \times s t r a i n \times a r e a o f i t s c r o s s - s e c t i o n$
(c)	$\frac{1}{2} \times s t r e s s \times s t r a i n \times v o l u m e o f m e m b e r$
(d)	$\frac{1}{2} \times {(s t r e s s)}^{2} \times v o l u m e o f m e m b e r + Y o u n g' s m o d u l u s E$

10.

Strain energy of any member may be defined as work done on it

(a)	to deform it
(b)	to resist elongation
(c)	to resist shortening
(d)	all the above

Showing 1 to 10 out of 59 Questions