MCQs of Fundamentals of Statically Determinate Structures (Structural Analysis - I - 3140603)

Structural Analysis - I (3140603) MCQs

MCQs of Fundamentals of Statically Determinate Structures

Showing 61 to 70 out of 84 Questions

61.

A circular three pinned arch of span 20 m and a rise of 5 m is hinged at a crown and springing. It carries a load of u.d.l. of 10 kN/m over entire span. The horizontal thrust at the right springing will be

(a)	100 kN
(b)	600 kN
(c)	400 kN
(d)	800 kN

62.

A cylinder is said to be thin if the ratio of its thickness and diameter, is less than

(a)	1/25
(b)	1/20
(c)	1/15
(d)	1/10

63.

An open-ended cylinder of radius r and thickness t is subjected to internal pressure p. The Young's modulus for the material is E and Poisson's ratio is μ. The longitudinal strain is

(a)	zero
(b)	$\frac{p r}{t E}$
(c)	$\frac{p r}{2 t E}$
(d)	none of these

64.

The stress in the wall of a cylinder in a direction normal to its longitudinal axis, due to a force acting along the circumference, is known as

(a)	yield stress
(b)	longitudinal stress
(c)	hoop stress
(d)	circumferential stress

65.

The ratio of the tensile stress developed in the wall of a boiler in the circumferential direction to the tensile stress in the axial direction, is

(a)	4
(b)	3
(c)	2
(d)	1

66.

If p is the internal pressure in a thin cylinder of diameter d and thickness t, the developed hoop stress, is

(a)	$\frac{p d}{2 t}$
(b)	$\frac{p d}{4 t}$
(c)	$\frac{p d}{t}$
(d)	$\frac{2 p d}{t}$

67.

Pick up the correct statement from the following:

(a)	Hoop strain of the walls of a cylinder due to liquid is $\frac{p d}{2 t E} [1 - \frac{1}{2 m}]$
(b)	Longitudinal strain in the walls of a cylinder due to liquid is $\frac{p d}{2 t E} [\frac{1}{2} - \frac{1}{m}]$ h>
(c)	Volumetric change in the cylinderdue to liquid is $\frac{p d}{2 t E} [\frac{5}{2} - \frac{2}{m}]$
(d)	All the above

68.

The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is

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

69.

An isolated load W is acting at 'a' distance a from the left hand support, of a three hinged arch of span 2L and rise h hinged at the crown, the horizontal reaction at the support, is

(a)	$\frac{W a}{h}$
(b)	$\frac{W a}{2 h}$
(c)	$\frac{2 W}{h a}$
(d)	$\frac{2 h}{W a}$

70.

The equation of a parabolic arch of span l and rise h, is given by

(a)	$y = \frac{h x}{L^{2}} (L - x)$
(b)	$y = \frac{2 h x}{L^{2}} (L - x)$
(c)	$y = \frac{3 h x}{L^{2}} (L - x)$
(d)	$y = \frac{4 h x}{L^{2}} (L - x)$

Showing 61 to 70 out of 84 Questions