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211.

The deflection of a beam may be reduced by

A.	decreasing the depth of beam	B.	increasing the span
C.	providing greater end restrains	D.	any of the above methods

212.

The limiting values of Poisson's ratio are

A.	0 and 1	B.	?1 and +1
C.	?0.5 and +0.5	D.	?1 and +0.5

213.

The maximum strains at the end of plastic range of structural steel is about

A.	0.11 percent	B.	1.5 percent
C.	11 percent	D.	15 percent

214.

The web bukling in beams may be avoided by

A.	stiffening the web	B.	limiting the stress that can be used
C.	increasing the span	D.	any of the above methods

215.

For an isotropic, homogeneous and elastic material, which obeys Hooke's law, the number of independent elastic constants is

A.	1	B.	2
C.	3	D.	6

216.

Web crippling occurs due to

A.	column action of the web	B.	failure of web under concentrated load
C.	excessive bending moment	D.	secondary stresses

217.

A bronze specimen has modulus of elasticity 1.2 x 105 N/mm2 and modulus of rigidity 4.7 x 104 N/mm2. The Poisson's ratio of the material will be

A.	0.196	B.	0.276
C.	0.45	D.	0.471

218.

The shape of steel chimneys commonly used is

A.	Square	B.	Circular
C.	Octagonal	D.	Elliptical

219.

A self-supporting steel chimney transmits the lateral forces to the foundation by

A.	fixed beam action	B.	proposed beam action
C.	cantilever action	D.	simply supported beam action

220.

The allowable stresses for the design of steel chimney depend upon the ratio of

A.	area of cylindrical portion of the area flared portion	B.	volume of cylindrical portion to the volume of flared portion
C.	weight of cylindrical portion to the weight of the flared portion	D.	effective height to the radius of gyration