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261.

In a three-hinged beam, the bending moment will be zero at

A.	the left hinge	B.	the right hinge
C.	both the hinges	D.	the crown

262.

A propped cantilever is indeterminate externally to

A.	the second degree	B.	the third degree
C.	the fourth degree	D.	None of the above

263.

The shear stress when a circular shaft subjected to torsion is

A.	maximum, maximum	B.	minimum, minimum
C.	maximum, minimum	D.	minimum, maximum

264.

Principal strains occur on three planes which are

A.	mutually perpendicular to each other	B.	arbitrary in nature
C.	inclined to one another at 45?	D.	None of the above

265.

The theory of failure suitable for brittle materials is

A.	distortion energy theory	B.	maximum strain energy theory
C.	maximum shear stress theory	D.	maximum principal stress theory

266.

A cantilever beam of length 5 m carries a uniformly distributed load of 100 Newtons/m throughout its length. The maximum shearing force in the beam will be

A.	100 N	B.	250 N
C.	500 N	D.	1250 N

267.

In a tensile test conducted on a ductile material, the ratio of the true stress to the engineering stress, is approximately

A.	0.2	B.	1.05
C.	0.9	D.	10

268.

The ratio of the area under the bending moment diagram between any two points along a beam to the flexural rigidity EI gives the change to the following parameter between the two points

A.	deflection	B.	shear force
C.	slope	D.	bending moment

269.

In SI units, one bar is equal to

A.	0.1 N/mm2	B.	1.0 N/mm2
C.	1.0 N/cm2	D.	10.0 N/m2

270.

Elasticity is the property of the material due to which it can be

A.	draw into wires	B.	beaten into sheets
C.	drawn into thinner sections	D.	rolled into bars
E.	None of the above