Rails are bent to correct curvature if the degree of curve, is more than 1� 2� 3

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Question
Rails are bent to correct curvature if the degree of curve, is more than
Options
A. 1�
B. 2�
C. 3�
D. 4�
E. 6�

Correct Answer

4�

More questions

1. Kinetic friction may be defined as
Options
A. friction force acting when the body is just about to move
B. friction force acting when the body is in motion
C. angle between normal reaction and resultant of normal reaction and limiting friction
D. ratio of limiting friction and normal reaction.

2. A scissors cross-over consists of
Options
A. two pairs of points, four acute angle crossings and two obtuse angle crossings
B. four pairs of points, four acute angle crossings and four obtuse angle crossings
C. four pairs of points, six acute angle crossings and two obtuse angle crossings
D. two pairs of points, six acute angle crossings and four obtuse angle crossings.

3. The Mohr's straight theory is based on the following fact :
Options
A. Material fails essentially by shear
B. Ultimate strength of the material is determined by the stress in the plane of slip
C. Failure criterion is independent of the intermediate principal stress
D. All the above.

5. Maximum strain theory for the failure of a material at the elastic limit, is known as
Options
A. Guest's or Trecas' theory
B. St. Venant's theory
C. Rankine's theory
D. Haig's theory
E. Von Mises's theory.

7. Pick up the correct statement from the following:
Options
A. Styrene resin is produced from ethylene which is made from petroleum
B. Styrene resin is light in weight
C. Styrene resin transmits ultraviolet waves of light
D. Styrene resin is used to manufacture utensils which are unaffected by chemicals
E. All the above.

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