239) According to I.B.R., the factor of safety of riveted joint should not be less than

Answer is:

4

Machine Design MCQ with Answers

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240) Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is

Answer is:

F + P

241) The bearings of medium series have capacity __________ over the light series.

Answer is:

30 to 40%

242) The antifriction bearings

Answer is:

all of these

Explanation:

The antifriction bearings
* have low starting and low running friction at moderate speeds
* have high initial cost
* can carry both radial and thrust loads

243) In a partial journal bearing, the angle of contact of the bearing with the journal is

Answer is:

120 Degree

Machine Design MCQ with Answers

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239) According to I.B.R., the factor of safety of riveted joint should not be less than

4

Machine Design MCQ with Answers

Related Machine Design MCQ with Answers

240) Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is

F + P

241) The bearings of medium series have capacity __________ over the light series.

30 to 40%

242) The antifriction bearings

all of these

243) In a partial journal bearing, the angle of contact of the bearing with the journal is

120 Degree

Machine Design MCQ with Answers