Mechanical Engineering

A framed structure is perfect, if the number of members are __________ (2j – 3), where j is the number of joints.

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Question: A framed structure is perfect, if the number of members are __________ (2j – 3), where j is the number of joints.
[A].

equal to

[B].

less than

[C].

greater than

[D].

either (b) or (c)

Answer: Option A

Explanation:

No answer description available for this question.

All the steel trusses of the bridges, have one of their end roller supported, and other end hinged. The main advantage of such a support is that the truss remains stable.

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Question: All the steel trusses of the bridges, have one of their end roller supported, and other end hinged. The main advantage of such a support is that the truss remains stable.
[A].

True

[B].

False

Answer: Option A

Explanation:

No answer description available for this question.

In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is

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Question: In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is
[A].

50

[B].

100

[C].

150

[D].

200

Answer: Option B

Explanation:

No answer description available for this question.