Compute the horizontal and vertical components of force at pin B. The belt is subjected to a tension of T=100 N and passes over each of the three pulleys.

Question: A machine which is capable of doing work in the reversed direction, after the effort is removed, is called a non-reversible machine.
[A].

Yes

[B].

No

Answer: Option B

Explanation:

No answer description available for this question.

Question: If a number of coplaner forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.
[A].

equal to

[B].

less than

[C].

greater than

Answer: Option A

Explanation:

No answer description available for this question.

Question: According to lami’s theorem
[A].

the three forces must be equal

[B].

the three forces must be at 120° to each other

[C].

the three forces must be in equilibrium

[D].

if the three forces acting at a point are in equilibrium, then each force is proportional to the sine of the angle between the other two

Answer: Option D

Explanation:

No answer description available for this question.

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.

Question: One kg force is equal to
[A].

7.8 N

[B].

8.9 N

[C].

9.8 N

[D].

12 N

Answer: Option C

Explanation:

No answer description available for this question.