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Debora [2.8K]
3 years ago
14

or a metal pipe used to pump tomato paste, the overall heat- transfer coefficient based on internal area is 2 W/(m2 K). The insi

de diameter of the pipe is 5 cm. The pipe is 2 cm thick. The thermal conductivity of the metal is 20 W/(m K). Calculate the outer convective heat-transfer coefficient. The inside convective heat-transfer coefficient is 5 W/(m2 K).
Engineering
1 answer:
igomit [66]3 years ago
7 0

Answer: ok the best one would be letter s because it goes

Explanation:

467,,mm tubing should do

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What is the mechanical advantage of a pulley with 3 support ropes?
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Answer:

The mechanical advantage is 3 to 1

Explanation:

A frictionless pulley with three support ropes carries equal tension on each of the ropes thus;

Tension in each pulley rope = T

Total tension in the 3 ropes = 3 × T = 3·T

Direction of the tension forces on each rope = Unidirectional

Total force provided by the 3 ropes = 3·T

Therefore, a force, T, applied at the end of the rope will result in a lifting force of 3·T

Hence, the mechanical advantage = 3·T to T which is presented as follows;

Mechanical \ advantage = \dfrac{3 \cdot T}{T}  = \dfrac{3}{1}

The mechanical advantage = 3 to 1.

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The solution is attached in the attachment.

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