For a Laminar Flow of Fluid in a Circular Tube

question 8

Multiple Choice

For a laminar flow of fluid in a circular tube, 'h1' is the convective heat transfer co-efficient at velocity 'V1'. If the velocity is reduced by half and assuming the fluid properties are constant, the new convective heat transfer co-efficient is

• A)1.26 h1
• B)0.794 h1
• C)0.574 h1
• D)1.741 h1

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Definitions:

Needle Hub

The portion of a needle assembly that connects the needle to the syringe or a tubing system for the delivery or withdrawal of fluids.

Needle Shaft

The long, slender portion of a needle that extends from the point to the hub, through which fluids are injected or withdrawn.

Needle Bevel

The angled surface at the tip of a needle designed to facilitate skin penetration.

Nerve Injury

Damage to a nerve or group of nerves that results in loss of sensation, movement, or function in the body.