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:

Descent System

A way of tracing kinship and inheritance through either the maternal or paternal line.

Mode of Subsistence

Refers to the means by which a society obtains its basic needs for survival, such as through hunting, gathering, agriculture, or industry.

Age Grades

Social categories based on age, used in various societies to assign roles, responsibilities, and privileges.

Double Unilineal Descent

A system of lineage where individuals belong to both their father's and their mother's descent groups, incorporating elements of both patrilineal and matrilineal descent.