Three Solid Objects of the Same Material and of Equal

question 33

Multiple Choice

Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change in temperature is the smallest for

• A)Cube
• B)Cylinder
• C)Sphere
• D)Equal for all the three

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Definitions:

Planned Group

A term not commonly recognized in standard sources; likely refers to an assembly of individuals brought together with specific, predetermined objectives in mind. NO

Line of People

A sequence of individuals arranged one behind the other, often waiting for a service or opportunity.

Primary Group

A small social group characterized by close, personal relationships that have a strong influence on its members.

Collective

A term referring to a group of individuals who share common interests, goals, or characteristics, acting as a single entity in certain contexts.