What Has Only a Single Value of Each Attribute of an Entity

question 14

Multiple Choice

What has only a single value of each attribute of an entity?

• A)Single-valued attribute
• B)Multi-valued attribute
• C)Null-valued attribute
• D)All of the above

Understand the basic principles that determine the enforceability of contracts.

Recognize the role of written contracts and the exceptions to the rule that contracts must be in writing to be enforceable.

Identify the essential elements required for a valid contract.

Distinguish between formal and informal contracts.

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Definitions:

Coupling Phase

The stage in connecting two rotating shafts or units where alignment and engagement are optimized for power transmission.

Variable Pitch

Referring to the capability of adjusting the angle or pitch of blades in fans, propellers, or turbines to control performance.