Technician a Says That If a Relay Is Normally Open

question 8

Multiple Choice

Technician A says that if a relay is normally open, it must be energized in order to complete the controlled circuit. Technician B says that if a solenoid-operated valve is normally closed, it must be energized in order to allow flow through it.Who is correct?

• A) Technician A only
• B) Technician B only
• C) Both technicians
• D) Neither technician

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Definitions:

Heritability

The proportion of variation in a trait among individuals in a population that is due to genetic differences.

Trait

A stable characteristic or quality of an individual that influences thoughts, actions, and feelings, consistently exhibited across various situations.

Genetic Variation

Refers to the diversity in gene frequencies within a population, resulting from mutations, genetic recombination, and other sources of genetic change.

Reaction Range

The concept that an individual's genetic makeup sets a range of potentialities, and the environment determines how much of this potential is achieved.