Engineering High School

during a load test, a battery's voltage drops below a specific value. what action should the technician take?

A. Recharge and retest.
B. Allow battery to become fully discharged and retest.
C. immediately replace
D. None if above
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Answers

Answer 1

Answer:

B

Explanation:

allow battery to become fully discharged and retest

Answer 2

When fully charged, a normal 12-volt automotive battery will have about 12.6 volts. The voltage just needs to fall to about 10.5 volts to be deemed fully discharged. The battery will suffer harm owing to severe sulfation if it falls below that level. Thus, option B is correct.

What battery's voltage drops below a specific value?

Changes in Voltage Occur During Discharge, The voltage of each cell is approximately 2.5 to 2.7 volts before the charging circuit is opened at the conclusion of a charge. The voltage of the cell rapidly reduces to roughly 2.1 volts within three or four minutes of the charging circuit being opened.

The voltage across the battery terminals decreases if a load is connected across the battery. The battery's internal resistance is to blame for this voltage drop. By measuring the open-circuit voltage and the voltage across the battery's terminals when a load is connected, we can determine the internal resistance.

Therefore, allow battery to become fully discharged and retest should the technician take.

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Related Questions

e) What are the major jobs of a nurse?

​

Answers

Answer:

the major jobs of a nurse are

1.to take care of patients

2.to give medicine to patients in time

3.to help doctors in operation time

Employees are working within an excavation that is more than 4 foot deep and cannot safely exit the site. What is a hazard that needs to be addressed in this situation?
Select the best option.

Access/Egress


Oxygen Deficiency and Toxic Fumes


Water Accumulation

Answers

The answer is Access/egress because the victim can get oxygen from the top and water from the other workers.

A hazard that needs to be addressed in the given situation is Access/Egress. Option A is correct.

What is the significance of Access and Egress?

When handling a security or emergency scenario, access and egress points are crucial. It is crucial to have rapid access to and exit from the building in case of an emergency.

Planning entrance and egress locations should be done while creating evacuation routes. A safe escape that people can use in an emergency is called emergency egress. In an emergency circumstance like a fire, emergency access and escape are crucial.

In the given case, Employees are working within an excavation that is more than 4 foot deep and cannot safely exit the site, this is clearly deined that the Access/Egress is a hazard that must be dealt.

Therefore, option A is correct.

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2. An AC current of

is large enough to cause muscle contractions.

a.12 mA

b.35 mA

с.5 mA

d.100 mA

Answers

Answer:

100 mA (1 A) because a current between 1 A - 4.3 A causes muscle contractions

Identify the career that matches the description.

Installs glass in windows:

Makes sure buildings follow regulations:

Uses large construction equipment, such as bulldozers:

Directs and oversees large construction projects:

Performs physical work such as lifting and digging:

Answers are: Glazier, Construction Inspector, Operating Engineer, Construction Manager, and Construction Laborer

Answers

Answer:

1. Glazier

2. Construction Inspector

3. Operating Engineer (Bulldozer operator)

4. Construction Manager

5. Construction Laborer

Identifying  the career that matches the description are

Installs glass in windows: Glazier

Makes sure buildings follow regulations: Construction Inspector

Uses large construction equipment, such as bulldozers:  Operating Engineer

Directs and oversees large construction projects: Construction Manager

Performs physical work such as lifting and digging: Construction Laborer

What is a Career?

A career is referred to what an individual chooses as a profession to earn something. A career of an individual is based on his talents, skills, and abilities which help him to seek growth and development and achive the goals of life.

A construction manager refers to an individual who manages and controls the functioning of construction sites in order to complete projects timely.

A construction inspector is responsible for examining whether the guidelines and regulations while performing construction activities are met.

Construction labor is said to be an individual who performs work that requires hard work like lifting and digging materials used in construction.

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