EES 102 W3D1 quiz

The diagram shows the batteries wired in

• series

• parallel

• series-parallel

Extreme care should be exercised around charging batteries because a spark could

• shock the technician

• cause an explosion

• short out the battery cell

• ruin the computer

A battery hydrometer is used to measure_____ of a battery

• charge level

• specific gravity

• electrolyte stability

• chemical balance

What is the purpose of a power converter

• charge 120 vac to 12vac

• change 120vac to 12vdc

• change 12vdc to 120vac

• change 12vdc to 120vdc

Before removing and installing a power converter the technician would

• turn the branch AC circuit breaker "on"

• always disconnect battery and AC power supply

• always disconnect battery isolator

• always short cross battery terminal (+) to ground to discharge converter filter

Inverters are rated in

• kilowatts

• kilowatt-hours

• watts

• milliwatts

When an inverter is equipped with a search mode, what is it searching for?

• adequate DC voltage

• demand for AC power

• adequate AC voltage

• demand for DC voltage

To select the proper sized inverter, you would need to know

• the size of the distribution panel

• the total voltage of the components to be used

• the total wattage of the components to be used

• the total amperage of the components to be used

What is true of inverters

• most inverters are not solid state

• Many inverters parts are technician-accessible

• inverters are not hard to repair in the field

• they have a wide range of field services available