EES 102 W3D2 QUIZ

Which device keeps the batteries charged to provide the necessary 12vdc power

• isolator

• inverter

• alternator

• rectifier

Solar power is the production of electricity when________strikes a photovoltaic module

• ambient temperature

• a non-renewable energy source

• sunlight

• fuel cells

If the battery voltage with the engine off is 12.65 VDC, and once the engine is started, the battery voltage is at 14.5 VDC. This could indicate

• faulty regulator

• faulty alternator

• loose battery cable connection

• normal condition

A single photovoltaic cell has the capacity to produce

• 120VAC

• 24 volts

• 5 watts

• 0.5 volts

When connecting a solar panel, the technician must connect the solar panel

• directly to the inverter

• to a battery bank and then the inverter

• to a battery bank, then a circuit breaker and then the inverter

• to a battery bank, then a circuit breaker, then a charger, then the inverter

When installing solar panels, the crystalline and polycrystalline units should be mounted with

• at a 45 degree angle toward the sun for better efficiency

• at least 1 inch of clearance under the units for air flow

• flat on the roof

• with 5% loss of output because of temperature

A diode is a semiconductor that passes current

• in any direction

• only with high voltages

• only in one direction

• when used as a triggering device

The purpose of a relay is to

• provide circuit protection for high amp load

• electrically open or close another switch

• provide time delay for a high amp load

• switch low amp load with high amp switch and wiring