7290-457 Batteries

When is the most electrical power required from an car batteryry?r

• When the headlights are turned on

• When the engine is started

• When the horn is used

• When the automobile is stationary

What does the positive plate of a car battery contain?

• Lead

• Lead Sulphate

• Lead peroxide

• Lead nitrate

How many cells are found in a maintenance free battery?

• single cell

• Six

• Twelve

• 2.12V

Which of the following correctly describes the main energy change occurring when a battery is discharging?

• electrical to chemical

• potential to kinetic

• chemical to electrical

• chemical to heat and light

What are the constituents of electrolyte?

• 35% Sulphuric acid, 65% De-ionised water

• 35% De-ionised water, 65% Sulphuric acid

• 35% Hydracloric acid, 65% Distilled water

• 35% Acetic acid, 65% Tap water

Which of the following units measures the capacity of a battery?

• Amp

• Volt

• Watt

• Ampere/hour

Which of these represent the reserve capacity of this Battery?

• 77Ah

• 12v

• 540A

• 078

What is item arrowed in picture?

• Charge indicator

• Polarity indicator

• Fluid indicator

• Density indicator