AVIOAVM3

How many cells does battery 40678-2 contain?. 10. 15. 20. 25.

What material are the battery 40678-2 cases made of?. Stainless steel. Polyamide. Nickel-plated copper. Silicone elastomer.

What is the electrolyte used in battery 40678-2?. KOH. H2SO4. NaCl. HCl.

At what temperature can battery 40678-2 operate?. -40 to +71 °C. -20 to +50 °C. 0 to +100 °C. -10 to +60 °C.

How much electrolyte is consumed per cell in battery 40678-2?. 25 cm3 (3 in3). 30 cm3 (4 in3). 20 cm3 (2 in3). 15 cm3 (1 in3).

What is the rated capacity of battery 40678-2 at 1-hour rate?. 43 A. 24 V. 43 Ah. 20 V.

How many cells need to be tested in the polarization test for battery 40678-2?. All. 5. 10. None.

At what pressure should the vent valve of battery 40678-2 operate?. 0.5 bar (7.25 psi). 1 bar (14.5 psi). 2 bar (29 psi). 0.1 bar (1.45 psi).

When should the electrolyte level in battery 40678-2 be adjusted?. During the last 30 minutes of charge. During maintenance. During discharge. During polarization test.

What should be done if a cell in battery 40678-2 has a voltage less than 1.5 V at the end of the charge?. Discard the cell. Recharge the cell. Check the connections. Adjust the temperature.

What could cause zero battery open-circuit voltage in battery 40678-2?. Defective electrical connector. Low insulation. Leakage of electrolyte. Fully discharged battery.

What should be done if battery 40678-2 has low insulation?. Do an insulation check. Charge the battery again. Clean the battery. Tighten the nuts.

How long should battery 40678-2 be kept in "open-circuit" condition during the polarization test?. 1 hour. 2 hours. 0.5 hour. 3 hours.

What is the weight of battery 40678-2?. 38.6 kg (85.1 lbs). 30 kg (66.1 lbs). 40 kg (88.2 lbs). 35 kg (77.2 lbs).

What action should be taken if the gap between the latch lever and the base of the battery box cover latch assembly exceeds 0.025" (0.635 mm)?. Leave it as is. Increase the gap. Lightly squeeze the latch lever. Replace the latch assembly.

What is the nominal voltage of the SAFT Battery 1658-6?. 12 V. 24 V. 28 V. 36 V.

How many vented nickel-cadmium cells does the battery contain?. 10. 15. 20. 25.

For which of the following purposes is the SAFT Battery 1658-6 NOT used?. Starting the engine. Powering cabin lights. Starting the APU. Backup power during flight malfunctions.

What is the rated capacity of the battery 1658-6 ?. 10 Ah. 17 Ah. 20 Ah. 24 Ah.

What material are the battery cases made of?. Polypropylene. Polyamide. Polyethylene. Polystyrene.

What type of electrolyte is used in the SAFT Battery 1658-6?. Sulfuric acid. Hydrochloric acid. KOH solution. NaOH solution.

What should be done if the open circuit voltage of a cell is found to be 0 V during the polarization test?. Replace the battery. Replace the cell. Perform a supplementary test. Recharge immediately.

During the vent valve test, what is the pressure range within which the vent valve should open?. 0.14 to 0.5 bar. 0.1 to 0.14 bar. 0.14 to 0.7 bar. 0.1 to 0.5 bar.

What should be added to a cell with an unusually high voltage at the start of the charge?. 5 cm³ of distilled water. 10 cm³ of distilled water. 5 cm³ of electrolyte. 10 cm³ of electrolyte.

At what temperature should a cell with a voltage of less than 1.5 V be charged to identify damaged separators?. 20 °C. 25 °C. 30 °C. 35 °C.

If a cell has zero voltage when the battery circuit is open, what is the probable cause?. Low electrolyte level. Short-circuited cell. Overcharging. Incorrect maintenance.

What is the procedure if a cell shows a reversed voltage after a discharge of 1 hour at 1 C1A?. Increase charging current. Replace the cell. Decrease charging current. Adjust electrolyte level.

What is the consequence of charging a cell with insufficient electrolyte?. Increased temperature. Reduced voltage. Increased capacity. Short-circuiting.

What should be done if the electrolyte compound comes into contact with the skin?. Wipe it off immediately. Neutralize with acetic solution. Cover with a bandage. Apply antiseptic cream.

What unit is used to describe the capacity of a cell or battery?. Volt. Ampere Hours. Watt. Ohm.

How is "Capacity to battery " generally expressed?. In Joules. In Amperes. As a percentage of nominal capacity. In Kilowatt Hours.

What does constant current charging involve?. Applying a fixed voltage. Applying a fixed current. Applying a variable voltage. Applying a variable current.

In constant potential charging, what happens to the charge current as the battery voltage increases?. It remains constant. It increases. It decreases. It fluctuates randomly.

What is the purpose of a trickle charge?. To fully charge a battery quickly. To maintain a battery in a fully charged condition. To discharge a battery completely. To charge a battery intermittently.

What is meant by the "C" rate of a battery?. The charging rate in volts. The rate of charge in percentage. The discharge rate in nominal amperes. The rate of current in amperes.

How is the state of charge usually expressed?. In voltage. In amperes. As a percentage of full capacity. In watts.

What is the electrolyte in a nickel-cadmium battery?. Sulfuric acid solution. Hydrochloric acid solution. Sodium Hydroxide solution. Potassium Hydroxide solution.

What does the end-of-charge voltage measure?. Voltage at the start of the charge. Voltage while the battery is on charge. Voltage after the battery is disconnected. Voltage during discharge.

What term describes the loss of capacity due to minimal overcharge cycling?. Fading. Corrosion. Electrolyte depletion. Separator damage.

What is the function of a separator in a battery?. To store energy. To conduct electricity. To prevent metallic contact between plates. To recombine oxygen.

What is a gas barrier in a battery?. A separator that prevents oxygen recombination on the negative plate. A conductor for ion movement. A device to release excess gas. A charger component.

What is the nominal voltage of a fully charged 20-cell nickel-cadmium battery?. 12 volts. 20 volts. 24 volts. 28 volts.

How is the open circuit voltage of a battery measured?. While the battery is charging. While the battery is discharging. With no current flowing. During deep discharge.

What procedure involves a deep discharge followed by a constant current charge to correct cell imbalance?. Trickle charging. Reconditioning. Constant potential charging. Short-circuiting.

What is the nominal capacity of the M3 X-23-1 battery?. 22 AH. 23 AH. 24 AH. 25 AH.

What type of battery is the M3 X-23-1?. Lead-Acid. Nickel-Iron. Nickel-Cadmium. Lithium-Ion.

What should you remove before working with the batteries to avoid injury?. Shoes. Metal articles like bracelets and rings. Protective clothing. Eye protection.

What type of clothing should be worn while handling the batteries?. Casual clothes. Protective clothing. Formal attire. None.

Why should metal tools be insulated when working with the batteries?. To prevent electrical short. To increase efficiency. To reduce weight. For aesthetic reasons.

What kind of gas mixture do the batteries emit during charging?. Carbon dioxide and methane. Nitrogen and oxygen. Hydrogen and oxygen. Argon and helium.