avionica

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 is the maximum weight of the battery?. 15.5 kg. 18.5 kg. 20.5 kg. 22.5 kg.

"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.

"f 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.