Unit - 2 Battery

What is the typical nominal voltage per cell for a Nickel-Cadmium (NiCd) battery?

• A) 1.2 volts

• B) 2.4 volts

• C) 3.6 volts

• D) 4.2 volts

Which chemical reaction takes place at the negative electrode (anode) of a Nickel-Cadmium (NiCd) battery during discharge?

• A) Lithium-ion intercalation

• B) Cadmium oxidation

• C) Hydrogen absorption

• D) Nickel oxide reduction

In Nickel-Metal Hydride (NiMH) batteries, what type of material is typically used as the negative electrode (anode)?

• A) Cadmium

• B) Nickel oxide

• C) Hydrogen-absorbing alloy

• D) Lithium cobalt oxide

What is the approximate nominal voltage per cell for Nickel-Metal Hydride (NiMH) batteries commonly used in consumer electronics?

• A) 0.6 volts

• B) 1.2 volts

• C) 2.4 volts

• D) 3.6 volts

Which type of electrolyte is typically used in Nickel-Cadmium (NiCd) batteries?

• A) Sulfuric acid

• B) Potassium hydroxide

• C) Nickel hydroxide

• D) Cadmium sulfate

Which of the following is a common method for diagnosing battery faults?

• A) Overcharging

• B) Capacity testing

• C) Voltage boosting

• D) Temperature control

What does the term "battery state-of-charge (SOC)" refer to in the context of battery charge control?

• A) The voltage level of a battery

• B) The battery's remaining capacity compared to its fully charged capacity

• C) The time it takes to charge a battery fully

• D) The number of charge/discharge cycles a battery has undergone

What is the purpose of a Battery Management System (BMS) in charge control?

• A) To overcharge the battery for maximum capacity

• B) To monitor and control the battery's state-of-charge

• C) To provide additional power to the battery

• D) To reduce the battery's cycle life

Which of the following scenarios can lead to overcharging a battery and potential damage?

• A) Using a compatible charger provided by the manufacturer

• B) Charging the battery only when it is fully discharged

• C) Leaving the battery connected to the charger indefinitely

• D) Using the device connected to the battery continuously

What is the primary purpose of charge control algorithms in battery management?

• A) To increase battery weight

• B) To reduce battery capacity

• C) To optimize the charging process for efficiency and battery health

• D) To maximize the number of charge/discharge cycles