Electrolysis and Storage battery- Electrical Engineering (MCQ) questions and answers

ELECTRICALGENIE

1. A solar cell is





Theory link: Battery

2. What is load cell?





3. Generally the Leclanche Cell is used for





4.Internal resistance of a cell depends on





5. Positive Electrode of a dry cell is made of





6. Salt solutions are





7. Which of the following batteries does not require Trickle charging?





8. In dey cell,electron are release at





9. If m identical cell of emf V and internal resistance 'r' are connected in series, the _________ a current through an external resistance R equal to





10.Trickle charging of a storage battery helps to





11.Active materials of a lead acid cell are





12.Sulphation in a lead-acid battery occurs due to





13. The capacity of lead-acid cell does not depend on its





14. During charging the specific gravity of the electrolyte of a lead-acid battery





15.The active materials on the positive and negative plates of a fully charged lead-acid battery are





16. When a lead-acid battery is in fully charged condition, the colour of its positive plate is





17. The value of specific Gravity of acid when a lead-acid battery is fully charged is





18. The active materials of nickel-iron battery are





19.The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is





20.The best indication about the state of charge on a lead-acid battery is given by






21.Which of the following capacitor has relatively shorter shell life?





22.The capacitor preferred for high frequency circuits:





23.Which of the following capacitor will have least value of breakdown voltage?





24. Lossy capacitor, it's series equivalent resistance value will be





25.Internal heating of a capacitor is usually attributed to:





26. A capacitor in a circuit became hot and ultimately, exploded due to wrong connection, which type of capacitor it would be?





27. Which of the following capacitor is marked for polarity?





28.An electrolytic capacitor is generally made to provide :





29. If a battery has not been used for a long period then the same should be put on:





30.Which one of the following act as depolarizer in a dry cell?





31.The process of coating of a metallic surface with a harder metal by electro- deposition is known as :





32. What is the name of the instrument used to measure the specific density of a battery





33. A battery has a short circuit current 30A and open circuit voltage of 24 V. If the battery is connected to an electric bulb of resistance 2 ohm, the power dissipation by the bulb is :





34.The storage battery generally used in electric power station is





35.Trickle charger of a storage battery helps to





36.On over charging a battery





37.Battery charging equipment is generally installed





38.Battery container should be acid resistance therefore it is made up of





39.Following will happen if battery charging rate is too high





40.Ampere hour capacity of an industrial battery is based on ..........hours discharge rate






41.Which of the following battery is used for aircraft?





42. f a battery is to be charged at a much higher rate as compared to normal charging rate, the charging should be restricted to





43.A floating battery is one





44. Which test is used to ascertain whether the battery plates are defective or not ?





45.The electrode for a battery must be





46. Shell Life of a small dry cell is





47. “The mass of an ion liberated at an electrode is directly proportional tothequantity of electricity”. The above statement is associated with





48.. The charge required to liberate one gram equivalent of any substance is knownas ______ constant





49. The capacity of a lead-acid cell does not depend on its





50.The active materials on the positive and negative plates of a fully chargedleadacid battery are





51.When a lead-acid battery is in fully charged condition, the colour of its positiveplate is





52. . A dead storage battery can be revived by





53. As compared to constant-current system, the constant-voltage systemof charging a lead acid cell has the advantage of





54.3. It is noticed that durum charging






55.The active materials of a nickel-iron battery are





56.The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acidcell is





57. The output voltage of a charger is





58. . Duringthe charging and discharging of a nickel-iron cell





59. As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its





60.Those substances of the cell which take active part in chemical combinationand hence produce electricity during charging or discharging are knownas______materials.





Post a Comment

Oops!
It seems there is something wrong with your internet connection. Please connect to the internet and start browsing again.
AdBlock Detected!
We have detected that you are using adblocking plugin in your browser.
The revenue we earn by the advertisements is used to manage this website, we request you to whitelist our website in your adblocking plugin.
Site is Blocked
Sorry! This site is not available in your country.