Electrolysis and Storage of Batteries Mcqs
This set of Electrical engineering Multiple Choice Questions & Answers (MCQs) focuses on study of “Electrolysis and Storage of Batteries”. These questions are chosen from a collection of most authoritative and best reference books on Electrical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Electrolysis and Storage of Batteries Mcqs comprehensively.
2. A typical output of a solar cell is_____________?
0.1V
0.26 V
1.1 V
2 V
3. A constant-voltage generator has___________?
Minimum efficiency
Minimum current capacity
Low internal resistance
High internal resistance
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4. Which of the following factors adversely affects the capacity of the leadacid battery ?
Temperature of surroundings
Specific gravity of electrolyte
Rate of discharge
All of the above
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5. In a lead-acid battery the energy is stored in the form of___________?
Charged ions
Chemical energy
Electrostatic energy
Electromagnetic energy
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6. Satellite power requirement is provided through________?
Solar cells
Dry cells
Nickel-cadmium cells
Lead-acid batteries
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7. Cells are connected in parallel to__________?
Increase the efficiency
Increase the current capacity
Increase the voltage output
Increase the internal resistance
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8. Which among the following constitutes the major load for an automobile battery _________?
Brake light
Self starter
Parking lights
Spark plugs
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9. When the load resistance equals the generator resistance which of the following will be maximum __________?
Current
Efficiency of the circuit
Power in the load resistance
Voltage across the load resistance
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10. Under normal charging rate, the charging current should be__________?
10% of capacity
20% of capacity
30% of capacity
40% of capacity
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11. Which of the following is incorrect ?
A storage cell has a reversible chemical reaction
A lead-acid cell can be recharged
A carbon-zinc cell has unlimited shelf life
A primary cell has an irreversible chemical reaction
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12. While preparing electrolyte for a lead-acid battery___________?
Water is poured into acid
Acid is poured into water
Anyone of the two can be added to other chemical
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13. The common impurity in the electrolyte of lead-acid battery is_____________?
Chlorine
Dust particles
Lead crystals
Iron
14. Petroleum jelly is applied to the electrical connections to the lead-acid battery___________?
Prevent local heating
Prevent short-circuiting
Reduce path resistance
Prevent corrosion
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15. Which of the following cell has a. reversible chemical reaction ___________?
Lead-acid
Mercury oxide
Carbon-zinc
Silver-oxide
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