MCQOPTIONS
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MCQOPTIONS
This section includes 107 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering Questions knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of___________? |
| A. | reducing time of charging |
| B. | increasing cell capacity |
| C. | both (A) and (B) |
| D. | avoiding excessive gassing |
| Answer» D. avoiding excessive gassing | |
| 102. |
As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its__________? |
| A. | compactness |
| B. | lower e.m.f. |
| C. | small quantity of electrolyte used |
| D. | higher internal resistance |
| Answer» E. | |
| 103. |
Ampere hour capacity of an industrial battery is based on _______ hours discharge rate |
| A. | 8 |
| B. | 12 |
| C. | 16 |
| D. | 24 |
| Answer» B. 12 | |
| 104. |
All the electrical connections between the battery and vehicle should be by____________? |
| A. | thin aluminium wires |
| B. | thin copper wires |
| C. | rigid cables |
| D. | flexible cables |
| Answer» E. | |
| 105. |
A typical output of a solar cell is_____________? |
| A. | 0.1V |
| B. | 0.26 V |
| C. | 1.1 V |
| D. | 2 V |
| Answer» C. 1.1 V | |
| 106. |
A dead storage battery can be revived by___________? |
| A. | adding distilled water |
| B. | adding so-called battery restorer |
| C. | a dose of H2SO4 |
| D. | none of the above |
| Answer» E. | |
| 107. |
A constant-voltage generator has___________? |
| A. | minimum efficiency |
| B. | minimum current capacity |
| C. | low internal resistance |
| D. | high internal resistance |
| Answer» D. high internal resistance | |