Computer Programming MCQs

5739 MCQs  (Page 147 of 574)

Attempt Computer Programming MCQs Quiz
The output voltage of a charger is__________?
A. Less than the battery voltage
B. Higher than the battery voltage
C. The same as the battery voltage
D. None of the above
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The best indication about the state of charge on a lead-acid battery is given by____________?
A. Output voltage
B. Temperature of electrolyte
C. Specific gravity of electrolyte
D. None of the above
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Cells are connected in series in order to_____________?
A. Increase the voltage rating
B. Increase the current rating
C. Increase the life of the cells
D. None of the above
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The capacity of a battery is expressed in terms of____________?
A. Current rating
B. Voltage rating
C. Ampere-hour rating
D. None of the above
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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
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Five 2 V cells are connected in parallel. The output voltage is__________?
A. 1 v
B. 1.5 v
C. 1.75 v
D. 2 v
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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
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During the charging and discharging of a nickel-iron cell____________?
A. Corrosive fumes are produced
B. Water is neither formed nor absorbed
C. Nickel hydroxide remains unsplit
D. Its e.m.f. remains constant
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Those substances of the cell which take active part in chemical combination and hence produce electricity during charging or discharging are known as________materials
A. Passive
B. Active
C. Redundant
D. Inert
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It is noticed that during discharging the following does not happen___________?
A. Both anode and cathode become pbs04
B. Specific gravity of h2so4 decreases
C. Voltage of the cell decreases
D. The cell absorbs energy
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Word of the Day
18 Jul
Proactive
(of a person or action) creating or controlling a situation rather than just responding to it after it has happened.
فعال، پیش قدمی کے ذریعے صورتحال پر قابو پانیوالا

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