Skip to content
AnsweringExams.Com
  • Home
  • Contact Us / Report Error
  • Disclaimer

Month: December 2018

In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following__________?

August 11, 2021December 14, 2018 by admin
In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following__________?

A. one part H2O, three parts H2SO4
B. two parts H2O, two parts H2SO4
C. three parts H2O, one part H2SO4
D. all H2S04

Categories Electrolysis and Storage of Batteries

It is noticed that during discharging the following does not happen___________?

August 11, 2021December 14, 2018 by admin
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

Categories Electrolysis and Storage of Batteries

Those substances of the cell which take active part in chemical combination and hence produce electricity during charging or discharging are known as________materials

August 11, 2021December 14, 2018 by admin
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

Categories Electrolysis and Storage of Batteries

During the charging and discharging of a nickel-iron cell____________?

August 11, 2021December 14, 2018 by admin
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

Categories Electrolysis and Storage of Batteries

A dead storage battery can be revived by___________?

August 11, 2021December 14, 2018 by admin
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

Categories Electrolysis and Storage of Batteries

Five 2 V cells are connected in parallel. The output voltage is__________?

August 11, 2021December 14, 2018 by admin
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

Categories Electrolysis and Storage of Batteries

As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of___________?

August 11, 2021December 14, 2018 by admin
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

Categories Electrolysis and Storage of Batteries

The capacity of a battery is expressed in terms of____________?

August 11, 2021December 14, 2018 by admin
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

Categories Electrolysis and Storage of Batteries

Which of the following is not a nuclear site of Iran?

November 28, 2021December 13, 2018 by admin
Which of the following is not a nuclear site of Iran?A. Qom
B. Natanz
C. Bushehr
D. Abadan

 

Categories World Current Affairs MCQs

ایچ آئی وی وائرس کس بیماری کا سبب بنتا ہے؟

November 28, 2021December 13, 2018 by admin
ایچ آئی وی وائرس کس بیماری کا سبب بنتا ہے؟ہیپییٹائٹس اے.❶
ہیپاٹائٹس بی.❷
ٹی بی.❸
ایڈز.❹

 

Categories URDU GENERAL KNOWLEDGE
Older posts
Newer posts
← Previous Page1 … Page224 Page225 Page226 … Page283 Next →
© 2025 AnsweringExams.Com • Built with GeneratePress