(I)3-60 Batteries-1

Question 1

When a lead acid storage battery is being charged, a harmful effect to humans is:

Answer 1

the emission of hydrogen gas

Question 2

A battery with a terminal voltage of 12.5 volts is to be trickle-charged at a .5 a rate. What resistance should be connected in series with the battery to charge it from a 110-V DC line?

Answer 2

195 ohms

Question 3

What capacity in amperes does a storage battery need to be in order to operate a 50 watt transmitter for 6 hours? Assume a continuous transmitter load of 70% of the key locked demand of 40 A, and an emergency light load of 1.5 A?

Answer 3

177-amperage hours

Question 4

What is the total voltage when 12 nickel cadmuim batteries are connected in series?

Answer 4

15 volts

Question 5

The average fully charged voltage of a lead acid storage cell is

Answer 5

2.06 volts

Question 6

A NiCad cell has an operating voltage of about

Answer 6

1.25 volts