Jeppensen Section C Flashcards
1
Q
- A battery is a device which changes _______ energy to ______ energy
A
Chemical,
Electrical
2
Q
- A primary cell _____ (can or cannot be recharged.
A
Cannot
3
Q
- The most commonly used storage battery in light aircraft is the ______ battery.
A
Lead-Acid
4
Q
- The active material on the positive plate of a fully charged lead-acid battery is _______
A
Lead Peroxide
5
Q
- The active material on the negative plate of a fully charged lead-acid battery is _______
A
Spongy Lead
6
Q
- The electrolyte of a lead-acid battery is made up of ________ and water.
A
Sulfuric Acid
7
Q
- When a lead-acid battery is discharged, the active material on both positive and negative plates is converted to ________
A
Lead Sulfate
8
Q
- The specific gravity of a fully charged lead-acid battery is approximately _______
A
1.275
9
Q
- The open circuit voltage of a lead-acid battery is approximately ______ volts.
A
2.1
10
Q
- The capacity of a battery is its ability to produce a given amount of ______ (voltage or current) for a specified time.
A
Current
11
Q
- The ampere-hour capacity of a lead-acid battery is determined by:
a.
b.
c.
d.
A
Amount of active material
Area of the plates
Amount of electrolyte
Temperature
12
Q
- The five-minute discharge rate of a lead-acid battery gives ______ (more or less) ampere-hours than the five-hour rate?
A
Less
13
Q
- Spilled electrolyte from a lead-acid battery may be neutralized using a solution of _______ and water.
A
Baking Soda
14
Q
- When removing a battery from an aircraft, you should remove the _______ (positive or negative) lead first.
A
Negative
15
Q
- When installing a battery in an aircraft, you should connect the ______ (positive or negative) lead first.
A
Positive
16
Q
- The constant _______ (current or voltage) charging method is the most effective method for charging aircraft batteries.
A
Current
17
Q
- The generating system in an aircraft utilizes the constant ______ (current or voltage) method to charge a battery
A
Voltage
18
Q
- A nickel-cadmium battery can maintain a nearly constant ______ (voltage or current) until it is almost totally discharged.
A
Voltage
19
Q
- High charging currents in nickel-cadmium batteries may cause a breakdown of the cellophane-like cel separator material, resulting in a condition known as _______ or ______
A
Vicious Cycling
Thermal
20
Q
- Nickel-cadmium battery installations are required to have ________ monitoring equipment.
A
Temperature
21
Q
- Both the positive and negative plates of a nickel-cadmium cell are made of powered nickel plaque. fused to a nickel screen..
a. The positive plates are impregnated with ______ hydroxide.
b. The negative plates are impregnated with ______ hydroxide.
A
Nickel
Cadmium
22
Q
- The electrolyte for a nickel-cadmium battery is _______ _______ and water.
A
Potassium Hydroxide
23
Q
- The specific gravity of the electrolyte in a nickel-cadmium battery ______ the state of charge of the battery changes (does or does not) change as
A
Does Not
24
Q
- The electrolyte level of a nickel-cadmium battery is _______ (highest or lowest) immediately after the battery charge is completed.
A
Highest
25
Q
- The white powder that forms on the top of a nickel-cadmium battery that has been in service is _______ ________ ______ ________.
A
Potassium Carbonate
26
Q
- During the service of a nickel-cadmium battery, the electrical leakage between the cells and the case should be checked using a ______.
A
Miliammeter
27
Q
- If water is added to any cell of a nickel-cadmium battery, the amount and location of the cell should be recorded in the _______ ______ ______
A
Battery Service Record
28
Q
28, If the capacity of a nickel-cadmium battery is less than it should be, or if there is an indication that some of ______ ______.
A
Deep Cycled