M3 Electrical Fundamentals Sub-Module No 6 (Quiz No:1)

DC source of electricity

Quiz

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1. These batteries are commonly used to power items such as flashlights ?
   1.   Primary cells
   2.   Secondary cell
   3.   Lead-acid battery
2. These are chemical solutions manufactured to allow the generation and free movement of ions ?
   1.   Electrolytes
   2.   Reductant
   3.   Oxidant
3. The voltage of one lead acid cell just removed from a charger is approximately ?
   1.   2 volts
   2.   2.2 Volts
   3.   2.5 Volts
4. An instrument that measures the specific gravity (weight as compared with water) of liquids ?
   1.   Ammeter
   2.   Barometer
   3.   Hydrometer
5. The total current is the sum of the currents through each component in ?
   1.   In an open circuit
   2.   In a series circuit
   3.   In a parallel circuit
6. Thermocouples are used for measurement of cylinder head temperature (cht) in ?
   1.   Reciprocating engines
   2.   Turbine engines
   3.   Rotor engines
7. Two 2 volt 10ah cells are connected in series, the output voltage and the capacity would be ?
   "
   1.   "2 volt, 20 ah
   2.   4 volt 20 ah
   3.   4 volt 10 ah
8. The internal resistance of a battery off load compared to on load is ?
   1.   The same
   2.   Increased
   3.   Decreased
9. The electrolyte in a NiCad battery is ?
   1.   Cadmium hydroxide
   2.   Potassium hydroxide
   3.   Nickel hydroxide
10. In a new, fully charged aircraft storage battery, the electrolyte is approximately ?
    1.   30 percent acid and 70 percent water
    2.   70 percent acid and 30 percent water
    3.   25 percent acid and 75 percent water