Module 3 Set-3

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#1. Which of the following is most likely to cause thermal runaway in a nickel-cadmium battery

#2. Ohm’s law states that:

#3. . How can the direction of rotation of a DC electric motor be changed

#4. The term that describes the combined resistive forces in an AC circuit is

#5. An example of a good electrical insulator is




#6. Static charges remaining in an aircraft are dissipated by

#7. If the correct supply were connected to a DC shunt motor which had lost its residual magnetism it would

#8. If a heavy mechanical load is removed from a series motor

#9. The quill drive on an aircraft generator ___________________

#10. The method of ascertaining the voltage of a standard aircraft lead-acid battery is by checking __________




#11. The only practical method of maintaining a constant voltage output from an aircraft generator under varying conditions of speed and load is to vary the

#12. Through which material will magnetic lines of force pass the most readily?

#13. A DC circuit containing a total resistance of 100 ohms has a current flow of 250 mA. The power dissipated in the circuit is

#14. If the resistance of a resistor which is in series with two other resistors is doubled

#15. An accumulation of hydrogen on the plates of a battery is known as




#16. One purpose of a growler test is to determine the presence of:

#17. Total resistance in parallel for R1 and R2 is

#18. Power is the rate of doing work. It is measured in

#19. Electric motors are often classified according to the method of connecting the field coils and armature. Aircraft engine starter motors are generally of which type

#20. A loss of electrical insulation results in ____________




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