Module 3 Set-3

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

#2. 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

#3. An example of a good electrical insulator is

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

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




#6. A loss of electrical insulation results in ____________

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

#8. Ohm’s law states that:

#9. 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

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




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

#12. The quill drive on an aircraft generator ___________________

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

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

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




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

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

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

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

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




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