Electric Drives Practice Test 10

1. If the friction force value is doubled, calculate the new value of the coefficient of friction.

2. Which of the relationship is correct in Ferromagnetic motor?

3. Calculate the value measured by PMMC when a sinusoidal voltage signal is applied to it.

4. The power conductor in electric trains is called a contact wire.

5. The circuit which operates signals is called as ___________

6. Load interrupter operated at ________

7. Calculate the frequency of the waveform v(t) = sin(πt+π÷4) + sin(πt+π÷74) + sin(πt+π÷56).

8. Calculate the active power in a 315 F capacitor.

9. Calculate the value measured by Moving Iron when a sinusoidal voltage signal V(t) = √2sin(3ωt) is applied to it.

10. The frictional force always acts in the perpendicular direction of motion of the body.