a) Backlash b) Dead space c) Coulomb friction d) saturation Ans: (a)
a) a.c. control system b) analog control system c) Sampled date control system d) None of these Ans: (c)
a) Indicating difference of rotation angle of two synchro generators only b) Indicating sum of rotation angle of two synchro generators only c) Both (a) and (b) d) None of these Ans: (a)
a) Potentiometer b) Magnetic amplifier c) Resolver d) Rotary differential transformer Ans: (c)
a) Non-linear systems are time-varying b) Time domain analysis is easier than frequency domain analysis c) Initial conditions are not zero in non-linear systems d) Superposition law is not applicable to non-linear system Ans: (d)
a) 0 b) 2 c) 1 d) 3 Ans: (b)
a) Electromechanical device b) Electrical device c) Electromagnetic device d) Electrostatic device Ans: (a)
a) 1 b) T c) Zero d) Infinite Ans: (c)
a) No oscillation b) Accuracy c) Quick response d) Correct power level Ans: (a)
a) By negative feed back b) By positive feed back c) With higher inductance of a.c. coil d) None of these Ans: (d)