Control system that can be described using ordinary differential equations is known as: Stochastic control system Deterministic control system Lumped-parameter control system Distributed-parameter control system Correct answer: 3. Lumped-parameter control system
Control system that can be described using partial differential equations is known as: Stochastic control system Deterministic control system Lumped-parameter control system Distributed-parameter control system Correct answer: 4. Distributed-parameter control system
In the open-loop control system the output signal: Provides feedback Is subtracted for next cycle Has no control over the input Only half of variables impact plant Correct answer: 3. Has no control over the input Explanation: The open-loop control system is the one whose control action is independent of the output. Examples of such … Read more
The transfer function of a system is used to study its: Transient state Steady-state Both of these None of these Correct answer: 3. Both of these Explanation: The transfer function is defined as the ratio of output response of Laplace Transform to the input response. Laplace transform can be used to study the transient state … Read more
The Laplace Transform of Unit step function is: 1 1/s s s2 Correct answer: 2. 1/s is the correct answer Solution: Learn more: Control System MCQ Digital Electronics MCQ
Electrical Engineering MCQ Questions title: Capacitor MCQ Questions. The capacitor is an electrical device that stores charge in an electric field. Capacitors are widely employed in electronic devices as well as in Power applications. Given below are basic MCQ Questions on Capacitor The SI unit of capacitance is The SI unit of capacitance is: tesla … Read more
The higher the applied voltage: The lower is the stator flux The higher is the stator flux The stator flux has no effect Any of above Correct answer: 2. The higher is the stator flux
At no load the armature current of synchronous motor: Lags the applied voltage by 45 Leads the applied voltage by 45 Lags the applied voltage by 90 Leads the applied voltage by 90 Correct answer: 4. Leads the applied voltage by 90
An over excited synchronous motor takes: Lagging current Leading current Infinite current Zero current Correct answer: 2. Leading current Explanation: An overexcited motor runs at leading power factor. It can be used for power factor correction.
The speed of rotation of 60 Hz, 4 Pole Synchronous Motor is: 900 RPM 1800 RPM 3600 RPM 7200 RPM Correct answer: 2. 1800 RPM Explanation: Formula for speed of rotation in Synchronous motor is: Speed = (120 * f)/P Where f = frequency and P = Number of poles Speed = (120 * 60)/4 … Read more