WitrynaMSBTE Diploma Multiple Choice Questions for Final Year Electrical Students Based … Witryna4 kwi 2024 · Latest Synchronous Motors MCQ Objective Questions Synchronous Motors Question 1: Which of the following statement/s is/are INCORRECT for a synchronous motor? (1). It has starting torque. (2). Its speed varies from no-load to full-load. (3). It can operate at lagging, leading and zero power factors. (1) , (2), & (3) …
Power Factor MCQ [Free PDF] - Objective Question …
The best location of the power factor improving the device to be installed in the transmission line is at the receiving end and near the electrical appliance which is responsible for the poor power factor The shunt capacitor is used to improve the power factor which is connected near to load. Witryna24 maj 2013 · Mathematically power factor is the product of voltage drop across the element and current flowing through it.. Considering first the DC circuits, having only DC voltage sources, the inductors and capacitors behave as short circuits and open circuits respectively in steady-state.. Hence the entire circuit behaves as a resistive circuit … fixmatch imagenet
What is Power Factor, Its Causes and How to Improve it?
Witryna(A) protection against accidental power failure (B) controlling illumination level of the lamp (C) for regulating discharge voltage (D) for improving the power factor of the circuit. Answer 38. A mercury vapor lamp gives (A) pink light (B) yellow light (C) greenish blue light (D) white light. Answer 39. WitrynaDifferent Methods Used for for Power Factor Correction. The following devices and equipment are used for power factor improvement in an electrical system.. Capacitor Banks: A bank of capacitors can be installed to reduce the reactive power demand of the load, improving the power factor. The capacitors can be fixed or switched, … Witryna29 maj 2015 · Power factor tariff - MCQs with answers. Q1. What is the power factor tariff? a. It considers only maximum demand. b. It considers only semi fixed charges and the power factor. c. It considers only power factor. fix masters