This set of Electric Drives Question Bank focuses on “Electrical Drive Systems and Components – Sequence Operations and Protection”. 1. Relay is an electromechanical switch. a) True b) False 2. Mho relay is used in the medium transmission line. a) True b) False 3. Full form of LED is _____________ a) Light Emitting Diode b) … Read more
This set of Electric Drives Multiple Choice Questions & Answers (MCQs) focuses on “Electrical Drive Systems”. 1. Calculate the minimum anode current required to turn off SCR if the latching current value is 2 A. a) 2 A b) 3 A c) 4 A d) 5 A 2. Calculate the value of the coefficient of … Read more
This set of Electric Drives online quiz focuses on “Traction Drives – Power Factor and Harmonics”. 1. Full form of SVC is ___________ a) Static Var Compensator b) Static Variable Counter c) State Value Counter d) Static Value Compensator 2. Full form of STATCOM is ___________ a) Static Synchronous Counter b) Static Synchronous Compensator c) … Read more
This set of Electric Drives Multiple Choice Questions & Answers (MCQs) focuses on “Nature of Traction Load”. 1. There are four types of friction. a) True b) False 2. Calculate the value of the coefficient of friction using the data: F=24 N, Normal force=12 N. a) 2 b) 4 c) 8 d) 9 3. If … Read more
This set of Electric Drives test focuses on “Electric Traction Services”. 1. Electric trains are of two types. a) True b) False 2. The shape of pantograph collector is _________________ a) Square b) Pentagon c) Circle d) Hexagon 3. There are typically three types of pantograph. a) True b) False 4. Full form of EMU … Read more
This set of Electric Drives Multiple Choice Questions & Answers (MCQs) focuses on “Solar Powered Vehicles”. 1. When was the first electric car invented? a) 1830 b) 1985 c) 1832 d) 1945 2. The moving coil instrument measures the ___________ of the signal. a) Average value b) R.M.S value c) Zero value d) Half value … Read more
This set of Electric Drives Multiple Choice Questions & Answers (MCQs) focuses on “Solar Powered Pump Drives”. 1. The output power of the centrifugal pump is proportional to the _________ of the speed. a) Square b) Cube c) Square-root d) Cube-root 2. There are four types of Water pumps. a) True b) False 3. The … Read more
This set of Electric Drives Multiple Choice Questions & Answers (MCQs) focuses on “Solar Panels”. 1. A solar cell converts light energy into __________ a) Electrical energy b) Thermal energy c) Sound energy d) Heat energy 2. There are three types of the solar cells. a) True b) False 3. Series and parallel combination of … Read more
This set of Electric Drives Multiple Choice Questions & Answers (MCQs) focuses on “Solid-State Switching Circuits – Current Source Inverter”. 1. The use of inductor in CSI is to make source current constant. a) True b) False 2. The output voltage of CSI depends upon the load. a) True b) False 3. Which one of … Read more
This set of Electric Drives Questions and Answers for Entrance exams focuses on “Solid-State Switching Circuits – Three-Phase Energy Recovery Systems”. 1. Rectifiers are used to convert DC power into variable AC power. a) True b) False 2. Short circuit problem is severe in case of current source inverter. a) True b) False 3. Full … Read more
