u930973931_answers 50 min Score: 0 Attempted: 0/50 Subscribe 1. What is the primary function of a transformer? (A) Voltage regulation (B) Current regulation (C) Power conversion (D) Signal amplification 2. Which material is commonly used for the core of a transformer? (A) Copper (B) Aluminum (C) Steel (D) Brass 3. Transformers operate on the principle of: … Read more
50 min Score: 0 Attempted: 0/50 Subscribe 1. Which of the following machines operates on the principle of electromagnetic induction? (A) DC Generator (B) Synchronous Motor (C) Induction Motor (D) Transformer 2. The armature current in a DC motor is maximum when: (A) The motor is running at no load (B) The motor is running … Read more
50 min Score: 0 Attempted: 0/50 Subscribe 1. Which material is commonly used for the core of a transformer? (A) Copper (B) Aluminum (C) Brass (D) Steel 2. The efficiency of a transformer is highest when operated at: (A) Overload (B) Half load (C) No load (D) Full load 3. In a transformer, the leakage … Read more
50 min Score: 0 Attempted: 0/50 Subscribe 1. What is the function of commutator in a DC machine? (A) To regulate speed (B) To convert AC to DC (C) To control voltage (D) To reverse the direction of current 2. In a synchronous machine, hunting can be minimized by: (A) Decreasing the excitation (B) Increasing … Read more
50 min Score: 0 Attempted: 0/50 Subscribe 1. What is the primary goal of Demand Side Management (DSM)? (A) Reduce supply-side costs (B) Increase energy demand (C) Improve grid reliability (D) Decrease consumer bills 2. Which of the following is NOT a DSM strategy? (A) Subsidizing renewable energy (B) Load shifting (C) Peak shaving (D) … Read more
50 min Score: 0 Attempted: 0/50 Subscribe 1. Which of the following best describes energy efficiency? (A) Minimizing energy wastage (B) Maximizing energy usage (C) Using renewable energy sources (D) Increasing energy consumption 2. What is a primary goal of an energy audit? (A) Increasing energy consumption (B) Promoting renewable energy (C) Identifying energy wastage … Read more
50 min Score: 0 Attempted: 0/50 Subscribe 1. Which of the following is not a primary objective of an Energy Management System (EMS)? (A) Energy conservation (B) Raw material procurement (C) Operational efficiency (D) Cost reduction 2. What does EMS stand for in the context of energy management? (A) Electrical Management System (B) Energy Management … Read more
50 min Score: 0 Attempted: 0/50 Subscribe 1. Which of the following is not a renewable energy source? (A) Wind (B) Hydro (C) Solar (D) Coal 2. The term “Demand-side management” in energy refers to: (A) Managing consumer energy consumption (B) Regulating electricity prices (C) Managing supply chain logistics (D) Ensuring grid stability 3. Which … Read more
Q#1: Which law describes the relationship between a static electric charge and the electric field it creates?(A) Ampère’s Law(B) Gauss’s Law(C) Faraday’s Law(D) Ohm’s LawAnswer: (B) Gauss’s Law Q#2: The SI unit of electric field intensity is:(A) Volt(B) Ampere(C) Ohm(D) Volt per meterAnswer: (D) Volt per meter Q#3: Electric field lines around a point charge:(A) … Read more
20 min Score: 0 Attempted: 0/20 Subscribe 1. Which of the following is defined as the ability of a device or system to function properly in its electromagnetic environment? (A) Electromagnetic Interference (EMI) (B) Radio Frequency Interference (RFI) (C) Electromagnetic Compatibility (EMC) (D) Shielding Effectiveness 2. What is the primary purpose of electromagnetic shielding in … Read more