DMRC JE Electrical 9th- April- 2018 Paper With Solution and Explanation

DMRC Junior Engineer  Previous Year Electrical Question Paper with explanation and Solution -2018   Ques 1. Solid state power supplies are protected from medium surge voltage using: Zinc-oxide-Based Varistor✓ Cermet Resistor Metal Glaze resistor Silicon carbide resistor   Ques 2. Lightning arrester connected in a power system protect electrical equipment from Over-voltage due to indirect lightning stroke✓ Direct … Read more