Electrical Knowledge by Sachin Sir

Q) Which portion of the our system is least prone to faults? A. Alternator B. Transformer C. Overhead lines D. Underground cable

The storage battery generally used in electric power station is A. Nickel-cadmium battery B. Zinc carbon battery C. Lead-acid battery D. None of the above

Q) A closed path made by several branches of the network is known as A. Branch B. Loop C. Circuit D. Junction

Q) Three-phase alternators are invariably star-connected because A.Higher terminal voltage is obtained B.Less turns of wire are required C.Small conductors can be used D.Magnetic losses are the minimum

Q) The basic function of a transformer is to change A) The level of the voltage B) The power levels C) The power factor D) The frequency

Q) CMOS stands for ? A) Complimentary Metal Oxide Semiconductor B) Compile Metal Oxide Semiconductor C) Complicated Metal Oxide Semiconductor D) Common Metal Oxide Semiconductor

Q) What is the standard form of TTL? A Transistor-Transistor Logic B. Transistor Transducer Logic  C Transducer Transistor Logic  D.None of the above

Q) The base is ten for _______ number system A.Binary B.Hexadecimal C.Decimal D.Octal

Q) The base is eight for _______ number system A.Binary B.Hexadecimal C.Decimal D. Octal

The base is 16 for _______ number system A) Binary B) Hexadecimal C) Decimal D) Octal