• Digital Circuit Systems

    Programmable Logic Devices Viva Questions

    Programmable Logic Devices Viva Questions Programmable Logic Devices Viva Questions, Viva Questions on Programmable Logic Devices, Digital Electronics Viva Questions, Short Questions answers on Programmable Logic Devices, PLD Viva Questions, ROM Viva Questions, PROM Viva Questions, Read-Only Memory Viva Questions, Programmable Logic Devices Viva Questions, Programmable Logic Devices Viva Questions Logic Gates Viva Questions Short Questions and Answers Q.1. What is a PLD? Ans. A PLD (programmable logic device) is an IC that contains a large number of gates. Flip flops and registers that are interconnected on the chip. Many of the connections, however, are fusible links that can be broken. Q.2. What is the principal advantage of a PLD?…

  • Basic Electrical Engineering

    Three Phase AC Circuits Viva Questions

    Three Phase AC Circuits Viva Questions Three Phase AC Circuits Viva Questions, Viva Questions on Three Phase AC Circuits, Basic Electrical Engineering Viva Questions, Short Answer Questions on Three Phase AC Circuits, Three Phase AC Circuits Viva Questions, Engineering Viva Questions Single Phase AC Circuits Viva Questions Short Answer Questions Q.1. What do you mean by a three-phase balanced load? Ans. Any three-phase load will be balanced when the loads (impedances) connected in three phases are the same in magnitude as well as in phase. Q.2. What is a three-phase unbalanced load? Ans. Any three-phase load will be unbalanced if impedances in one or more phases differ from the impedance(s)…

  • Engineering Chemistry

    Electrochemistry Viva Questions

    Electrochemistry Viva Questions Electrochemistry Viva Questions, Viva Questions on Electrochemistry, Short answer questions on Electrochemistry, Engineering Chemistry Viva Questions, Engineering Viva Questions, Electrochemistry Viva Questions Polymer Viva Questions Short Answer Questions Q.1. How can you test whether the given electrolyte is a strong electrolyte or a weak electrolyte? Ans. If the aqueous solution of the electrolyte conducts electricity to a large extent, it is a strong electrolyte and if to a small extent, it is a weak electrolyte Q.2. Define specific conductivity and mention its units. Ans. The specific conductance of a solution is defined as the conductance of 1 cm3 of the solution of the electrolyte. Its unit is…

  • Engineering Chemistry

    Fuels and Combustion Viva Questions

    Fuels and Combustion Viva Questions Fuels and Combustion Viva Questions, Viva Questions on Fuels and Combustion, Short Answer Questions on Fuels and Combustion, Engineering Chemistry Viva Questions, Engineering Viva Questions Polymer Viva Questions Short Answer Questions Q.1. Define fuel and give some examples. Ans. Fuel is a combustible substance containing carbon as the major constituent which on proper burning gives a large amount of heat that can be used economically for domestic and industrial purposes. Examples are coal, petrol, diesel, etc. Q.2. Write the classification of fuels according to the occurrence. Ans. According to the occurrence, the fuels are classified into natural (primary) and secondary (derived) fuels. Q.3. What are…

  • Digital Circuit Systems

    Combinational Circuit Viva Questions

    Combinational Circuit Viva Questions Combinational Circuit Viva Questions, Viva Questions on Combinational Circuit, Multiplexer Viva Questions, Encoder Viva Questions, Digital Electronics Viva Questions, Combinational Logic Circuit Viva Questions, Arithmetic Viva Questions, Hazard Viva Questions, Full Adder Viva Questions, Short Questions on Combinational Circuit, Combinational Circuit Viva Questions Logic Gates Viva Questions Short Questions and Answers Q.1. What are arithmetic circuits? Ans. Arithmetic circuits are the circuits that perform arithmetic operations. Q.2. What is a half-adder? Ans. A half-adder is an arithmetic circuit that adds two binary digits. It has two inputs and two outputs (sum and carry). Q.3. What is a full-adder? Ans. A full-adder is an arithmetic circuit that…

  • Engineering Chemistry

    Polymer Viva Questions

    Polymer Viva Questions Polymer Viva Questions, Short Answer Questions on Polymer, Viva Questions on Polymer, Engineering Chemistry Viva Questions, polymers questions and answers, polymers exam questions, polymers important questions, polymer question bank, multiple-choice questions on polymers with answers, polymer MCQ for gate, polymer interview questions, polymer chemistry quiz questions, Polymer Viva Questions Water Treatment Viva Questions Fuels and Combustion Viva Questions Short Answer Questions Q.1. What is a monomer? Ans. The repeating unit present in the formation of a polymer is known as a monomer. Q.2. What is a polymer? Ans. Polymers are macromolecules of high molecular masses built up by linking together a large number of small, repeated units by a covalent bond. Q.3. What is meant by polymerisation? Ans.…

  • Engineering Chemistry

    Water Treatment Viva Questions

    Water Treatment Viva Questions Water Treatment Viva Questions, Viva Questions on Water Treatment, Water Technology Viva QuestionsEngineering Chemistry Viva Questions, Engineering Viva Questions, Short Answer Questions on Water Treatment Polymer Viva Questions Corrosion Science Viva Questions Short Answer Questions Q.1. Name the main sources of water. Ans. Sea water, rain water, ground water, and surface water. Q.2. What is the cause for the alkalinity of natural water? Ans. Due to the presence of dissolved bicarbonates of Ca and Mg in water. Q.3. Define the hardness of the water. Ans. Hardness is the characteristic property, which produces white scum on treating with the soap solution. Q.4. Why does not hard water…

  • Digital Circuit Systems

    K-map Viva Questions

    K-map Viva Questions K-map Viva Questions, Viva Questions on K-map, Viva Questions on Quine-McClusky, Quine-McClusky Viva Questions, Digital Electronics Viva Questions, Engineering Viva Questions, Minimization of Switching Functions, K-map Viva Questions, Short Questions on K-map, Karnaugh map (K-Map) Viva Questions, Karnaugh map Viva Questions Binary Codes Viva Questions Programmable Logic Devices Viva Questions Flip-Flop Viva Questions Short Questions and Answers Q.1. What is a K-map? What are its advantages and disadvantages? Ans. The K-map is a chart or a graph composed of an arrangement of adjacent cells, each representing a particular combination of variables in a sum or product term. Or simply we can say a K-map is a mapping…

  • Signals and Systems

    Time Domain Analysis Viva Questions

    Time Domain Analysis Viva Questions Time Domain Analysis Viva Questions, Viva Questions on Time Domain Analysis, Short Questions on Time Domain Analysis, Time Domain Analysis of Continuous-Time Systems Viva Questions, Time Domain Analysis of Discrete-Time Systems Viva Questions, Signal & Systems Short Questions, Engineering Viva Questions Viva Questions on Systems Viva Questions on Signals¬† Short Questions and Answers Q.1. How you can represent an arbitrary input signal x(t) as a linear combination of scaled and shifted unit impulse functions? Ans. An arbitrary input signal x(t) can be represented as a linear combination of scaled and shifted unit impulse functions given by Q.2. What is convolution integral? Ans. The output y(t)…

  • Electronics Devices & Circuits

    Field Effect Transistor (FET) Viva Questions

    Field Effect Transistor (FET) Viva Questions Field Effect Transistor (FET) Viva Questions, Viva Questions on Field Effect Transistor (FET), junction field-effect transistor (JFET) Viva Questions, MOSFET Viva Questions, Engineering Viva Questions, Electronics Devices Viva Questions Multistage Amplifiers Viva Questions Short Questions with Answers Q.1. What is a junction field-effect transistor (JFET)? Explain. Ans. The junction field-effect transistor (JFET) may be divided, depending on its structure, into the following two categories: N-channel JFET P-channel JFET. Q.2. What is the depletion region in JFET? Explain. Ans. Whenever a PN-junction is reverse-biased, the electrons and holes diffuse across the junction and leave behind the positive ions on the N-side and negative ions on…