• Basic Mechanical Engineering

    Fluids Viva Questions

    Fluids Viva Questions Fluids Viva Questions, Viva Questions on Fluids, Short Questions, and Answers on Fluids, Engineering Viva Questions, Basic Mechanical Engineering Viva Questions, Short Questions and Answers Q.1. When a fluid is said to be Newtonian? Ans. When the shear stress is directly proportional to the velocity gradient. Q.2. What are Newtonian fluids? Ans. Fluids which follow the relation: absolute viscosity Where = shear stress and = gradient of velocity with distance between fixed plate and moving plate (at velocity V). Q.3. Explain differences among fluid pressure, gauge pressure, the difference in pressure, bar pressure, and pressure head. Ans. Fluid pressure is transmitted with equal intensity in all directions…

  • Basic Mechanical Engineering

    Reciprocating Machines Viva Questions

    Reciprocating Machines Viva Questions Reciprocating Machines Viva Questions, Viva Questions on Reciprocating Machines, Short Answer Questions on Reciprocating Machines, Engineering Viva Questions, Basic Mechanical Engineering Viva Questions, Reciprocating Machines Viva Questions, Reciprocating Machines Viva Questions Multiple Choice Questions Q.1. Define Bore. Ans. The inside diameter of the cylinder is known as the bore. Q.2. What do you mean by swept volume? Ans. The volume between the TDC and BDC is known as swept volume. Q.3. What is Engine Speed? Ans. This is measured in terms of revolutions of crankshaft per minute. It is represented by rpm (revolution per minute). Q.4. Define Dead Centres. Ans. The extreme position of the piston…

  • Basic Mechanical Engineering

    Thermodynamics Viva Questions

    Thermodynamics Viva Questions Thermodynamics Viva Questions, Viva Queistions on Thermodynamics, Engineering Viva Questions, Short answer type questions on Thermodynamics, Thermodynamics Viva Questions Short answer type Questions Q.1. What do you understand by latent heat? Give four examples of latent heats. Ans. For pure substance, the heat effects accompanying change in state at constant pressure (no temperature change being evident) are known as latent heats. Examples of latent heats are: heat of fusion, vaporization, sublimation, and change in crystal form. Q.2. What is polytropic process? Under what conditions it approaches isobaric, isothermal and isometric process? In which reversible process no work is done? Ans. A polytropic process is one that follows…

  • Basic Electrical Electronics Engineering,  Basic Mechanical Engineering,  Instrumentation & Measurement

    Measurement Viva Questions Part-2

    Measurement Viva Questions Measurement Viva Questions, Viva Questions on Measurement, Instrumentation Viva Questions, Engineering Viva Questions, Short Type Viva Questions Measurement Viva Questions Part-1 Short Type Viva Question and Answers Q.1. Classify the lathe machine. Ans. On the basis of their purpose, design, the number of tools, accommodate, degree of mechanism, and other factors lathe machine tools may be classified as: Low production machine Medium production machine High production machine Q.2. What is a drilling machine? Ans. A Drilling machine is one of the simplest moderate and accurate machine tools used in the production shops and tool-room. Q.3. Who do you understand by the operation of drilling? Ans. Drilling is…

  • Basic Mechanical Engineering,  Instrumentation & Measurement

    Measurement Viva Questions Part-1

    Measurement Viva Questions Measurement Viva Questions, Viva Questions on Measurement, Instrumentation Viva Questions, Engineering Viva Questions, Short Type Viva Questions Short Type Viva Question and Answers Q.1. What are measuring tools? Ans. Instruments that are used to measure physical entities of a material such as length, width, height, temperature, etc. are known as measuring tools. Q.2. What are the different types of measurement and measuring tools? Ans. The various types of tools that are used for measurement purposes are surface plate, straight edges, vernier caliper micrometer dial gauge, slip gauge, sine bar, and combination set, etc. Q.3. For what purpose vernier caliper is used? Ans. Vernier caliper is a measuring…

  • Basic Mechanical Engineering

    Viva Questions of Materials in Basic Mechanical

    Viva Questions of Materials in Basic Mechanical Engineering Viva Questions of Materials in Basic Mechanical, Materials based Viva Questions, Basic Mechanical Engineering Viva Questions, Engineering Viva Questions, Short Type Questions and Answers Q. 1.Classify the engineering materials of construction. Ans.Engineering materials of construction can be classified as (1) Metallic materials : (a) Ferrous material (b) Non- ferrous material (2) Non-metallic materials: (a) Organic material (b) Non-organic material. Q. 2.What are the mechanical properties of material? Ans.The mechanical properties of materials define the behavior of materials under the action of external forces, called loads. They are a measure of the strength and lasting characteristics of a material. Q. 3.Define the term…