olhon.info Education Basic Mechanical Engineering Interview Questions And Answers Pdf

# BASIC MECHANICAL ENGINEERING INTERVIEW QUESTIONS AND ANSWERS PDF

Friday, October 4, 2019

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+ Mechanical Engineering Interview Questions and Answers, Question1: What is Both the hydraulic and engine oils are made from base oils with additives. Download Mechanical Engineering Interview Questions PDF from here and prepare accordingly Check More: Interview Questions and Answers It also has basic information concerning the material balance for the process. Basic Mechanical Interview Questions With Answers in pdf format – A Mechanical Engineer who sits for an interview is expected to be well.

## 600 TOP MECHANICAL ENGINEERING Interview Questions and Answers PDF

Motor oil has tackifiers, lower sulfur content, and other ingredients that could prove harmful to the seals and other components in a hydraulic system. If it is an emergency only should you do it.

Answer : Angular momentum is an expression of an objects mass and rotational speed. Momentum is the velocity of an object times it is mass, or how fast something is moving how much it weigh.

Therefore, angular momentum is the objects mass times the angular velocity where angular velocity is how fast something is rotating expressed in terms like revolutions per minute or radians per second or degrees per second. Answer : The total process of a the refining business starts at the oil field or gas field and runs all the way to the sending of processed hydrocarbon to a final user.

Upstream applies to the operation of exploration, drilling, hydrocarbon production, and transmission via truck, rail or ship or pipeline to the refinery intake valve. Downstream includes all work done at the refinery, distillation, cracking, reforming, blending storage, mixing and shipping. The case of heavy oil processing oil sands etc. Most are regarded as upstream operations even though downstream type operations are part of the processes.

The production of chemical side products at gas plants e.

Additional hydrocarbon production operations such as saddle plants, which remove a component from pipeline gas, are generally lumped with upstream.

Answer : Rolling offsets are used in the piping and sheet metal ductwork trades, a rolling offset changes the elevation and locaton of the piping or duct usually by using two fittings to offset around obstacles. Rolling offsets are used mostly when you are limited to the size of the fittings in order to change your elevation and location.

Answer : Thickest paper has the greatest mass and therefore potential energy. Potential energy equals kinetic energy speed. Speed equals lift.

Lift equals a greater flight distance. Thicker planes fly farther. Answer : Two pans of equal balances are placed at the end of the beam, one at each end.

A long pointer attached at right angles to the beam at the point of support. Zero on a scale indicates the beam is at rest. Answer : Galvanic corrosion is an electrochemical process in which one metal corrodes preferentially when in electrical contact with a different type of metal and both metals are immersed in an electrolyte.

When two or more different sorts of metal come into contact in the presence of an electrolyte, a galvanic couple is set up as different metals have different electrode potentials. The electrolyte provides a means for ion migration whereby metallic ions can move from the anode to the cathode. This helps HR managers in identifying your aims and ambitions. What are your career goals?

How do you plan to achieve these goals? What kind of goals would you have in mind if you got this job?

Behavioral Interview Questions: Behavioral interview questions are questions about real life experiences and situations and how you performed in those situations. Give me an example of a time that you felt you went above and beyond the call of duty at work.

Tell me a time when you need to persuade people. How did you handle your most difficult professional experience? How do you handle pressure?

Give me an example of a time you did something wrong. How did you handle it? What assignment was too difficult for you, and how did you resolve the issue? What's the most difficult decision you've made in the last two years and how did you come to that decision? What is your greatest failure, and what did you learn from it?

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What irritates you about other people, and how do you deal with it? If you found out your company was doing something against the law, like fraud, what would you do? Technical Questions: This is a bit difficult part of mechanical engineering interview questions. You are asked technical questions from any of the courses which you studied during four years of your bachelors degree in mechanical engineering.

Dont worry; no one asks very difficult questions. These are very common and concept based questions. Define first law of thermodynamics? Define zeroth law of thermodynamics What is difference between pressure and stress?

Does hollow shaft perform better than solid shaft of same dimensions? Why is the ice maker placed at the top of the refrigerator? How many types of suspensions used in automobiles? What are common types of boilers in industry? What is entropy? How many types of gear boxes are there? Why condenser is needed in steam power plant?

## Interview Questions

How does the cooling by air conditioning affect the relative humidity? What is heat treatment?

What is viscosity? What continuity equation tells us? What is difference between power cycles and heat pump cycles? What is efficiency of Carnot cycle?

What is efficiency of Rankine cycle? How can you increase efficiency of a Ranking cycle? What is an isobaric process?

What is an isothermal process? How is a factor of safety used in design? What are different types of gears? Which one is more efficient a four stroke engine or a two stroke? What is the applicability of mechanical engineering in the industry?

What is bending moment? What is operating pressure?

What is Carnot engine? Which has more efficiency: Diesel engine or Petrol engines? Which is hard material Cast Iron or Mild Steel?

Explain Otto cycle. What is annealing? Is the boiler a closed system? Define torque. What is a Newtonian fluid?How many types of gear boxes are there?

April 1, at 8: Isothermal process. What is the difference between austenite stabilisers and ferrite stabilisers? Ultimate analysis of coal is elementary analysis. As temperature approaches absolute zero, the entropy of a system approaches a minimum.