What will be the change in room temperature if the door of the refrigerator kept open? This question is often asked at a mechanical engineering job interview and also in the engineering examination. Ans: NO, Rather, the temperature of the room will increase over time, not instantly. Why? To understand this, let us first … Read more
Thermodynamics Tutorial: Second law of Thermodynamics 1 What is the minimum amount of work input necessary to a refrigerator which will convert 1 kg of water at 20 oC into ice at -5oC? (Ans: 40 kJ) 2 A heat engine receives heat from a solar collector plate. Solar radiation of the amount 1880 kJ/m2 falls … Read more
This article deals with some important views of thermal engineering from a Mechanical engineering point of view. As there are many specializations in Mechanical Engineering like Machine Design Thermal Engineering Manufacturing These above three specialization makes Mechanical Engineering, an evergreen branch of engineering. Machine Design: It develops a product from an idea. It deals with the improvement, creation, … Read more
