RADIATION BASICS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ on radiation basics help to understand it deeply. It increases level of clarity. It help in the design of radiating surfaces with higher efficiency and less cost. Fig. Black Body- Spherical body ( A radiation from a point ‘O’ to ABCDE is entrapped due to…
RADIATION EXCHANGE MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ increase knowledge and clarity about a topic. Shape factors depend upon the geometry and orientation of the surfaces. Number of shape factors for n bodies is n2. Find shape factors from shape factor algebra and graphs. These help to find the radiation exchange between two bodies….
QUESTION BANK-RADIATION CLASS NOTES FOR MECHANICAL ENGINEERING Number of questions on radiation are given. Finding and learning their answers will increase both knowledge and understanding. It is likely to be useful for the examination. Further, it will also help in the application of the fundamentals in the design. 2 MARKS QUESTIONS Explain the followings:…
INTERVIEW SHORT QUESTION ANSWERS- RADIATION CLASS NOTES Short question answers are extremely helpful in better understanding of radiation. These also improve the depth of knowledge and clarity. Thus, one can apply the fundamentals in design of radiation equipment. Fig. Absorption, Reflection & Transmission of Radiations incident on a Grey Body Q. Define Absorptivity, Reflectivity,…
RADIATION BASICS CLASS NOTES FOR MECHANICAL ENGINEERING Radiation is very common. It comes from each and every body. Each type of radiation is harmful to all types of living beings. Some of these radiations have provided many types of ease in life. Laws of radiation make the study of radiation simple and easy. Radiations of…
RADIATION EXCHANGE BETWEEN GREY AND BLACK SURFACES Radiation Shape factor algebra makes the study of radiation exchange between surfaces simple & easy. Number of shape factors is equal to the square of the number of radiating surfaces. Radiation exchange is considered between black surfaces. It has also been considered between real surfaces. If…
IONIZING AND NON-IONIZING RADIATIONS CLASS NOTES Ionizing and non-ionizing radiations are harmful to the living beings. Radiation shields protect people and the environment from the harmful effects of ionizing radiations. Disadvantages of ionizing radiations are (i) These cause a microscopic damage to living tissue. These result in skin burns on excessive exposures. (ii) These cause…