Material science and engineering
What is Gibb's Phase rule ?
The celebrated section rule given by J. Willard chemist provides a general and helpful relationship between the quant…
fundaments of design and manufacturing
Large and heavy castings are made by ?
( a) green sand moulding (b) dry sand moulding (c) pressure moulding (d) machine moulding Ans: (c) pressur…
Computing and Informatics
The packing of data and functions into a single unit in a program is known as ?
a) polymorphism (b) abstraction (c) encapsulation (d) inheritance Ans: (c) encapsulation Encapsulation is one…
Material science and engineering
What is an isomorphous system ? Give an example.
Define Isomorphous System The term isomorphic system is said to part diagram. Isomorphicity means that having …
Material science and engineering
What is peritectic reaction ?
Peritectic Reaction Definition A reaction wherever in, upon cooling a solid and a liquid part rework isothermally…
Material science and engineering
State the Griffith criterion for crack propagation in brittle solid.
Brittle fracture is that the failure of a fabric while not apparent plastic deformation. If the broken items when …
Society and environment
What do you mean by ‘Biosphere Cycle’?
Biosphere means sphere of life . The idea of biosphere was suggested by Austrian Geologist Edward Suess nearly a…
Society and environment
What do you understand by the term 'Global Warming'?
Global Warming : Rise in the temperature of globe (earth) is called global warming. The average global temperature …
Society and environment
What factors contribute to ecological imbalance?
Factors contribute to ecological imbalance The explanations that cause ecological imbalance square measure given…
Society and environment
What do you mean by 'Scientific Management'?
Scientific Management Meaning Scientific management means the application of scientific methods of study analysis …
Society and environment
'Technology adaptation depends upon a number of factors.' Comment.
Factors needing attention of Technology Adaptation : (a) The technology selected for transfer should be appropriate a…
Computing and Informatics
What is multiplexing? Distinguish between frequency division and time division multiplexing.
Multiplexing Meaning Multiplexing is that the method of permitting multiple signals from totally different sour…
Computing and Informatics
What is Modem? Describe its role in Data Communication.
Modem Definition Modem is the short form of Modulator-Demodulator. It is a device through which computer send and r…
Computing and Informatics
What are different types of file organisations used in contemporary file systems in modern-day operating system? Explain with examples.
File organization File organization defines however records in an exceedingly file area unit associated with each…
Computing and Informatics
What is meant by memory hierarchy? Is it possible to have a computer system without any secondary storage? Explain your answer.
What is Memory Hierarchy Memory Hierarchy is the way in which different type of memory is arranged according to siz…
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