21. How pipe flanges are electrically insulated? Pipe flanges are protected from corrosion by means of electrolysis, with dielectric flanges. The piping system is electrically insulated by what is called …
11. What is annealing? It is a process of heating a material above the re-crystallization temperature and cooling after a specific time interval. This increases the hardness and strength if …
1. Explain the second law of thermodynamics. The entropy of the universe increases over time and moves towards a maximum value.
41. Describe the difference between homogeneous and heterogeneous distributed database? A homogenous database is one that uses the same DBMS at each node. A heterogeneous database is one that may …
31. What is Index? An index is a physical structure containing pointers to the data.
21. What is 5NF? A table is in fifth normal form (5NF) or Project-Join Normal Form (PJNF) if it is in 4NF and it cannot have a lossless decomposition into …
11. What is DML (Data Manipulation Language)? This language that enable user to access or manipulate data as organised by appropriate data model. Procedural DML or Low level: DML requires …
1. What is database? A database is a collection of information that is organized. So that it can easily be accessed, managed, and updated.
31. What’s the major distinction in between Storage structure and file structure and how? The expression of an specific data structure inside memory of a computer system is termed storage …
21. Mention some of the problem solving strategies? The most widely strategies are listed below i)Divide and conquer ii)Binary doubling strategy iii)Dynamic programming
