Casting Technology • Engineering Study Notes PATTERN ALLOWANCES – NOTES Important allowances provided on a pattern to obtain the required final casting dimensions, shape and surface finish. Key Idea: Pattern is always made with some increments and decrements in dimension…
Applied Physics MCQ Practice Set Preparing for the WBSCTE Diploma 1st Semester Applied Chemistry examination? This post features a carefully selected collection of important Applied Chemistry MCQs with correct answers and easy-to-understand explanations, designed to help Diploma Engineering students prepare…
Applied Chemistry MCQ Practice Set 1 (Atomic Structure) Preparing for the WBSCTE Diploma 1st Semester Applied Chemistry examination? This post contains important Applied Chemistry MCQs with correct answers and simple explanations to help Diploma Engineering students prepare effectively for their…
Introduction One of the fundamental questions in fluid mechanics is: What is a fluid, and how does it differ from a solid? At the molecular level, solids have closely packed molecules with strong intermolecular forces, allowing them to maintain a…
1. What is the SI unit of force? A. Joule B. Newton C. Pascal D. Watt Show Answer Answer: B. Newton Explanation: Force is measured in Newton (N). 2. An ideal machine is one whose efficiency is A. 50% B.…
📌 Introduction: Gears are one of the most important elements in Theory of Machines (TOM) and Machine Design. They are widely used in automobiles, machines, gearboxes, clocks, and industrial equipment to transmit motion and power between shafts. Therefore to understand…
A reciprocating compressor is a positive-displacement machine that compresses gas by using a reciprocating piston inside a cylinder. It works on the principle of increase of pressure by reducing the volume of a gas-filled. Basic Components:Cylinder: The chamber where compression…
Crystalline Material: Crystalline Material is in which the atoms are situated in a repeating or periodic array over a large atomic distance. So a crystalline structure is an ordered and repeating arrangement or pattern of atoms or ions. All metals,…
Heat source in the Gas welding (oxy fuel gas welding) is the flame produced by the combustion of a fuel ( Acetylene) and oxygen. Three different types of gas welding flames can be obtained by varying the oxygen–acetylene (or oxygen–fuel…
