Er. Aman
What do you understand by Metrology?
It is basically the science of measurement.
The purpose of this discipline is to establish means of determining physical quantities.
Important Terminologies
Nominal Size
This is used for general identification purposes and the size of any part is defined during its drawing.
Basic Size
Gear Definition
A Gear is a rotating machine part having cut teeth, or cogs, that meshes with another toothed part in order to transmit torque.
Gear Terminologies
What is Friction?
Friction is the force that opposes the motion. It acts between the surfaces in contact.
There are basically four types of frictions-
Definition of Solid Friction
The friction that acts between the surfaces of solid surfaces. Static, Sliding and Rolling Frictions are the examples of Solid Frictions.
Basic Buoyancy and Floatation Concepts and Formulas
Buoyancy
When a body is immersed in a fluid, an upward force is exerted by the fluid on the body which is equal to the weig
Reasoning coding-decoding theory. Coding-Decoding notes this topic is very important and scoring for all competitive exam bank, SSC, Delhi.
Here we provide some of the basic Objective Type Problems on Trains with explanation for various interview, competitive examinations and entrance tests like SSC, Banking, etc.
Trains Multiple Choice Questions
Important Mensuration Formula Mensuration is and important branch of mathematics. In this we basically calculate the perimeter, area, …
What are Latitude and Longitude? Definitions of Latitude Longitude The Grid Geography Notes for SSC, Banking Govt. Exam. Properties of Latitude Longitude.