Preventive Measures for Engineers

Few safety measures commonly used in industries comprise of the proper safety guards for reciprocating machine components such as drop hammers, presses, shaper, slotter, power hacksaw, paper cutters etc., fencing of dangerous and rotating parts like revolving shafts, incorporating safety devices such as safety valves, rigid construction of heavy items like hoists, cranes etc, proper… Read More »

Common safety Methods

The common methods of safety are as follows: 1. Safety by construction or design. 2. Safety by position. 3. Safety by using fixed guards. 4. Safety by using interlock guards. 5. Safety by using automatic guards. 6. Safety by using trip guards. 7. Safety by using distance guards. 8. Safety by workplace layout and proper… Read More »

Common Tools Used in Carpentry Shop

Commonly used tools to shape wood for various types of joints by driving in and driving out nail involve cutting and smoothening of wood surfaces. A broad classification of tools used in the wood working or carpentry shop are measuring and marking tools, supporting and holding tools, cutting tools, striking tools and miscellaneous tools. Most… Read More »


Air-conditioning is a process that simultaneously conditions air; distributes it combined with the outdoorair to the conditioned space; and at the same time controls and maintains the required space’s temperature,humidity, air movement, air cleanliness, sound level, and pressure differential within predetermined limits for the health and comfort of the occupants, for product processing, or both.… Read More »

Air-Conditioning Systems

An air-conditioning or HVAC&R system consists of components and equipment arranged in sequentialorder to heat or cool, humidify or dehumidify, clean and purify, attenuate objectionable equipment noise,transport the conditioned outdoor air and recirculate air to the conditioned space, and control and maintainan indoor or enclosed environment at optimum energy use. The types of buildings which… Read More »

Motivating examples and major applications

A dynamical system is a mathematical model of a system evolving in time. Most models in mathematical physics are dynamical systems. If the system has only a finite number of `state variables’, then its dynamics can be encoded in an ordinary differential equation (ODE), which expresses the time derivative of each state variable (i.e. its… Read More »

Effect of Impurties on Steel

The following are the effects of impurities like silicon, sulphur, manganese and phosphorus on steel. 1. Silicon: The amount of silicon in the finished steel usually ranges from 0.05 to 0.30%. Silicon is added in low carbon steels to prevent them from becoming porous. It removes the gases and oxides, prevent blow holes and thereby… Read More »

Mechanical Engineering (Definition)

Mechanical engineering is a discipline of engineering that applies the principles of physics and materials science for analysis, design, manufacturing, and maintenance of mechanical systems. It is the branch of engineering that involves the production and usage of heat and mechanical power for the design, production, and operation of machines and tools. Facebook Comments

Theory of Machines (Introduction)

Definition: The subject Theory of Machines may be defined as that branch of Engineering-Science which deals with the study of relative motion between the various parts of a machine and forces which act on them. the knowledge of this subject is very essential for an engineer in designing the various parts of machine. source: Theory… Read More »