An unsafe condition means the existence of a mechanical, physical, chemical, or environmental condition or situation which may cause a hazard or accident. The unsafe condition may be the sole accident cause or one of several causes. The unsafe conditions can be rectified, repaired, or made safe mostly by engineering controls. An unsafe condition is …
An unsafe act is a human error or personal mistake by which there is a chance of accident, injury, property loss, or harm to the environment or an unsafe act is a human activity resulting in accident injury, etc. The unsafe act might be deliberate or committed due to the absence of knowledge, ignorance, or …
The circuit breaker essentially consists of fixed and moving contacts called electrodes. Under the normal operating condition, these contacts remain closed, but the contacts are open when any fault occurs. Actually, when a fault occurs on any part of the system the circuit breaker’s trip coil gets energized and the moving contacts in the circuit …
A circuit breaker is a piece of equipment or a switching device that can make or break a circuit either manually or automatically under normal or faulty conditions. A circuit breaker is a safety device used to prevent damage to electrical circuits or electrical appliances on overload or short circuit conditions. The characteristic of the …
Industrial ventilation is most necessary to remove excessive temperature. Clean, fresh, and uncontaminated air is the basic need of life. The human body can not tolerate excessive temperature. Heat stress produced by very hot or cold exposure causes adverse effects on the health and safety of work people. The industry has many pollutants which contaminate …
