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INTRODUCTION : Electricity is one of the finest gifts of science to the mankind since just a flick of switch can flood the room with light or put on a fan, an air conditioner or a heater. Many electrical appliances are available to make life comfortable. In a laboratory most of the instruments and all specialised equipment and computers would be usable only with electrical power. However, electricity also presents a number of hazards. Its misuse can cause serious injury, give shock that may be fatal or start devastating fires. Most electrical accidents are caused by worn out equipment or improper use - both of which are avoidable. For instance, according to National Crime Records Bureau, there have been 3502 and 3861 accidental deaths in on country due to electric shock during 1994 and 1995, respectively. Similarly the use of LPG in laboratory is convenient for a number of purposes; but if used carelessly, it may lead to fire and other hazards.
Besides LPG other compression gases also need careful handling and may pose a potential danger in-the event of misuse. In this unit we will discuss the possible hazards due to improper use of electricity, LPG and other compressed gases. We are going to give you some instructions to be followed for safety. The first section describes electrical hazards while the second section describes the gas hazards. In fact, the next unit deals with the fire hazards for which the in issues of electricity and LPG are also responsible to a large extent.
For the network shown in Figure, find the current in each resistor by means of nodal analysis.
Low-pass electronic filter: The capacitors and inductors are the reactive elements of the filter. The number of elements ascertains the order of the filter. In this situation,
1. A very narrow laser beam in air is shone into a sphere of solid glass that has a uniform refractive index n>1 and radius ? . The beam makes an angle a in air with the normal to
if contents of accumulator are all one''s then result would be zero so Z flag should be affected and same if all zero''s.....but here it is written that no flags is affected...
Single Phase Full Wave Mid Point Type Rectifier A single phase full wave mid point type controlled rectifier consists two thyristors one centre tapped transformer an
Fixed bias (base bias): Diagram: Fixed bias (Base bias) This type of biasing is also known as base bias . In the instance above figure, the single power source (
Load Stack Pointer This instruction loads the stack pointer register with the 16 - bit data specified in the instruction. The 16 - bit data. When stored in sp registe
Q. Show the Classifications of Data Network? Classifications of Data Network: Data Networks are categorized according to their geographical coverage: • Wide area networks
The automobile shall not rely on fossil fuel for energy. The automobile shall be designed using available and emerging technology. The automobile shall seat at least five
Q. Explain about Automatic Stabilizers? Automatic Stabilizers: Government fiscal policies which have effect of automatically moderating cyclical ups and downs of capitalism.
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