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explain properties and application of aluminiumproperties of aluminium1 pure aluminium in colour is silver white2 aluminium is a ductile metal and
why earthing is required for any electrical equipments domestic installation and service building etc for tl coaches what is the minimum ir value
explain factors that change the resistivity of conducting materialstemperature- electrical resistance of most metals rises with increase of
explain macroscopic approach - thermodynamics1 in this method a fixed quantity of matter is considered without taking into account the events taking
explain the principle of a thermocouple give two examples of some common thermocouplesthermocouples they are used for the measurement of temperature
name the materials used in case of bimetals and give reasons bimetals alloy of nickel and iron along with low value of coefficient of thermal
define phasea phase is a quantity of matter that is homogeneous during in chemical composition and physical structure determine if the matter is all
name the materials used in case of solder and give reasons solder for soft solders tin lead in 50-50 ratio alloy and for hard solders copper- zinc
name the materials used in case of fuses also give reasons fuses for rewirable fuses copper-tin and lead-tin alloy is used for hrc and cartridge
explain thermodynamics systemin thermodynamics the system is illustrated as the quantity of matter or region in space upon which the concentration is
what is the effect of temperature on conductivity of semiconductorelectrical conductivity of semiconductor changes appreciably along with temperature
give the properties and application of asbesto asbestos it is inorganic fibrous material two kinds of asbestos are availablechrysotile asbestos this
explain the heterogeneous system - thermodynamicheterogeneous system a system which involves two or more phase is known as heterogeneous system such
explain the homogeneous system - thermodynamichomogeneous system a system which contains a single phase is known as homogeneous system such as
give the properties and application of glassglass - it is an inorganic material made by the fusion of various metallic oxides the properties of glass
explain the adiabatic system - thermodynamicadiabatic system a system along with adiabatic walls can just only exchange work and not heat with the
explain the isolated system - thermodynamicin an isolated system neither masses nor energy are permitted to cross the boundary the system comprises
explain the open system - thermodynamicthe system that can exchange both of the mass and energy that is heat and work with its surrounding the mass
give the properties and application of bronzebronze it is alloy of copper and tin this alloy is very brittle and hard its corrosion resistance is
give the properties and application of brass brass- it is an alloy of copper and zinc with 60 percent copper and 40 percent zinc its electrical
what are the safety consideration in under batteries and gearans alternator-1 suspension pin with cotter pin and anti- rotation plate2 alternator
state the scope of thermodynamics in thermal engineeringthermal engineering is a very significant associate branch of mechanical chemical
what do you understand by pele box and when it is utilizedans the equipments required in pele box arei holderii tripod standiii bulbsiv crocodile
explain the laws of thermodynamicsusually thermodynamics contains four lawsa zeroth law this law deals with thermal equilibrium and establishes
define thermodynamicsthermodynamics is the science which deals with the conversion of heat into mechanical energy it is relies upon observations of