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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
a draw p-h and t-s diagrams for following cases 3i cycle with superheated vapour before compressionii cycle with sub-cooling or under-cooling of
an aircraft moving with speed of 1200 kmhr uses simple air refrigeration cycle for air conditioning the ambient temperature and pressure are 035 bar
why is it required of cooling the aeroplane illustrate boot-strap air evaporative cooling system with neat sketch and t-s
an air refrigerator operates between the pressure limits of 1 bar and 5 bar the temperature of the air entering the compressor and expansion cylinder
a describe the terms refrigeration and air-conditioning determine the units of refrigeration b the capacity of refrigeration is 400 tr when working
a describe and calculatei humidity ratioii dptiii relative humidityiv densityv enthalpyof atmosphere air when dbt is 350c wbt is 230c and the
the cockpit of a jet plane flying at a speed of 1200 kmhr is to be cooled by simple air cooling system the cockpit is to be maintained at 250c and
a boot strap cooling system of 10 tr capacity is used in an aeroplane the ambient air pressure and temperature are 085 and 200c bar respectively the
a derive a mathematical expression to determine the efficiency of bell coleman cycleb a dense air refrigeration cycle acts between pressures of 4 bar
define the following a boot strap air evaporative systemb simple vcr systemc advantage and disadvantage of vcr system over air refrigeration systemd
a what are the limitations of reversed carnot cycle to be used in practice for refrigeration purposes also derive the mathematical expression of cop
in a 15 tr ammonia refrigerator plant the condensing temperature is 250c and the evaporative temperature is -100c the refrigerant ammonia is
a explain various types of methods of refrigerationb write the factors consideration for the selection of refrigerant for a systema 5 tonne
draw the p-h and t-s diagram for the vapour compression cycle when the vapour after compression is i wet regionii dry
what are the advantages of compound compression with intercooler over single stage compressionexplain with the help of schematic and p-h diagrams the
bhasker operates a retail shop and sells the high priced hot food thermoware each unit i priced at rs250 experience has shown that the weekly demand