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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
a bank has only one typist since the typing work varies in length number of pages to be typed the typing rate is randomly distributed approximating a
a vibrating system having mass 12 kg is suspended by a spring of stiffness 1000 nm and it is put to harmonic excitation of 10 nassuming viscous
what are various types of damping explain viscous dampinga vibrating system is defined by the following parameters m 4kg k 10nm c 3n-secmevaluatea
what are the various methods for calculation of natural frequencies illustrate one of thema cylinder of diameter 100 mm and mass 1 kg floats
a what do you mean by vibration and the terminology used in it to be definedb a body is subjected to two harmonic motions as provided below x1 10
derive the characteristic equations of motion for the underdamped critical damped and overdamped free damped vibration systemwrite short notes oni
a show energy method and rayleighs method for single degree of freedom system also discuss its applicationb a sphere of diameter d floats half
a a mass of 1 kg is to be supported on a spring having a stiffness of 9800nm the damping coefficient is 59 n-secm calculate the natural frequency of
a light cantilever of rectangular section 5cm deep and 25 cm wide has a mass fixed at its free end find the ratio of frequency of free lateral