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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
a split up the harmonic x 8 sinomegat 45deg into two harmonic motions one of which has amplitude of 10 and phase difference zeroa a body is
a force ft is suddenly applied to a mass m which is supported by a spring with a constant stiffness lsquok after a short period of time t the force
the rotor of a turbo charged having mass of 10 kg is keyed to the centre of 25 mm diameter of steel shaft of 400 mm between bearingscalculate i
a machine having a mass of 100 kg and supported on springs of total stiffness 784 x 105 nm has an unbalanced rotating element which results in a
a illustrate critical damping and its usesb a horizontal spring mass system with coulomb damping has a mass of 5 kg attached to a spring of stiffness
a illustrate fourier series and calculate the constant coefficientsb a harmonic motion is provided by xt 10sin30t -pi3 where t in seconds and phase
illustrate any three of the following i critical dampingii logarithmic decrementiii vibration isolationiv equivalent stiffness of spring in series
a machine of mass one tonne is acted upon by an external force of 3000 n at a frequency of 1500 rpm to reduce the effects of vibration isolator of
a a spring mass system has a period 025 sec what will be the new period if spring constant is increased by 50 b a vibratory system in a vehicle is to