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A Boot Strap Cooling system of 10 TR capacity is used in an aeroplane. The ambient air pressure and temperature are 0.85 and 200C bar respectively. The pressure of air increases from 0.85 bar to 1 bar because to ramming action of air. The pressure of air discharged from the main compressor is 3 bar. The discharge pressure of air from auxillary compressor is 4 bar. The isentropic efficiency of each of the compressor is 80% , while that of turbine is 85%. 50% of the enthalpy of the air discharge from the compressor is replaced in first heat exchanger and 30% of the enthalpy of air discharged from the auxillary compressor is replaced in the second heat exchanger using rammed air. Considering ramming action to be isentropic, the required cabin pressure of 0.9 bar and temperature of air leaving the cabin not more than 200C, determine power required and the COP of the system.
The layout of a transmission shaft carrying two pulley C and B and supported on bearings A and D is shown in figure. Power is supplied to the shaft by means of vertical belt on pul
DRIVESHAFT SEALS Packed gland Sealed by several layers of asbestos or cotton yarn Sometimes used two boxes with intervening space separated by steam Problems: T
The steam that leaves the super-heater is expanded from 130bar at 535°C to 25.2bar at 310°C in a high pressure turbine. The steam from the exit of the HP turbine is reheated to 535
Q. Show the Coating Application? Immediately following surface preparation, the cleaned pipe shall be uniformly preheated by a non-contaminating method to the application tempe
Determine the width and depth of the beam: A timber beam of rectangular section is only supported over a span of 5 m. It carries an uniformly distributed load of 15 kN/m over
define the prandtl stress function
Law of superposition: When the two forces are in equilibrium (equal, collinear and opposite), their resultant is zero and their combined action on rigid body is equivalent to
Performance criterion of a steam power plant: Sol. : The design of power plant can be determined largely by the consideration of capital cost and operating cost; the forme
There are various methods to visualize the design process which can be summarized as given below: a. An automated drafting tool and presentation of graphics. b. A means
#question. how much the strength coefficient of 383 cast alloy , to calculate the quality index .
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