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The cockpit of a jet plane flying at a speed of 1200 km/hr is to be cooled by simple air cooling system. The cockpit is to be maintained at 250C and pressure in the cockpit is 1 bar. The ambient air pressure and temperature are 0.85 bar and 300C. The other data available is as follows Cockpit cooling load = 10 TR; main compressor pressure ration= 4; ram efficiency = 90%; temperature of air leaving the heat exchanger and entering the cooling turbine is 600C; pressure drop in the heat exchanger is 0.5 bar; pressure loss between the cooler turbine and cockpit is 0.2 bar. Considering the isentropic efficiencies of main compressor and cooler turbine as 80%. Evaluate the quantity of air passed through the cooling turbine and the COP of the system.
Plate clutch movement on center clutch : Place plate clutch on centre clutch as shown in the picture and move the plate clutch up and down, while moving the plate clutch in the ce
Stud Welding This is an arc welding process in which the arc is struck between a metal stud or similar part and the base metal. The arc heats the mating ends to a proper tempe
The different advantages of alloy steel are as: (a) Higher strength, toughness and hardness upon surface and over bigger cross-section. (b) Better harden-ability and retentio
Plant level - Safety Organization This level works at plant level and would directly report to general manager safety. There must be four plant safety managers as recognized
boiler water hammering
methods involved in grouping the parts into families?
(i) Formulate the equation of motion for the system shown in Figure. List TWO (2) assumptions made in this formulation. (ii) Find the response of this system at t = 3s. The syst
Objectives After studying this section, you should be capable to: known properties that are essential to be present in a material for high temperature applications,
Definition of screw conveyor Screw conveyors belong to the conveyer with traction component. It depends on the shaft with spiral blades in hematic chute to make material move o
1- Explain the rationale of using a small WD to improve resolution. 2- In a tungsten SEM , Why does a high accelerating voltage provide the potential for higher resolution? Why
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