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An engine operates on an air standard otto cycle with the compression ratio of 9:1. The pressure and temperature at the end of compression stroke are 800 kpa and 700 degree C. Determine the network if the pressure at the end of heat addition is 3 Mpa.
it is found that 10 btus of heat must be supplied to a house in order to maintain its temperature at 70of when the
a piston-cylinder device contains a liquid-vapor mixture of water at 300k. during a constant-pressure process 750kj of
the 20 kg mass is released from the position shown and falls on the linear spring k 30000 nm. use conservation of
a steel pipe of 12-in outer diamer is fabricated from 14-in-thick plate by welding along a helix that forms an angle of
two l4 x 4 x 12-in. angles parallel to and on the x-axis are welded to either sides of a 10-in. high by 12-in. wide
the characteristic equation of a certain system is s210ds29d20 where d is a constant. a for what values of d is the
how much heat in kj must be added to 2 kg of steam initially at t1 300 degree c contained within a rigid volume to
a four-cylinder engine with a 9.5-cm bore and an 8.75-cm stroke has a 7 clearance. the engine rotates at 2500 rpm. the
a simple ideal rankine cycle with water as the working fluid operates between the pressure limits of 4 mpa in the
a 25-hp 240-v 77.8-a shunt motor has an armature resstence of 0.083 ohms and a field-circuit resistance of 125 ohms.
a cold-drawn steel shaft of 155 bhn is 12 in. long 1.25 in. in diameter and has a 0.25-in.-diameter transverse hole.
The temperature on the faces of a plane wall 15cm thick are 375 and 85?.The wall is constructed of a special glass with the following properties:k=0.78W/m·?,ρ=2700Kg/m³,Cp=0.84KJ/Kg·?.What is the heat flow through the wall at steady-state cond..
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