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An engine uses air as the operating substance. At the beginning of compression the pressure is 90 KN /m2 and the temp. is 400C. During the adiabatic compression, the volume is reduced to one-sixteenth of its normal value at the beginning of the compression stroke. Heat is then added at constant pressure until the temp. is 14000C. The stroke is completed by adiabatic expansion until the initial volume is reached, when the cycle is closed by a constant volume process.
a) Draw the P-V and T-S diagram of the engine.
b) Determine the temperature and pressure at all the corners of the diagram.
c) Calculate the thermal efficiency of the cycle.
d) Derive the expression used.
For the beam shown below, we need to determine: (i) The support reactions R L and R R (ii) The s
A Single Cylinder Vertical Engine has a stroke of 40cm and a bore of 30cm. The connecting rod is 100cm long. The mass of the reciprocating parts is 140Kg on the expansion stroke wi
A car travels at a constant speed around a circular track whose radius is 2.2 km. The car goes once around the track in 400 s. What is the magnitude of the centripetal acceleration
please share some basic theory material
The Leader Command The Leader command can be used to annotate at any point on a drawing. The command sequence below was used to draw the leader shown in the Figure Below.
can you do it
(a) List several advantages and disadvantages of using transparent polymeric materials for eyeglass lenses. (b) Cite four properties (in addition to being transparent) that are
What are the various methods for calculation of Natural frequencies? Illustrate one of them. A cylinder of diameter 100 mm and mass 1 Kg floats vertically in a liquid of mass de
Find out the forces in the members of the tower: Find out the forces in the members of the tower. Solution By symmetry, ∠ AFG = ∠ AGF = θ and HG = 7.5 m; while AH = 3
Compute the displacement of the particle: The acceleration time diagram for particle is as specified below .Computed velocity of the particle at several time intervals, plot v
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