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This question is based on Fig. 16.9. An engine operating on an Otto cycle has a maximum peak pressure of 60 bar. If the pressure and temperature at the beginning of the cycle are 1.0 bar and 300 K respectively, evaluate the compression ratio that results in the maximum work output from the cycle. What is the thermal efficiency of that cycle? What effect does the peak pressure have on the result?
a car with a mass of 1480 kg is constructed so that its frame is supported by four springs. each spring has a force
A gentry structure, similar to a tire swing, is used to test the response of an airplane is hoisted back until the 20m swing cable is at theta=60. Determine the speed of the plane just before crashing into the ground at theta=15, when released from r..
A hollow rectangular column at external dimensions 300 x 220 mm. the thickness of column is 40 mm. a vertical load of 30 kn acts on at an eccentricity of 36 mm from C.g. of the section in a plane bisecting shorter side. Find the maximum and minimu..
1-kg water in a frictionless piston-cylinder device is initially at 250 degrees Celsius and 300 kPa (state1). A total of 700 kJ of work is done on the water in order to isothermally reduce its volume to 1/20 of its initial volume (state 2). Determine..
How transformations affect the microstructure and mechanical properties of steel.
Design a compact and lightweight Frahm tachometer with 12 reeds to measure engine speeds in the range 300 600 rpm.
A cylindrical specimen of a metal alloy 51.3 mm long and 11.1 mm in diameter is stressed in tension. A true stress of 350 MPa causes the specimen to plastically elongate to a length of 57.9 mm. If it is known that the strain-hardening exponent for th..
A Crate containing 40 bricks, each of mass 1.3kg, is placed on a storage framework as shown. Calculate the reaction force in each of the supports A and B. Calculate the moment of the force exerted by the crate around support A and the moment of the f..
Using centerline dimensions, calculate the maximum shear stress σmax in the web of the beam.
Give the filter in a form that can be implemented with fixed-point math
heavy crude oil sg0.925 and nu1.0x10-4 m2s is pumped through a pipeline laid on flat ground. the line is made from
a jack having a pitch of 12 inch has a lever the outer end of which passes through a circle 9 feet in circumference.
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