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A diesel engine performs 2090 J of mechanical work and discards 4125 J of heat each cycle.
(a) How much heat must be supplied to the engine in each cycle?
(b) What is the thermal efficiency of the engine?
Prepare a Journal paper on Renewable Energy
The system is at rest in the position shown, with the 12-lb collar A resting on the spring (k = 20 lb/ft), when a constant 30-lb force is applied to the cable. What is the velocity of the collar when it has risen 1 ft? The collar is attached to th..
Find the velocity of the bullet and block just after impact.
Estimate the theoretical fracture strength of a brittle material if it is known that fracture occurs by the propagation of an elliptically shaped surface crack of length 0.16 mm and that has a tip radius of curvature of 0.002 mm when a stress of 1..
Entropy explained in this solution, Liquid H2O at 8 MPa and 40 degrees C is heated reversibly at constant pressure until the temperature reaches 600 degrees C
an engine block with a surface area measured to be 0.90m2 generates a power output of 55 kw with a net engine
a venturi meter is inserted in a pipe whose diameter is 12 in. the diameter of the meter at its throat is 6 in. and the
a rigid tank with a volume of 25 m3 contain 15 kg of saturated liquid-vapor mixture of water at 75 ordm c. now the
the friction force acting at the chip-tool interface the main (tengential ) cutting force is 1500N . Find the orthogonal rake angle of the cutting tool?
find the natural frequency of a pendulum for small angle deflections when the mass of the rod/string is not negligible. (Mass of rod = m, mass of ball = M.
two 20mm steel plates are welded to a rolled S section as shown. Determine the moments of inertia and the radii of gyration of the combined section with respect to the centroidal x and y axes.
a 10-lb block is attached to an unstretched spring of constant k12lbin. the coefficients of static and kinetic friction
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