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Two kilograms of water execute a Carnot power cycle. During the isothermal expansion, the water is heated until it is a saturated vapour from an initial state where the pressure is 40 bar and the quality is 15%. The vapour then expands adiabatically to a pressure 1.5 bar while doing 491.5 kJ/kg of work. Sketch the cycle on P-v coordinates Evaluate the heat and work for each process, in kJ Evaluate the thermal efficiency.
Determining initial acceleration of a projectile How can I proceed to solve the problem below?
If the bullets stick to the block and they move together find the velocity of the final system and find the total impulse of each bullet if the movement takes 0.5s before coming to a stop.
the end of a large tubular workpart is to be faced on a nc vertical boring mill. the part has an outside diameter 45.0
permit a user to input a number between 1 to 10. store this value as the variable numberofresistors. this will be used
a convenient and secure attachment point for fall protection lines is located 35 feet above ground level on the
A cooking pot whose inner diameter is 20 cm is filled with water and covered with a 4-kg lid. If the local atmospheric pressure is 101 kPa, determine the temperature at which the water starts boiling when it is heated.
a stepladder consisting of two legs pinned together at c is resting on a rough floor. will a 160-lb worker be able to
The annual holding cost rate for this type of item has been estimated at 28%. What option is more economical?
mechanical vibrations a helical spring of stiffness k is cut into two halves and a mass m is connected to be 0.5 s. if
the given figure depicts an indirectly fired gas turbine engine. in the gas turbine engine air is compressed to a high
A turbine salesman makes the following claim for one of his products: Steam enters a steady-flow adiabatic turbine at 4 MPa, 600 °C with negligible velocity and exhausts at 200 kPa with a velocity of 180 m/s
Explain the differences between fire-tube boilers and water-tube boilers and discuss the major factors which affect the choice of boiler type for particular applications.
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