Find the plant-s thermal efficiency
A utility plant runs an ideal Rankine cycle with water. The boiler pressure is 3.0 MPa and the cycle has a high temperature of 450 °C and its low temperature is 45 °C. Find the plant's thermal efficiency.
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Compute the ASTM grain size number for this alloy. Be careful, this picture is not taken at 100X. You will first need to calculate the number of grains per square inch at 100X.
Accounting for the variation of specific heats,according to temperature determine the air temperature at the compressor exit, the back work ratio and the thermal efficiency.
Determine the fractional yield of fresh water from the process (kg H2O recovered/kg H2O in process feed) and the fraction of salt in the solution leaving the fourth evaporator. Draw a flow chart of this system.
Determine the power in hp delivered by the motor (a) when the elevator is moving down at a constant spee of 1 ft/s, (b) when it has an upward velocity of 1 ft/s and a deceleration of 0.18 ft/s^2.
All of the members of the 4-member frame shown have rectangular cross-sections 2 in. wide by ½ in. thick. All pins have ½ in. diameters. Determine the internal resultants in member ABC at a point half.
An airplane is traveling at a constant speed of 200 m/s. Air enters the jet engine at the rate of 40 kg/s, while the combustion products are discharged at an exit velocity of 600 m/s relative to the airplane.
It has been determined that a point in a load-carrying member is subjected to the following stress condition. Draw the complete Mohr's circle, labeling critical point.
The drum rolls without slipping on the surface of the conveyor with an angular velocity of 12 rad/s. What is the velocity and acceleration of point a relative to an earth fixed coordinate system?
Accounting for the variation of specific heats with temperature. Determine: The cutoff ratio The heat rejection per unit mass The thermal efficiency.
A rugged instrument used frequently for monitoring gas velocity in smoke stacks consists of two open tubes oriented to the flow direction as shown and connected to a manometer. The pressure coefficient is 1.0 at A and -0.3 at B.
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