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During processing in a steel mill, a 750 lb steel casting at 800 °F is quenched by plunging it into a 500 gal oil bath, which is initially at a temperature of 100 °F. After the casting cools and the oil bath warms, what is the temperature of the two? The weight per unit volume of the oil is 7.5 lb/gal.
The mixture leaves the mixing chamber as a liquid at 45°C. If the surroundings are at 15°C, determine (a) the temperature of saturated steam entering the chamber, (b) the energy destruction during this mixing process, and (c) the second-law effici..
Consider a supersonic wind tunnel with test section Mach number of 2 and fixed geometry diffuser designed to operate with minimum stagnation pressure losses (smallest diffuser area).
The system is released from rest in this position. Show that the free end of the rope executes simple harmonic motion, and find its period and amplitude.
An inventor claims to have developed a device that executes a power cycle while operating between reservoirs at 500 and 300 K that has a thermal efficiency of (a) 45%, (b) 40%, (c) 35%. Evaluate the claim for each case.
a facing operation is performed on an engine lathe. the diameter of the cylindrical part is 6 inches and the length is
The difference between the brake power and indicated power of a petrol engine and a diesel engine
A piston-cylinder filled with air receives 10 kJ of heat and expands, doing 5 kJ of work. What is the change in internal energy of the air?
The internal diameter is 0.75 times the outer diameter. If the yield stress is 300 MPa and a safety factor of 1.5 is required, determine the minimum inner and outer diameters required according to the Maximum Shear Stress theory (Tresca).
A disc with radius, R, rotates (at an angular speed of [omega]) near a surface that is fixed. The space between the disc and surface is filled with a fluid that has viscosity, µ. The distance between the disc and surface is h. Find the dependence bet..
Prepare a report on Thermal analysis - The cooling curve method is one of the oldest and simplest methods to determine phase diagrams and phase transition temperatures
The inner diameter of the circular tube is 10 cm. It has been measured that in 1 minute an amount of water of 35 cm3 is collected in a measuring glass. What is the value of the hydraulic conductivity k?
Referring to Figure 2.21, prove Equation 2.48 for the angle of incidence. (Hint: use direction cosines of the sun-ray vector and a vector normal to the tilted surface to find the angle between them. The dot product of two unit vectors gives the co..
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