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An insulated rigid container is separated into two parts using a partition that is free to move. What is the volume (m3) occupied by each gas at equilibrium?
The average plate temperature of a flat plate of length L with constant heat flux with air at 20?C flowing over it at a certain velocity was found to be 50?C. What is the temperature at the trailing
Determine the centerline temperature of the beam after an exposure time of t = 5h. Determine the centerline temperature of a second beam that is of the same size.
If 10 rods of length L =1m are processed per hour, what is the nominal rate at which energy must be extracted from the bath (the cooling load)?
What is the initial pressure of the gas? What is the final temperature of the gas assuming the heat capacity is a constant?
A hollow metal cube with sides 100mm floats at the interface between a layer of water and a layer of SAE 10W oil such that 10% of the cube is exposed to the oil.
A steel plant heat treats steel rods by passing them through a 1000 degrees C oven. What is the rate of entropy generation for this heat treating process?
When a particle is projected vertically upwards with an initial velocity of v0, it experiences an acceleration a=-(g+kv^2), where g is the acceleration due to gravity, k is a constant and v is the v
If the fraction of lattice points containing vacancies is 8 * 10^-5 at 600 °C, determine the fraction of lattice points containing vacancies at 1000 °C.
Draw a diagram of the device. Label all of the energy and mass transfers and the control volume or control system being analyzed. Determine the power produced by this turbine.
A rectangular gate of 1m wide is hinged at its top edge, shown as bellow. There is water at the right hand side of gate; the water is at the same level as the hinge. On the top of the water at the r
Calculate the total Dv required to transfer between two coplanar circular earth orbits of radii r1 = 2 DU and r2 = 5 DU respectively using a transfer ellipse having parameters p = 2.11 DU and e = 0.
The old style heating uses steam (or hot water) in an radiator to heat a room in winter time. A radiator can be considered as a vertical surface 0.5 meter high and 1 meter wide. The surface temperat
Air at 15 ? C ?ows over a ?at plate. A heater strip 10 cm long is placed on the plate at a distance 15 cm from the leading edge. The local heat transfer coe?
The average plate temperature of a ?at plate of length L with constant heat ?ux with air at 20? C ?owing over it at a certain velocity was found to be 50 ? C. What is the temperature at the trailing
A steady flow of 15 kg/s of high-pressure liquid oil drives a hydraulic motor at the steady-state-steady-flow conditions shown below. Find the diameter of the exit pipe, and the power output, Wcv &am
At the same time, measurements showed that the pipe elongated by 0.35 mm in a 200 mm gauge length. Determine the depth at which the pipe was stuck. Assume the cross-section of the pipe is constant w
Exhaust gases enter the regenerator at a pressure of 140 KPa, temperature of 800 K and leave at a pressure and temperature of 130 KPa and 600 K. Treat exhaust gases as air.
When the rope it at an angle of 30 degrees the 2 lb sphere A has an initial speed of 2 ft/s. The coefficient of restitution between A and the 4 lb wedge B is 0.8 and the length of the rope l=3ft.
When the field is turned off, the electron beam hits the center of the screen. Ignoring relativistic corrections, what field magnitude is necessary to deflect the beam to the side of the screen?
The water velocity is 20 cm/s. The inside heat transfer is in the turbulent region and you can use the Dittus-Boelter Equation to calculate the heat transfer coefficient. Calculate the heat transfer
A two-dimensional jet in the form of a liquid sheet is turned through an angle of 30 degrees by a curved vane. Derive an expression for the restraining forces required t hold the vane stationary.
Neglecting variations in the height of the vapour column in the tube during evaporation, determine how long it will take for the solvent to evaporate completely.
Determine the centerline temperature of a second beam that is of the same size and exposed to the same conditions as in part (a) but fabricated of lightweight aggregate concrete with density.