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Air flows into the atmosphere from a nozzle and strikes a vertical plate as shown in Fig. A horizontal force of 9 N is required to hold the plate in place. Determine the velocity at the exit, V1, and the velocity within the pipe, V2.
The truss shown carries a moving uniform live load of 3 kips/ft and a moving concentrated live load of 20 kips along its top chord. What is the maximum force in member Bb
Hydrogen flows through a horizontal insulated duct. At section1 the enthalpy is 2400 btu/lbm, the density is .5 lbm/ft^3 and the velocity is 500 ft/sec. at at downstream section, h2= 2240 btu/lbm and density2= .1 lbm/ft^3. No shaft work is done. Dete..
Consider a germanium wafer which has been doped with antimony to become extrinsically semiconducting at room temperature. What type of semiconductor is antimony doped germanium? What are the majority (or dominant) charge carriers in this material nea..
1 a if the vacancy concentration in cu is measured to be 10-5 at 1300k near its melting point what is evf? assume
consider the following pulse width modulation rc circuit. the circuit consists of a switch two resistors and a
An open pan of 150 mm diameter and 75 mm deep contains water at 25 C and is exposed to atmospheric air at 25 C and 50% R.H. Calculate the evaporation rate of water in grams per hour.
A similar measurement is made applying the force parallel to one of the cube axes. Explain why the two measurements give different values of the elastic modulus.
explain the different experiment.purpose of this practical is to verify the law for parallelogram of forces law for
A heat pump supplies 40 kW of heat to maintain the inside of a house at 25 degree C in cold winter months when the ambient temperature is 00C. Power required to operate the heat pump cycle is provided by a heat engine cycle which receives 10 kW of he..
A 7.1cm external diameter, 6m long hot water pipe at 85 C is losing heat to the surrounding air at 15 C by natural convection with a heat transfer coefficient of 40 W/m2 C. Determine the rate of heat loss from the pipe by natural convection in Kw.
design a pump that delivers 200 litersmin at a pressure of 120 bar. the given data discharge and pressure can fit with
Consider a regenerative vapor power cycle with two feed water heaters, a closed one and an open one, as shown in the figure. Steam enters the first turbine stage at 12 MPa, 480°C, and expands to 2 MPa. Some steam is extracted at 2 MPa and fed to the ..
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