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A horizontal jet of water 2 x 103 mm2 cross-section and flowing at a velocity of 15 m/s hits a flat plate at 60 degrees to the axis (of the jet) and to the horizontal. The jet is such that there is no side spread. If the plate is stationary, calculate a) the force exerted on the plate in the direction of the jet and b) the ratio between the quantity of fluid that is deflected upwards and that downwards. (Assume that there is no friction and therefore no shear force.)
An alternating copolymer is known to have a number-average molecular weight of 100000 g/mol and a degree of polymerization of 2210. If one of the repeat units is ethylene, which of styrene, propylene, tetrafluoroethylene, and vinyl chloride is the ot..
assuming that steam can be treated as an ideal gas what would the specific volume of steam be at 600deg f and 120 psia
Determining Feasibility, At steady state, a new power cycle is claimed by its inventor to develop 6 horsepower for a heat addition rate of 400 Btu/min
Estimate the surface temperature of the chip, Ts, if its heat dissipation rate is 30 mW.
Calculate the fraction of atom sites that are vacant for copper (Cu) at a temperature of 729°C (1002 K). Assume energy for vacancy formation of 0.90 eV/atom. Repeat this calculation at room temperature (298 K).
nitrogen gas at 60 kpa and 7 degc enters an adiabatic diffuser steadily with a velocity of 200 ms and leaves at 85 kpa
Air is contained in a piston-cylinder assembly, initially at 40 psia and 600 R. The air expands in a polytropic process with n = k = 1.4 until the volume is doubled. Modelling the air as an ideal gas with constant specific heats,
an automobile can accelerate at the rate of 1.5ms2 and can decelerate at 7ms2. if driver never exceeds the speed limit
What information has to be obtained in order to ensure that the method will be a satisfactory one and determine changes in composition of a fluid. Define what is meant by refractive index, and give the relationship between the incident and refracte..
Determine the smallest gauge of copper wire which must be used if the indicated maximum temperature is to be less than 202°C - Explain what is meant by 'the law of intermediate metals' relating to temperature measurement using thermocouples.
estimate the specific molar volumes in cm3mol using the peng-robinson equation of state for nitric oxide at 150 k
an inverted conical container 26 in in diameter and 44 in high is filled with a liquid at 20degreesc. the liquid weight
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