Engineering, 26.11.2019 20:31 lol6998
Light oil at 75°f flows over a 22-ft-long flat plate with a free-stream velocity of 5 ft/s. take the critical reynolds number as recr = 5 × 105 and the density and kinematic viscosity of light oil at 75°f as rho = 55.3 lbm/ft3 and v = 7.751 × 10–3 ft2/s. determine the total drag force per unit width of the plate. (round the final answer to two decimal places.)
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The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
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Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when
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Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
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Engineering, 04.07.2019 19:10
With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.
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Light oil at 75°f flows over a 22-ft-long flat plate with a free-stream velocity of 5 ft/s. take the...
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