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Saturated ammonia vapor at 30 degree in celcius is passed over 30 vertical flat plates, each of which is 10 cm high and 25 cm wide. The average surface temperature of the plates is 10 degree in celcius. Determine the average heat transfer coefficient and the rate of ammonia condensation.
question 1the naca 4412 airfoil has a mean camber line given byby using thin airfoil theory calculatea. its zero-lift
what is the pressure difference over the manometer in newtons per meter?
In the idealized model attached shown, m = 15 kg, k = 135 N/m, and the viscous damping ratio is 0.15. Assume that an external harmonic force F(t) = 15 cos 4 t acts on the system with F0=15 N and forcing frequency of 4 rad/s.
the adjoining figure illustrates a piston-cylinder arrangement. this cylinder contains helium at 21oc and 1.379 mpa.
write down expressions for the normal strain and the true strain for the following situation 1 in a tensile test where
heated air at 1 atm and 100 degrees f is to be transported in a 400 ft long circular plasitc duct at a rate of 12ft3s.
Evaluate the shearing and normal stresses at points H and J located at the ends of the horizontal and vertical diameters of transverse section located 2.5 in. to the left of bearing B.
a convenient and secure attachment point for fall protection lines is located 35 feet above ground level on the
To Verify the law for parallelogram of forces, law for triangle of forces and law of polygon of forces. These laws are very useful to calculate unknown forces in very short time.
Neglecting the mass of the rod and the effect of friction, determine the radial and transverse components of the velocity of the collar when r = 0.5 m.
The center of gravity of the boom is located at G. Determine (a) the tension in cables DE and DF, (b) the reaction at A.
in an ore-mixing operation, a bucket full of ore is suspended from a traveling crane which moves along a stationary bridge. the crane is traveling at a speed of 3m/s when it is brought to a sudden stop. Determine maximum horizontal distance throug..
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