For the Sopwith Camel in Prob. 6.9 , calculate the equilibrium glide velocity at 3000 ft, corresponding to the minimum glide angle. The aspect ratio of the airplane is 4.11, the Oswald effi ciency factor is 0.7, the weight is 1400 lb, and the wing area is 231 ft 2 .

Fluids at rest possess no flow energy. a)- true b)- false

Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.

Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent