Knowing a .02 in gap exists when the temperature is 75 degrees F, determine (a) the temperature at which the normal stress in the aluminum bar will be equal to -11ksi,

(b) the corresponding exact length of the aluminum bar.

Bronze Aluminum

A = 2.4 in^2 A=2.8 in^2

E=15x10^6 psi E=10.6x10^6

alph=12x10^-6/F alpha=12.9x^-6/F

L=14in L=18in

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

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.