Engineering, 26.07.2019 20:10 isabella20142002
A350 gal air storage tank is initially at 100 psig. for how long can the tank supply 30 cfm of air to a machine that requires at least 80 psig to operate?
Answers: 3
Engineering, 04.07.2019 18:10
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.
Answers: 3
Engineering, 06.07.2019 05:10
The constant-pressure specific heat of air at 25°c is 1.005 kj/kg.°c. express this value in kj/kg k, jg c, kcalk.c, and btu/lbm °f.
Answers: 1
Engineering, 06.07.2019 05:20
A8-in.-diameter steel shaft is to have a press fit with a 16-in-diameter cast iron hub. both the hub and the shaft are 10 in long. using maximum normal stress theorem and appropriate safety factor, it was identified that the maximum allowable circumferential (a.k.a. hoop or tangential) stress in the hub is to be 7.5 ksi. the moduli of elasticity are 30 x 106 psi for steel and 15 x 106 psi for cast iron. the poisson's ratio for both steel and cast ron is 0.3 and coefficient friction for the two materials is 0.12. determine a. the interference or the original mismatch, 8 b. the maximum axial force required to press the hub on the shaft
Answers: 1
Engineering, 06.07.2019 06:20
Asemiconductor is a solid substance that has a conductivity between that of an insulator and that of most metals. (true , false )
Answers: 2
A350 gal air storage tank is initially at 100 psig. for how long can the tank supply 30 cfm of air t...
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