Engineering, 07.08.2019 19:30 savannahworkman11
Amultiple disc clutch, steel on bronze, is to transmit 5 hp at 750 rpm. the inner radius of contact is 1.50 in, and the outer radius of contact is 2.75 in. the clutch operates in oil with an expected friction coefficient of 0. 10. the average allowable pressure is 50 psi, maximum. a. how many total discs of steel and bronze are required? b. what is the average pressure (psi) ? c. what axial force (lb) is required ? d. what is the actual max. pressure (psi) ?
Answers: 2
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, 04.07.2019 18:10
Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.
Answers: 1
Engineering, 04.07.2019 18:10
Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.
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Engineering, 04.07.2019 18:10
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
Answers: 1
Amultiple disc clutch, steel on bronze, is to transmit 5 hp at 750 rpm. the inner radius of contact...
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