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A 25-mm-diameter cylindrical roller is preloaded against a 75-mm-diameter cylindrical roller in a traction drive. The steel rollers are 25 mm wide and the preload force is 200 N. The axes of the cylinders are parallel. Calculate the maximum contact pressure, the width, and the area of contact. Also determine the maximum value of the subsurface shear stress (see Figure P9.35).
What are the distinctive speculations of disappointment under static burden? clarify using your words
air at 1 atm and 35c flow across a 5 cm diameter cylinder at velocity 50 ms . the cylinder surface is maintained at
particle a of mass ma 1.0 kg is at the edge of a table with height 1.0 m. it is connected to a particle b of mass mb
a 10 kw electric heater is used to heat 2 kg of air contained in an insulated rigid tank from 400 kpa and 50 degc to
Water is boiled at sea level in a coffee maker equipped with an immersion-type electric heating element. The coffee maker contains 1 L of water when full. Once boiling starts, it is observed that half of the water in the coffee maker evaporates in 25..
A journal bearing is to be designed for a centrifugal pump for the following data: load on the journal = 12 kN ; diameter of the journal = 75 mm ; speed = 1440 r.p.m ; atmospheric temperature of the oil = 16 C ; peering temperature of the oil = 60 C ..
Choose a common building object made from a type of polymer; explain what type of polymer is used and why it is the most suitable. What are the mechanical and chemical requirements of the polymer for the particular building object?
a spherical cryosurgical probe may be imbedded in diseased tissue for the purpose of freezing and thereby destroying
a particle is moving with a velocity of vo when s0 and t0. if it is subjected to a deceleration of a -kv3 where k is a
a fossil-fuel steam power plant operates at about 50 of carnot thermal efficiency. it has been suggested that the air
formulate the corresponding quadratic functional. Compare the quadratic functional with the total potential energy functional for this problem. Need they be the same?
Compare the location of the metacenter with the center of gravity to evaluate stability.
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