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AAn 8-inch pitch diameter steel gear, 3 inches thick (face width), is pressed onto a 2 inch diameter steel shaft(E=30,000,000 psi and v =.3). The coefficient of friction of steel on steel is.12. For press fit calculations the effective outside diameter of a gear is its pitch diameter. The gear is to transmit 90 HP at 300 RPM. What does the inside diameter of the gear need to be if the entire torque is to be carried by the press fit?
The diameter of the tube is 13 cm and its length is 60 m. Determine the overall heat transfer coefficient of this heat exchanger using (a) LMTD and (b) -NTU method.
What happens to the cutting and thrust force as tool rake angle and cutting speed are increased and what is the relation between the cutting and thrust forces to the depth of cut?
superheated steam can be cooled by injecting liquid water into it and this process is termed desuperheating. a flow of
a 10 kg slab of cr-v steel at 900 c is to be quenched by immersing in a vessel of water. assume the slab exhibits a
determine the average applied force exerted on to the pile hammer. Note because the force is applied over a short time period it can be considered as an impulse force.
a 13.2 kg axial load is uniformly carried by an aluminum pipe with an outside diameter of 10.0000 cm and an inside
A project that will cost $750,000 will require payments as certain milestones are met. The initial payment is $50,000. When 30% of the work is complete an additional payment of $200,000 is due. When 70% of the work is complete another payment of $..
steam at 10 mpa and 450 degrees c enters an adiabatic turbine at 80 ms and exits at 10 kpa 92 quality and 50 ms. the
water vapor at 6 mpa 600degc enters a turbine operating at steady state and expands to 10 kpa. the mass flow rate is 2
an insulated piston-cylinder device contains 5 l of saturated liquid water at a constant pressure of 150 kpa. an
silicon carbide sic has a specific gravity of 3.1 gcm3. a sintered sic part is produced occupying a volume of 500 cm3
consider an air-water heat exchanger. air flowing steadily at the rate of 0.5 kgs enters the heat exchanger at 100 kpa
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