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The shaft of a gearbox is coupled through a No. 60 chain drive, rotating a concrete mixer at 180 rpm clockwise. The drive sprocket has 19 teeth and the sprocket on the mixer has 84 teeth. Determine the speed of the drive sprocket, the chain speed, and the recommended lubrication method.
one structure is made from a si3n4 plate which has a plane strain fracture toughness of 3.6 and is alternatively loaded
compute the overall thermal resistance of a wall made up of 100 mm brick 1920 kgm3 and 200 mm normal weight concrete
Average pressure at end of stroke? Upsetting force required at the end of the stroke? If friction is neglected, what is the amount of upsetting force?
a packed bed is composed of crushed rock with a density of 175 lbmft3nbspof such anbspsize and shape that the average
i want a unique version of this
A 10 kW electric heater is used to heat 2 kg of air contained in an insulated rigid tank from 400 kPa and 50 °C to 200 °C. The ambient air temperature and pressure is 20 °C and 100 kPa, respectively.
a long aluminum bar has a diameter of 11 cm and is initially uniform in temperature at 300 c. if it suddenly exposed to
Steam enters the turbine of a simple vapor power plant with a pressure of 160 bar and a temp of 560 C and expands adiabatically to 0.08 bar
Calculate the e?ciency of the furnace if the speci?c heat capacity of the water is cp = 4.2kJ/(kgK) and the zero level of enthalpy is at 0?C! (η = 79.6%)
a satellite is in a circular orbit 250 mi above the surface of the earth. determine the new perigee and apogee
Determine heat flow, Heat flow through a uniform wall will: a) increase as the thermal resistance increases b) increase as the thickness of the wall increases
a large stationary brayton cycle gas-turbine power plant delivers a power output of 100000 hp to an electric generator.
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