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A shaft consisting of a steel tube of 50 mm outer diameter needs to transmit 100 kW of power while rotating at a frequency of 20 Hz. Determine the tube thickness which should be used if the shearing stress can't exceed 60 MPa.
consider a carnot power cycle running with 2 kg of water as an operating fluid. during the isothermal expansion the
a stainless steel tube of 1 cm outer diameter and 1mm wall thickness receives a uniform radiative heat flux of 100 wcm2
a piston-cylinder device initially contains steam at 200 kpa and 200c. a linear spring is touching the piston but
discuss the effects of grinding and turning on the endurance limit of steel. what is the reason of change in fatigue
assume the depth of water in the pvc pipe that you are using for the fish tank reservoir is two inches. a. compute the
sludge is wet solids that result from the processing in municipal sewage systems. the sludge has to be dried before it
If the final pressure is 1.0 MPa, determine (a) the temperature (°C) at the final state and (b) the heat transfer (kJ) during this process.
two barges each with a displacement mass of 550 mg are loosely moored in calm water. a stunt driver starts his 1650-kg
the steady state temperature distribution in a one-dimensional wall of thermal con- ductivity 50 wmk and thickness 50
A compressor operating adiabatically is to compress 2.83 m^3/min of air at 29.4C and 102.7 kN/m^2 to 311.6kN/m^2. Calculate the power required if the efficiency of the compressor is 75%. Also, calculate the outlet temperature.
what is the velocity of the cart when the bullet becomes embedded int he terget? during the firing, the man remains at the same position on the cart. neglect rolling resistance of the cart.
calculate the work necessary to compress air in an insulated cylinder from a volume of 6 ft3 to a volume of 1.2 ft3.
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