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A thin-walled pipe of D = 20 mm internal diameter is subjected to a constant heat flow on the surface of strength q'=400 W / m. Water flows through the pipe at a rate m. = 0.1 kg/s. The entry bulk temperature is Tm,i = 20 degree C. Find the required length of the pipe if the bulk outlet temperature Tm,o = 40 degree C. Find the pipe wall temperature at the exit.
question 1 give examples from your own experience of situations where friction is a desirable and b
a spring-mass is excited by a force f0sinomegat. at resonance the amplitude is measured to be 0.58 cm. at 0.80 resonant
Consider a model of a bone with a cemented prosthesis, where the outside radius of the bone is ro, the radius of the medullary cavity is rm, and the radius of the prosthesis is rp.
Two tow trucks lift a 100 lb motorcycle out of a ravine following an accident. If the motorcycle is in equilibrium in the position shown, what are the tensions in cables AB and AC?
for a rankine cycle with reheat finda. the inlet pressure at the low pressure turbine if the inlet pressure at the high
consider the ocean thermal energy conversion system given in the lecture notes. also take into consideration that 30 of
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If the maximum shear stress is limited to one-half of its yield strength and the fillet radius is 0.3 in, what is the maximum torque that can be applied? What power could be transmitted by a similar shaft rotating at 400 rpm?
an insulated cylinder is initially filled with saturated r-134a vapor at a specified pressure. thenbsprefrigerant
a man of mass m1 walks along a plank of length l with a constant acceleration a relative to the plank. the mass of the
Kinetics of Particles : Newton's Second Law, Determine the maximum theoretical speed that may be achieved over a distance of 50 m by a car starting from rest
an insulated piston-cylinder device contains 2l of saturated liquid water at a pressure of 150kpa-which is constant
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