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State mathematically Newtona's law of viscosity. Water moves over a flat surface. At a point on the surface the velocity gradient is 60 s-1. The viscosity of water is 0.0012 Ns/m2. Calculate the wall shear stress.
a 2-kg block of ice with an initial temperature of -20f is dropped into an insulated tank containing 10-kg of liquid
an air-standard otto cycle has a compression ratio of 7.5. at the beginning of compression p1 85 kpa and t1 305 k.
what are the commpressive stresses induced by thermal expansion in a cs pipe lined with a zirconium tube that is
Gear A rotates with an angular velocity of 100 rpm clockwise. Knowing that the angular velocity of arm AB is 50 rpm counterclockwise, determine the corresponding angular velocity of gear B.
It is proposed to use water instead of refrigerant-134a as the working fluid in air- conditioning applications where the minimum temperature never falls below the freezing point. Would you support this proposal? Explain.
Determine (a) the velocity of the air at the duct inlet and (b) the temperature of the air at the exit.
an ocean thermal energy conversion power plant generate 300 kw. determine the gpm of cold seawater to be pumped from
steam at 1.6mpa and 400 degrees c is contained in a rigid box. the system is then cooled to 200 degrees c. compare the
Discuss some of the problems that might be encountered when implementing OSHA's machine guarding standards in the workplace. Do you feel that the standards are adequate to control machine guarding hazards in general industry?
pump a can empty a tank in four hours while pump b takes only three hours to empty the tank. how long will it take to
Determine the mass flow rate of the air passing through this engine and the rates of heat addition and rejection when this engine produces 1000 hp. Assume constant specific heats at room temperature.
the steel shaft gst 10.8times103 ksi is made from two segments ac has a diameter of 0.5 in l5in and cdb has a diameter
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