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For the oil in Problem 13.13, determine the kinematic viscosity at 80°C.
Problem 13.13
An oil has a viscosity of 30 mPa s at 10°C and a viscosity of 4 mPa s at 100°C. Specific gravity at 15.6°C is 0.870. Find the viscosity of this oil in mPa s at 80°C.
a 0.075 kg ice cube at 0 degree c is dropped into an insulated styrofoam cup holding 0.33 kg of water at 25.0 degree c.
A flat plate maintained at a temperature of 50 C experiences a flow of atmospheric air at 15 C. If the temperature gradient at the plate's surface at a given downstream location is -43 C/mm, what is the local heat transfer coefficient?
A 100 MW steam station uses coal of calorific value 6400 kcal/kg.- Calculate the coal consumption per hour when the station is delivering its full rated output.
The mass of refrigerant is 0.5 lb. During the process, heat transfer to the refrigerant from its surroundings is 1.2 Btu while the work done by the refrigerant is 4.32 Btu. Determine the final temperature of the refrigerant, in °F. Kinetic and pot..
a closed system consisting of 2lb of a gas undergoes a process during which the relation between pressure and volume is
a vortex tube has an air inlet flow at 20 degrees celsius 200 kpa and two exit flows of 100 kpa one at 0 degrees
solid particles having a size of 0.18 mm a sphericity shape factor of 0.91 and a density of 1090 kgm3 are to be
A flat plate is sliding at a constant velocity on a large horizontal table. A thin layer of oil (of absolute viscosity = 0.48 N-s/m2) separates the plate from the table by a thickness of 0.15 cm. For shear stress in the oil layer of 0.1 psi, what is ..
Determine the number of window air-conditioning units required
A four-stroke engine has a total displacement volume of 10L, 125mm bore and 16.3:1 compression ratio. The engine produces a maximum of 210 kW at 2100 RPM. The intake air is at 45 degrees C and 22.5 g/s of air flow into each cylinder. Calculate the vo..
At a certain instant, gyrosensors on an airplane report that it is heading 40 degrees west of north, climbing at an angle of 20 degrees, and that its wings are banked at an angle 10 degrees clockwise as looking forward (along the axis of the plane). ..
the inlet velocity pressure and temperature at the compressor for a turbo-jet engine are 275 feet per second 7 psia and
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