Engineering, 05.10.2019 11:30 unknownyobutt21
The surface tension of water, a needed quantity in several of the following problems, is related to temperature according to the expression = 0.1232[1 − 0.00146 t], where is in n/m and t is in k. in the english system with given in ⁄ ft t in ℉, the surface tension may be calculated from = (8.44 × 10−3)[1 − 0.00082 t]. 1. water flowing at rate of 4000 kg/h through a 16.5-mm-id tube enters at 20℃. the tube outside diameter is 19mm. saturated atmospheric steam condenses on the outside of the tube. for a horizontal brass tube 2 m long, evaluate a) the convective coefficient on the water side. b) the convective coefficient on the condensate side. c) the exit water temperature. d) the condensation rate.
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Engineering, 04.07.2019 18:10
Apump is used to circulate hot water in a home heating system. water enters the well-insulated pump operating at steady state at a rate of 0.42 gal/min. the inlet pressure and temperature are 14.7 lbf/in.2, and 180°f, respectively; at the exit the pressure is 60 lbf/in.2 the pump requires 1/15 hp of power input. water can be modeled as an incompressible substance with constant density of 60.58 lb/ft3 and constant specific heat of 1 btu/lb or. neglecting kinetic and potential energy effects, determine the temperature change, in °r, as the water flows through the pump.
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Engineering, 04.07.2019 18:10
Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.
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Engineering, 04.07.2019 18:20
Modern high speed trains do not have perpendicular expansion gaps where rails are joined end-to-end any more they are mostly welded together but what might happen if there was a spell of particularly hot weather that causes inspection of the tracks?
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Engineering, 04.07.2019 19:10
What is the chief metrological difference between measuring with a microscope and with an electronic comparator? a. the microscope is limited to small workpieces.a. the microscope is limited to small workpieces. c. the comparator can only examine one point on the workpiece. d. the microscope carries its own standard.
Answers: 1
The surface tension of water, a needed quantity in several of the following problems, is related to...
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