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The system in Fig P1.65 is used to estimate the pressure p1 in the tank by measuring the 15-cm height of liquid in the 1-mm-diameter tube. The fluid is at 60°C. Calculate the true fluid height in the tube and the percent error due to capillarity if the fluid is
(a) Water; and
(b) Mercury.
iron undergoes a polymorphic transformation at 912degc. at a temperature just below 912degc it has a bcc structure a
The nominal breaking strength of the rope is 10,000 lbs. Calculate how much payload this assembly can allowably pick up. Show your work.
Determine the uniform tube wall surface temperature for these conditions. 0.050 kg/s. If a particular drying process requires approximately 1 kg/s of air at 75°C,
A 9º wedge is inserted using a force of 1000 lbs. The static coefficient of friction between the wedge and the log is 0.50. Determine the force required to pull the wedge out.
steam at 40degrees c condenses on the outside of a 6.40-m-long 3.7-cm-diameter thin horizontal copper tube by cooling
5.5 kg of superheated water vapor is at 200°C and 1.4 MPa. It is cooled at constant volume to 150°C. What is the enthalpy of the water in units of kJ? (Please note it is asking for the final enthalpy, as well as in units of KJ, not KJ/kg)
apply the first law of thermodynamica eq 1 to a finite volume element in a stationary solid. let rt be the temperature
If the cycle operates in steady flow with a power output of 20 kW, what is the steam flow rate?
An important concept in using CFD code to solve the Navier-Stokes equations is that the variables set that are solved for are the ones appearing in the time derivative terms. These are called conservative variables.
A 23 W compact fluorescent lamp (equivalent to a 100 W incandescent lamp) remains lit for 12 hr a day for a one-year period.
Evaluate the design of each set of three critical components against mechanical failure and determine their life as designed - Develop an overall dimensional diagram of the bike measuring all of its relevant dimensions.
Over time, dust accumulates on the refrigerator's con- denser coil, which is located behind the refrigerator, increasing the hot side resistance to Rh,d = 0.1 K/W. It is desired to have a refrigerator cooling rate of qin = 750 W. Using the results ..
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