Water is being heated in a vertical piston-cylinder device. The piston has a mass of 40 kg and a cross-sectional area of 150 cm2. If the local atmospheric pressure is 100 kPa, determine the temperature at which the water starts beiling
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- Consider a tank with surface area A.(m2) It containsa fluid of M(kg) at an initial temperature of T0. (C) The specific heat of the fluid is Cp. (J/kg) The fluid inside the tank is heated with condensing vapour outside at temperature of Ts. find the equation that gives the change of the temperature of the fluid in the tank with time.T=f(t) neglect donduction heat transfer h=heat transfer film coef. homogenous T through the tankThe pressure on the suction side of pumps is typically low, and the surfaces on that side of the pump are susceptible to cavitation, especially at high fluid temperatures. If the minimum pressure on the suction side of a water pump is 0.51 psia absolute, determine the maximum water temperature to avoid the danger of cavitation. Find the maximum water temperature to avoid the danger of cavitation (in ºF).2.0 Air is cumpressed in a diesel engine from an initial pressire of 13 psia und a temperature of 120 "Fts one - twelfh of its origmal volume. Caleulate the tinal semperature assuming the compression to be adiabatic. Answer 1107 °F
- The densiaies of two ligeids A and 1B are gileen as lo00trg/m² and 6ookg/ms respectivrely.Ih tevo liquids. are mixed ma certain propertion cend the denSity op the resulting liquid is 85olig/m3. Holo much of liquidn (in graims) does rg ef the mixture cantain! Asqume the llelum e of the two lifuids is additivee when mixed.How does the pressure vary at depth (Z) in liquid and gaseous fluids, and explain the reasons why there are differences.The critical temperature of gas TOS is -46 deg Celsius. If the value of its Van der Waals constant b is 2.1 x 10 -5 m3/n, find the value of its VDW constant a in Pa-m6/n2
- Identify the state of the fluid: Water at 19.94kPa, with a temperature of 60°Ccenical body is made to rotate d a constent visesity A A film of oil having of oro02 NS/m² seperates the cone from the container. What to rque is required to maintain this motion. The cone has a eol m tall. s peed of to rad/s a The fi lm thickness is 0:25 mm ra dius at the base and is P10 rad/s 025 filmA 2.5-m-tall steel cylinder has a cross-sectional area of 1.5 m2. At the bottom, with a height of 0.5 m, is liquid water, on top of which is a 1-m high layer of gasoline, relative density of 0.8. The gasoline surface is exposed to atmospheric air at 101 kPa. What is the gage pressure at the liquid interface? what is the answer? a.0.077 atm b.15.839 psi c. 1.139 mmHg d.108.848 kPa