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At which point in the pipe shown in the figure above is the internal pressure of...
SKMM 2423 QUESTION 4 a) Cold water flows through a metal pipe, which is not insulated The pipe is loc ated in am ambient air, which is at a higher temperature and humidity, What do you think would be observed on the surface of the pipe? Describe briefly the reason for this 5 marks) b) A sling psychrometer shows a dry bulb and wet bulb temperature readings of 25°C and 20°C, respectively. The atmospheric pressure is 101 325 kPa. Using...
9:484 Back Specific Heat Chpt3.docx Heat Capacity 1) How many Joules of energy are required to raise 15g of aluminum from 30 C to 100°C? Given the heat capacity of Aluminum is 0.903 Jig C 2) If 6093 cal of energy is added to some pure substance. If the temperature went from 10°C to 50°C, how many grams of the substance was present. Given the of the substance is 2.45cal/g C 3) If 4x10* J of energy is added to...
The water moves through a pipe in an ideal flow, as the figure shows. At the lowest point of the pipe the pressure is P1 = 1.76 x 104 Pa and the diameter of the pipe is 4.00 cm. At the other point of the pipe, which is at a height of 0.280 m, the pressure is P2 = 1.30 x 104 Pa and the diameter of the pipe is 2.00 cm. Find the speed of the water flow (a)...
PartA The pipe system shown in (Figure 1) consists of a 3-in.-diameter, 100-ft-long galvanized iron pipe, a fully opened gate valve, four elbows, a flush entrance, and a pump with the pump head curve shown in (Figure 2). The friction factor is 0.022 Estimate the flow Express your answer using two significant figures gal/min Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining ▼ Part B Estimate the corresponding pump head generated by the pump Express your...
6) (1 Opts) The pipe shown in the figure transports air at a temperature of 20 degrees C having an absolute pressure of 30kPa and a speed of 550m/s measured just behind a standing shock wave. Determine the temperatur pressure, and speed of the air just in front of the shock e, wave. 550 m/s V Вас P130 kPa 1 20°C
6) (1 Opts) The pipe shown in the figure transports air at a temperature of 20 degrees C having...
Based on the figure above, the boiling point of diethyl ether
under an external pressure of 0.590 atm is ________°C.
a 20
b 0
c 60
d 30
34.6°C 78.3 °C 100 °C 800 760 Normal boiling point 600 Vapor pressure (tor) Diethyl ether Water 400 Ethyl alcohol (ethanol) 200 Ethylene glycol 0 0 20 80 100 40 60 Temperature (°C)
8. Use the data in the Introduction calculate the total amount of heat in kcal required to turn 100 g of ice at -20°C to steam at 120°C? liq gas equilibrium (heat goes into phase change) Steam - Water and steam allas (heat goes into temperature change) Temperature (°C) all liquid (heat goes into temperature change) -Water Ice and water all solid Nice solid/liq equilibrium (heat goes into phase change) - Time Heat On the 5 sections of the graph...
1) Water is flowing through the 50-mm galvanized-iron pipe system shown in the figure. The average velocity in the pipe is V=3.5 m/s. Assume the temperature is 20°C. a) What is friction loss between Points A and B? b) What is the pressure at Point A, if Point B is a free jet? Use the Moody Diagram to solve. 50 mm 2) For the same conditions in Problem #1, use the "Fully-Rough" equation to determine the friction factor, f. Compare...
1) Explain the meaning of absolute zero on the Kelvin scale: a. is the freezing point of water b. gas molecules quit moving at this temperature c. is a practical limit, theory allows lower d. heat can flow from an object at this temperature 2) What characteristic of water makes it ideal as a practical engine coolant? a. highest specific heat b. lowest specific heat c, highest boiling point d. lowest freezing point 3) A piston has an area of...
3. The water flow in the concrete pipe looping system shown in the figure below is 15 ft/s. Compute the head loss from point A to point G. Temp of water -20° C. 1500 ft, 18-in diameter B A- 2500 ft, 30-in diameter Q= 15 ft/sec 2000 ft, 15-in diameter Q = 15 ft/sec - G 1000 ft, 12-in diameter C 2000 ft, 15-in diameter