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- Gas dynamicIf the mass flow rate can be expressed as , then the averaged velocity should be_______ A. perpendicular to A B. parallel to A C. the direction doesn’t matteTwo-phase pipe flow is the simultaneous flow of a gas (or vapor) and a liquid exhibiting ___________physical properties through the same pipe a. same b. fixed c. different d. constant
- Air is compressed in a compressor through the purely polytropic, purely isothermal, and intercooling as shown in the diagram between the same pressure limits. Select the process that is intercooling _____________ A. 1-X'-2' B. 1-X-X'-2 C. 1-X-2"The degree of hotness or coldness pertains to what terminology? Select one: a. heat b. Enthalpy c. Entropy d. TemperatureE 01 Image Word 1/1 Using PV & TS Diagrams derive the formulae of a. Temperature, Pressure & Volume c. Change of Enthalpy e. Change of Entropy g. Work steady-flow of the following processes; 1. Isopiestic, 2. Isochoric, 3. Isothermal, 4. Adiabatic, 5.General Polytropic b. Heat addedrejected d. Change of Internal Energy f. Work non-flow Tap to view in full-screen OCR Rotate Markup Extract Text Signature Note
- Air is compressed in a compressor through the purely polytropic, purely isothermal, and intercooling as shown in the diagram between the same pressure limits. Select the area that indicates the work saved for the intercooling process comparing to the purely polytropic one _____________ A. 1-X'-2'-P2-P1-1 B. X-X'-2-2"-X C. 1-X-X'-2-P2-P1-1 D. 1-X'-2"-P2-P1-1Pressure remains constant in Isothermal process Select one: True Falseheat transfer mark the correct statement
- Excessive or high temperature is considered to be any temperature which exceeds ________% of the autoignition temperature in degrees Celsius of the gas or vapor involved.An unknown ideal gas at 53 deg F and 3.3 in Hg (gauge) is flowing through an irregular duct. To determine the flow rate of the gas, carbon dioxide, from a modular carbon dioxide tank, is passed into the gas stream. The gas analyzes 1.2% CO2 before and 3.4% after addition. The tank is on a scale and found to lose 12 lb in 10 minutes; What is the flow rate of the ideal gas in ft^3/minute?1. If 1 gallon of oil = 1.4 therm, how many gallons have been wasted by heat loss in Feb? (1 therm = 100,000 BTU)_____________________________________________________________________________________2. If $1.30 per therm, how much did you waste from house heat loss in Feb?