Engineering, 22.10.2019 23:00 villafana36
In using a temperature probe, the following uncertainties were determined: hysteresis +/- 0.20° c linearization error +/- 0.3% of the reading repeatability +/- 0.05° c resolution error +/- 0.05° c zero offset +/- 0.5° c a) 0.057° c b) 0.696° c c) 0.541° c d) 0.071° c e) 0.819° c f) 0.692° c calculate the total bias error for a reading of 145° c. assume that the random errors have been determined with samples> 30. choose the most correct answer ( select the most correct from a through f ) calculate the total precision error for a reading of 145° c. assume that the random errors have been determined with samples> 30. choose the most correct answer ( select the most correct from a through f ) calculate the total uncertainty due to these effects for a reading of 145° c. assume that the random errors have been determined with samples> 30. choose the most correct answer ( select the most correct from a through f )
Answers: 1
Engineering, 04.07.2019 18:10
For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater
Answers: 3
Engineering, 04.07.2019 18:10
An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature
Answers: 2
Engineering, 04.07.2019 18:10
Atmospheric air has a temperature (dry bulb) of 80° f and a wet bulb temperature of 60° f when the barometric pressure is 14.696 psia. determine the specific humidity, grains/lb dry air. a. 11.4 c. 55.8 d. 22.5 b. 44.1
Answers: 1
Engineering, 04.07.2019 18:20
Find the kinematic pressure of 160kpa. for air, r-287 j/ kg k. and hair al viscosity of air at a temperature of 50°c and an absolute (10 points) (b) find the dynamic viscosity of air at 110 °c. sutherland constant for air is 111k
Answers: 3
In using a temperature probe, the following uncertainties were determined: hysteresis +/- 0.20° c l...
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