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Supply air for a building is heated from State 1 to State 2 by an electric heater. Given the conditions below determine the following -Given Values- Dry Bulb: T1 (F) 42 Relative Humidity: Phi1(%)-50% Mass flow rate of air: ma1 (lbah) 2094 Dry Bulb: T2 (F) 73 a) Determine the specific volume of the air (ftA3lba) at State 1. b) Determine the dew point temperature (F) for State 1 c) Determine the wet bulb temperature (F) for State 1. d) Determine the humidity ratio at State 1. e) Determine the specific enthalpy (Btu/lb) at State 1. f) Determine the specific enthalpy (Btu/lb) at State 2. g) Determine the electric power (kw) required for the heater h) Determine the electric current (amps) through the heater if the supply voltage is 220 v Your Answer 12.7 Your Answer 32 Your Answer = 353 Correct! Exact Answer 12.700.03 Incorrect Correctl Exact Answer- 35.3+-0.7 Correctl Exact Answer- o.0028+0.0004 Incorrect Incorrect. Your Answer 0.0028 Your Answer 13.7 Your Answer =367 Your Answer- Your Answer Your Score 37100 Submitted-: Sun, Aug 12, 2018, 19:48:22 Warning: Pressing submit will regrade and update your recorded score Submit Close


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specified al stale s, assume there on he mo chaว29e m.the sp.cific hu.d-ty ob -Creais. Thus the specific hmiclity ob aiy al stalc 2 calrulate the spctffic enpy at sate τ (0,210X73〉t(-o.coa A. Xlo98.7 !ㅋ.520 t (-0.43948) - 7.50-o u3qu8 -17.08052

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