A building has a total heating load f 200,000 Btu/hr. The sensible heat factor for the space is 0.8. The space is to be maintained at 72°F and 40% RH. Outdoor air at 40°F, 20% RH in the amount of 1000 CFM is required. Air is supplied to the space at 100°F. Find a) the conditions and amount of air supplied to the space b) the amount of water at 50°F required by the humidifier section c) the capacity of the heating equipment needed d) the temperature rise of the air through the heating unit.

Q: Solution (1) Fill in the State Table (all pressures in Pascals, all volumes in cubic meters, all…

A:

Q: Problem 18 %. The overall efficiency of an electric system, coal pile to lights a lamp is What…

A:

Q: 7. A fire tube boiler develops 75,000 kilograms of steam at a pressure of 12,500 kpa and a…

A: Given:Mass of steam, m=75000 kgPressure of steam, P=12500 kPaTemperature of steam after heating,…

Q: hat is N and D in this figure please need explanation as soon as possible

A: Step 1: The above notation N &D belongs to the ball valve or circle vale.

Q: Calculate the work done by a system in which 1 kgmole of water completely evaporates at 100°C and 1…

A: Givenwater mass =1 kg mole of waterT=100oCP=1atm=101.325 kPa

Q: COP pump QL 4. A house will be heated to 850F. The source of heat is a heat pump which uses a 500F…

A:

Q: A 1-ton HVAC unit will remove up to 12,000 Btu/h. What size unit is neededfor a house with a heat…

A: Given1 ton HVAC unit will remove heat Q1= 12000Btu/hHouse with heat load  Q2=28576Btu/h

Q: A process is considered quasi-static, if it took place; Select one: O a. Very fast O b. At a…

A: According to the question  we need to find A process is considered quasi-static, if it took place

Q: The specific heat capacity value is generally high for _________ a. polymers b. ferrous metals c.…

A:

Q: Draw and describe the pyhsical construction, internal energy developed as well as the application of…

A: Given Instrument To find Physical construction Internal energy Application

Q: 29. Steam at 1.4 MPa, 300 deg C expand isentropically until it bevomes saturated. Determine a)delta…

A: As per our company guidelines we are supposed to answer only first 3 sub parts in case of multiple…

Q: tell whether the if work is done by the system (-), work is done on the system (+), or no work done.…

A: Work done on the system – when the work is done by the surroundings on the system, then it is known…

Q: b. Compute the lost head in feet of water for 2000 gpm of chilled water flowing through 1000 ft of…

A: In the feet of water for 2000 GPM of chilled water flowing through 1000 ft  diameter 8" scheduled 40…

Q: 1- what's is the main benefit for the cooling tower packages . 2- compare the value of heat that…

A: Hi and thanks for the question. Since you have asked multiple questions, we will solve the first…

Q: Aang and Katara was enjoying an afternoon snack in an igloo resort where the room temperature is…

A:

Q: The ocean thermal energy conversion (OTEC) is uses Select one: O a. Kinetic difference O b.…

A: The  ocean thermal energy conversion (OTEC) is uses.....

Q: What is the resulting pressure when one pound of air at 15 psia and 200oF is heated at constant…

A:

Q: 1 MT/h CH4 (liq) is heated to 44.85 deg C from 31.85 deg C, 400 kPa. What is the duty of the heater…

A:

Q: A refrigeration system is designed to cool 10,000 lb per hour of water from 60 deg F to 40 deg F .…

A: Given DataT1=60F=15.55°CT2=40F=4.44°CCP=4.18m˙=10000 lb/hr=1.26kg/s

Q: 1. What are the types of boiler in terms of: a) axis of boiler, b) fire, c) pressure of boiler, d)…

A: A boiler is a closed vessel or apparatus that is designed to generate steam or heat a fluid,…

Q: 3 4 6. 760°C 758°C Block insulation 727°C |Outside air Hot gasep 68.42°C 26.5°C 68.5°C 6.35cm 12.7cm…

A: Let K =Thermal conductivity of fire brick =1.13W/mK h =Heat transfer coefficient for the outside…

Q: Qin > Qout in (mark all that apply):

A:

Q: A building has a heating load of 630,000 BTU/hr. A hydronic heating system is used, supplying 40 GPM…

A:

Q: An auditorium seating 1600 people is to be maintained at 80°F dry bulb and 65°F wet bulb temperature…

A: Given:- Number of People: 1600 Inside Dry bulb temp. : 80 F Inside Wet bulb temp. : 65 F

Q: 2. In an air conditioning system, if the recirculated air is three times the outside air and the…

A: Given : mass of supply air. ms = 20 kg/s mass of recirculating air = 3 * mass of the outside air To…

Q: a) Growth the frost over evaporator surface lead to decrease freezer temperature. b) Using copper…

A: dut to company policy I have done only 1st part If you won't answer other parts please resend.

Q: A conference hall is to be i at 24 C dry bulb and 60 %RH. The estimated cooling loads are 75 tons…

A: Given:Inside hall air condition,=24oC dry bulb and 60% RHSensible load, QS=75 tons=75*3.52=264 kW…

Q: Liquid ammonia at a temperature of 26 OC is available at the expansion valve . The temperature of…

A: Answer: (a) The percentage of liquid vaporized is 9.0185%. (b) The internal energy entering the…

Q: HVAC UPVOTE WILL BE GIVEN. ANSWERS ARE GIVEN ALREADY. PLEASE WRITE THE COMPLETE SOLUTIONS. A room…

A: Givenmoist air dry bulb temperature of 25°Cwet bulb tempe rature of 21°C

Q: A 73 W freezer has an EER of 10.0. How much heat is exhausted to the room in 2.9 hours?

A: Given:- EER=10 Pi=73W t=2.9 hrs To find; Heat exhausted, Qout

Q: Q3: What are the priority operations for minimization and recycling of waste

A: Basically Waste is unwanted or which unusable and which provides harm to the environment. So it is…

Q: In a solar pond, high temperature at the bottom is achieved because of Select one: a. Low salt…

A: In a solar pond, high temperature at the bottom is achieved because of Select one: a. Low salt…

Q: 1- what's is the main benefit for the cooling tower Packages

A: The cooling tower packages, located between the water distribution level and the cooling water sump,…

Q: a. Explain the principle of operation of geothermal heat pump depicted in the Figure b Geothermal…

A: OPERATION OF GEOTHERMAL HEAT PUMP Geothermal heat pump is also known as ground source heat pump.It…

Q: How much heat in Btu must be transferred to 42lb of air to increase the temperature by 250 0F at…

A: Given:-  Mass (m) = 42 lb Temperature change (∆T) = 250 °F Process : Constant Pressure Process For…

Q: In an air-conditioning unit 3.5 m3/s air at 27°C dry-bulb temperature, 21°C wet-bulb temperature,…

A:

Q: A gas expands and change in volume is 0.25 m at constant pressure 10 N/m, the work done is Select…

A:

Q: |Qout| > |Wcycle| in (mark all that apply): a) Refrigeration cycle b) Power cycle c) Heat pump cycle

A: |Qout| > |Wcycle| in (mark all that apply): a) Refrigeration cycle b) Power cycle c) Heat pump…

Q: If you have a 16'x 24' restroom with a ceiling height of 9 and an exhaust requirement of 12 air…

A:

Q: A room’s sensible space load is from occupants and infiltration, but excluding intentional…

A: Given data: Ventilation(Qv)=3.2 kWQ=600 L/s Need to determine the room sensible heat ratio.

Q: duty of the heater in kW?

A: To find Duty of heater