A rectangular duct with dimensions of 12 in. × 14 in. delivers conditioned air with a density of 1.2 kg/m3 to a room at a rate of 1000 ft3/min. What is the mass-flow rate of air in lbm/h? What is the average air speed in the duct? Express your answer in m/s and ft/s.

Q: ! Required information A garden hose attached with a nozzle is used to fill a 20-gal bucket. The…

A: Volume of water (V) = 20 gal Inner diameter of the hose (d1) = 1in. Inner diameter at nozzle exist…

Q: Required information A garden hose attached with a nozzle is used to fill a 20-gal bucket. The inner…

A: The volume needed to fill a bucket = 20-gal The inner diameter of the hose = 1 in  The reduced…

Q: Water flows from the ground floor to the third floor in a 4-storey building through a pipe 50 mm in…

A: Pipe diameter, d1 = 50 mm or 0.05 m  Flow rate, Q = 2 L/s or 0.002 m3/s Tap diameter, d2 = 15 mm or…

Q: Two barometers are set up at the top and bottom of a building. If the barometric readings at the top…

A: Pressure difference = ρ×g×h Pressure due to difference in mercury readings =…

Q: . Estimate the time required for the person to donate one pint of blood. A

A: The diameter of the pipe = (1/8) inThe length of the pipe = 4 ft.Average blood pressure in the vain=…

Q: An air-conditioning system is shown in the figure below in which air flows over tubes carrying…

A: Step 1:Step 2:Step 3:Step 4:

Q: Air enters a junction in a duct with a volume flow rate of 2000 ft3/min. Two square duct branches,…

A:

Q: A 3.5-m³ rigid tank initially contains air whose density is 2 kg/m³. The tank is connected to a…

A: The formula to find the mass  m  of a substance is:[ m = ρ . V ]where  ρ  is the density and  V  is…

Q: Determine the mass flow of air in the duct if it has a velocity of 27 ft/s. The air has a…

A: Velocity of air, v = 27 ft/s Temperature, T = 70°F = 294.261K Gage pressure, Pgage = 6 psi…

Q: Determine the flow rate

A: Discharge or flow rate,Q = Volume/Time or  Q= Area X Velocity

Q: A siphon is set up to remove gasoline from a tank as illustrated in the following Figure…

A: Given Data: The inside diameter of the flexible tube is, d=14 in   To Determine: The exit velocity…

Q: Air is moving down an 8-inch round duct at a rate of 500 feet per minute. Howmuch air flows out of…

A: Diameter of the duct = d = 8inch   Velocity of the duct = v = 500 ft/m

Q: In a food processing (drying) application, air ( ρ = 1.10 kg⁄m3 , V = 3 m⁄min ) enters a chamber…

A: Given: Dimensions of duct = 500 mm x 450 mm Velocity at entrance = 3 m/min Dimensions of ductwork =…

Q: A room has a width of 14.1 feet, a length of 14.8 feet, and a ceiling height of 14 ft.  The average…

A: Width B =14.1 ft length L =14.8 ft Height H =14ft Flow rate=3.7m3 /s