In a food processing (drying) application, air ( ρ = 1.10 kg⁄m3 , V = 3 m⁄min ) enters a chamber through a duct with dimensions of 500 mm × 450 mm and leaves (ρ = 1.10 kg⁄m3 ) through a ductwork with dimensions of 400 mm × 450 mm. What is the average air speed in the exit duct? Express your answer in m/s.

In a food processing (drying) application, air ( ρ = 1.10 kg⁄m3 , V = 3 m⁄min ) enters a chamber through a duct with dimensions of 500 mm × 450 mm and leaves (ρ = 1.10 kg⁄m3 ) through a ductwork with dimensions of 400 mm × 450 mm. What is the average air speed in the exit duct? Express your answer in m/s.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter9: Mass And Mass-related Variables In Engineering

Section: Chapter Questions

Problem 46P

See similar textbooks

Similar questions

Using the information given in Table 10.4, determine the ratio of local pressure and density to sea-level values. Estimate the value of air density at the cruising altitude of most commercial airliners. Altitude (m) sealevel PPsealevel 0 (sea level) 1000 3000 5000 8000 10,000 12,000 14,000 15,000
SAE 30 oil is contained in a cylinder with inside diameter of 1 in. and length of 1 ft. What is the pressure required to decrease the volume of the oil by 2%?
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.
Water flows through a pipe 25 mm in diameter at a velocity of 6 m/s. Determine whether the flow will be laminar or turbulent assuming that the dynamic viscosity of water is taken as1.30 × 10−3 kg/ms and its mass density as 1000 kg/m3. If oil of specific gravity 0.9 and dynamic viscosity 9.6 × 10−2 kg/ms is pumped through the same pipe, what type of flow will occur?
Calculate the mass flow rate of air in g/min.
A rectangular duct with dimensions of 1 m × 110 cm delivers conditioned air with a density of 1.2 kg⁄m3 to a room at a rate of 45 m3 /min. What is the mass-flow rate of air? What is the average air speed in the duct?
Calculate the capillary effect in millimeters in a glass tube of 4mm diameter, when immersed in Water Mercury the temperature of the liquid is 200C in contact with air are 0.073575 N/m and 0.51 N/m respectively. The angle of contact for water is zero and that for mercury is 1300. Take density of water at 200C as equal to 998 kg/m3. Explain the ways of describing the fluid motion
A barometer is used to measure the height of a building by recording reading at the bottom and at the top of the building. The height of the building is to be determined in (m) . The density of air is given to be as 1.18 kg/m3. The density of mercury is 13,600 kg/m3. Atmospheric pressures at the top and at the bottom of the building are p1= 73 cm and p2 = 75.395 cm , respectively
Q1(c) Water flows horizontally through a nozzle into the atmosphere under certain conditions, as shown in Figure Q1(c). Calculate: (i) Volume flow rate of water flowing through the nozzle in m3/s and L/s, respectively. (ii) Mass flow rate of water. (iii) Exit velocity at the outlet of the nozzle.
A student with a mass of 80.0 kg runs up three flights of stairs in 12.0 sec. The student haa gone a vertical distance of 8.0m. Determine the amount of work done by the student to elevate his body to this height. Assume that his speed is constant.
) Consider a double - fluid manometer attached to an air pipe shown in Figure. If the specific gravity of one fluid is 13.55, determine the specific gravity of the other fluid for the indicated absolute pressure of air. Take the atmospheric pressure to be 100 kPa. (