What is the velocity of the air flowing in the duct
Air at 35°C, 105 kPa, flows in a 100 mm × 150 mm rectangular duct in a heating system. The volumetric flow rate is 0.015 m3/s. What is the velocity of the air flowing in the duct and what is the mass flow rate?
Expected delivery within 24 Hours
The Fox TV network is considering replacing one of itsprime-timecrime investigation shows with a new family-orientedcomedy show.Before a final decision is made, network executives commission a sample of 430 viewers. After viewing the comedy, 210in
Steam at 500 kPa, 300C is used to heat cold water at 15C to 75C for domestic hot water supply. How much steam per kg liquid water is needed if the steam should not condense?
A cylinder has 0.1 kg air at 25oC, 200 kPa with a 5 kg piston on top. A valve at the bottom is opened to let the air out and the piston drops 0.25 m towards the bottom.
Assume that the Mercury 50 operates on an ideal Brayton cycle (no regeneration), and that the working fluid is air with variable specific heat, determine i) the thermal efficiency, ii) power output.
Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the Social Security system. The president wants the estimate to be within 0.038 of the true proportion.
It is initially at a uniform temperature of 25 °C and is suddenly immersed in a liquid at 150 °C with h = 120 W/m2-°C. Calculate the time necessary for the rod to cool to 120 °C.
Nitrogen gas in an expandable container is cooled from 50.0°C to 10.0°C with the pressure held constant at 3.00 x 105 Pa. The total heat liberated by the gas is 2.50 x 104 J. Assume that the gas may be treated as ideal. For N2 , CV = 20.76 J/
A 3-in. diameter rod of copper is to be reduced to a 2-in. diameter rod by being pushed through an opening. The modulus of elasticity for the copper is 17 x 106 psi and the yield strength is 40,000 psi.
1930225
Questions Asked
3,689
Active Tutors
1430689
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Sue is feeling nervous and her heart is racing. What is causing this?
When Ben spotted a menacing figure in a doorway when walking home late at night, Ben's resulting physiological arousal was an example of:
Question: Which of the following is a mode of action employed by microbial control agents?
What would the brain be like if neurones weren't post-mitotic? Consider what areas of brain function might be impacted and how.
Please calculate the expected size of the PCR product from the region with a successful knock-in. Give your answer in base pairs
Question: Mendel used which type of organism to conduct his genetics research?
In a laboratory investigation, a student is studying the role of pepsin in animal digestion. Pepsin helps break down proteins into simple molecules.