Question: Air whose density is 0.078 lbm/ft3 enters the duct of an air-conditioning system at a volume flow rate of 450 ft3/min. If the diameter of

Air whose density is 0.078 lbm/ft3 enters the duct of an air-conditioning system at a volume flow rate of 450 ft3/min. If the diameter of the duct is 10 in, determine the velocity of the air at the duct inlet and the mass flow rate of air.

Step by Step Solution

★★★★★

3.31 Rating (175 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The ducts of an airconditioning system pass through an open area The inlet velocity and the ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

E-ME-T (1585).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

Air enters the duct of an air-conditioning system at 15 psia and 50F at a volume flow rate of 450 ft3/min. The diameter of the duct is 10 in, and heat is transferred to the air in the duct from the...

A 2-m3 rigid tank initially contains air whose density is 1.18 kg/m3. The tank is connected to a high-pressure supply line through a valve. The valve is opened, and air is allowed to enter the tank...

Air whose density is 0.082 lbm/ft 3 enters the duct of an air-conditioning system at a volume flow rate of 450 ft 3 /min. If the diameter of the duct is 16 in, determine the velocity of the air at...

Engineering thermodynamic Please need the solution for this 2 question. Thnkyou QUESTION 6 (10 Marks) Steam enters a nozzle with a low velocity at 150C and 200 kPa, and leaves as a saturated vapour...

Air enters the duct of an air - conditioning system at 1 5 psia and 5 0 F at a volume flow rate of 4 5 0 f t 3 m i n . The diameter of the duct is 1 0 in , and heat is transferred to the air in the...

ANSWER ALL QUESTIONS. BE SURE TO ANSWER 2 -1 C What is the difference between the macroscopic and microscopic forms of energy? 2-2C What is total energy? Identify the different forms of energy that...

5-43C Consider an adiabatic turbine operating steadily. Does the work output of the turbine have to be equal to the decrease in the energy of the steam flowing through it? 5-44C Consider an air...

ANSWER ALL QUESTIONS. WILL GIVE A GOOD RATING FOR A CORRECT ANSWERS ONLY 2-35E A spring whose spring constant is 200 lbf/in has an initial force of 100 lbf acting on it. Determine the work, in Btu,...

Dropping Anchor an iron ancl30r with mass 35.0 kg and density 7860 kg/m' lies on the deck of a small barge that has vertical sides and floats in a freshwater river. 1be area of the bottom of the...

The average credit card debt for college seniors is $3262. If the debt is normally distributed with a standard deviation of $1100, find these probabilities. a. That the senior owes at least $1000 b....

A percentage of a borrowed sum of money that must be paid in addition to the repayment of the loanitself Interest Sowings Loan Expenses

You just inherited some money, $100,000 to be exact. Your great-great grandma willed this money to you, less than one condition - in her lifetime she was a very successful entrepreneur - that you may...

Upon completion of the closing entries, you reviewed the general ledger and noticed that balances remained in all asset, liability, and equity accounts. In addition, there were still balances in the...

Perfect Fit Company sells hand-sewn shirts for $40 per shirt. It incurs monthly fixed costs of $5,000. The contribution margin ratio is calculated to be 20%. What is the breakeven point in units? A)...

The Smythe firm expects a total cash need of $9,000 over the next 4 months. They have a beginning cash balance of $1,000, and cash is replenished when it hits zero. The fixed cost of selling...

Wolf Co. estimates that its employees will work 500,000 direct labor hours during the coming year. Total overhead costs are estimated to be $9,600,000 and direct labor costs are estimated to be...

Determine which of the following represent potential energy and which represent kinetic energy. (a). Thermal energy (b). Gravitational energy (c). Chemical energy (d). Electrostatic energy

Consider a 1.73-m-tall man standing vertically in water and completely submerged in a pool. Determine the difference between the pressures acting at the head and at the toes of this man, in kPa.

The maximum blood pressure in the upper arm of a healthy person is about 120 mmHg. If a vertical tube open to the atmosphere is connected to the vein in the arm of the person, determine how high the...

A mercury manometer ( = 13,600 kg/m 3 ) is connected to an air duct to measure the pressure inside. The difference in the manometer levels is 10 mm, and the atmospheric pressure is 100 kPa. (a)...

Greta, an elderly investor, has a degree of risk aversion of A = 4 when applied to return on wealth over a one-year horizon. She is pondering two portfolios, the S&P 500 and a hedge fund, as well as...

normal distribution is observed from the number ofrentals perweek for a certain car rental company. If the mean is 15rentals and the standard deviation is 3 rentals, what is the probability that on a...

Item 1: For Entity A, classify each transaction as either an operating activity "OA", an\ investing activity "IA," or a financing activity "FA," or a noncash investing and financing\ activity "NC."\...