Ethyl alcohol flows through a horizontal tube having a diameter of 25 mm. If the mean velocity is 0.18 m/s, what is the magnitude of the pressure drop per unit length along the tube (in Pa/m)?

What is the velocity at a distance of 5 mm from the tube axis (in m/s)?

In your own words explain how chain branching affects the amount of crystallinity of PE, the strength of PE, and the elongation of PE.

Determine the entrance conditions at the hub of an axial flow stator-rotor compressor. The mean-velocity diagram has a flow coefficient of 0.3 and work coefficient of 0.446. The exit flow is at axial direction. The hub diameter is 0.75 of the mean diameter. The axial flow velocity has a relationship

Delta Wing Aircraft Specifications

(do the necessary assumptions if needed)

Wing Area: 585 m²

Wing Span: 32 m

Taper ratio: 0.019

Leading Edge Sweep angle: 65.57°

Wing loading: 4070 N/m²

Cruise Mach Number: 3

Cruise altitude: 22.5 km

(L/D) _cruise = (L/D) _max = 9

Calculate the cruising angle of attack?

Write down the cruising drag polar equation?

Using the drag polar found in (b), calculate (C_L^1/2/C_D) _max and corresponding Mach number maximizing (C_L^1/2/C_D).

Calculate an overall heat loss coefficient for a plate at 50℃, facing up, when exposed to an ambient temperature of 10℃. The plate emittance is 0.88, the dew point is 3℃, and the wind heat transfer coefficient is 25 W/m2℃. Assume time is midnight

for the bourdon tube gauges , how to calibrate the pointer to zero ?

How do you find the specific volume of R-134A at P=700 kPa and T= 120 C? I know it is from the tables but I can't seem to figure out how to get the number: v = 0.43358 m^3/kg

all journal bearing has a shaft diameter=1.25in and suppports a load of 1200lbf. the bushing is 1.25-in long and has a bore diameter=1.25in. shfat speed=1500 rev/min. average film temperature=115.4^o​F and SAE grade 30 lubricant is used. average clearance =0.001125 in. Find

a) magnitud and location of min oil-film thickness

b) total lubricant volumetric flow rate

c) max oil-folm pressure and its angular location

d) power loss

A 5 MW gas turbine generating set operates with two compressor stages with intercooling between stages; the overall pressure ratio is 9/1. A high pressure (HP) turbine is used to drive the compressors. A low pressure (LP) turbine drives the generator (which generates the 5 MW). The temperature of the gases at the entry to the HP turbine is 650 °C and the gases are reheated to 650 °C after expansion in the first turbine (before entering the second turbine). The exhaust gases leaving the LP turbine are passed through a heat exchanger to heat the air leaving the HP stage compressor (before they enter the combustion chamber). The compressors have equal pressure ratios and intercooling is complete between stages. The air inlet temperature to the unit is 15 °C. The isentropic efficiency of each compressor stage is 0.8 and the isentropic efficiency of each turbine stage is 0.85. In the heat-recovery heat exchanger, the exhaust from the low pressure turbine is heating the exhaust from the high pressure compressor to 420 °C, before the LP turbine exhaust is vented and the HP compressor exhaust (now exiting the heat recovery heat exchanger) is sent to the combustion chamber (to be heated to 650 °C). The heat exchangers (the intercooler, heat recovery heat exchanger and the combustion chambers) all operate at constant pressure. Pressure losses and changes in kinetic and potential energies can be neglected.

a)Draw a diagram of this cycle.

b)Calculate the cycle efficiency.

c)Determine the mass flow rate through the process.

A pair of helical gears is used with the following properties: 14.5 degree normal pressure angle, 45 degree helix angle, diametral pitch of 8 teeth/in, 1.5-in face width, and normal diametral pitch of 11.31 teeth/in. The pinion has 12 teeth and a 1.5in pitch diameter, and the gear has 32 teeth and a 4.0 in pitch diameter. Both gears have full-depth teeth. If a right-hand pinion and a left hand gear are placed in mesh, find the transverse contact ratio, the normal contact ratio, the axial contact ratio, and the total contact ratio.

An anthracite coal has the following composition: C = 84.7 N = 1.5 A= 5.8 H = 2.9 S =0.8 W = 2.7 O = 1.6 Calculate for complete combustion per pound of coal: a)Theoretical weight of oxygen required, b) Actual air needed if 35 % in excess, can you use more or less oxygen

Semicolons and Colons
Insert semicolons and colons where necessary in the following sentences. Some sentences, however, may not require additional punctuation.

1. David, Richard approved the proposal you can start right away.
2. I spoke with engineers from Weston this morning we should have the blueprints this afternoon.
3. I would seriously consider his recommendations he is our most qualified technician.
4. Please schedule Darby McClain for a root-planing procedure and inform her of our scheduling policies.
5. I’ve surveyed the job site, completed the drawings, and prepared an estimate but, Robert, I would like you to review Section C of the proposal.
6. I removed nonlicensed software, and the error was corrected.
7. Charlie hasn’t felt well all week nevertheless, he refuses to leave work.
8. We will contact the pipe fitters and plumbers to obtain an estimate for you.
9. We had several setbacks this week however, the problems have been worked out.
10. The purpose of punctuation marks, of course, is to clarify the meaning intended by the writer.
11. Jim, our new employee, will be the project manager Michael, whom you know, will be the foreman of the electrical crew and Kyle will be the contractor from Alan’s Heating and Cooling.
12. My company sends me to our locations in St. Louis, Missouri Quincy, Illinois and Des Moines, Iowa to install and service hardware devices as needed.
13. When dealing with system-user complaints, Andy performs a number of routine tasks namely, provide instructions to system users, test PCs and networks, and provide computer-size capacity and configuration recommendations for his network supervisor.
14. I am convinced that Jim would be an excellent manager that is, he has my recommendation.
15. Amy, I wanted to give you this news myself The doctor has hired a new assistant to help you in the afternoons.
16. Robert and Karen from St. Louis will be here to visit our facility this Friday, so please make them feel welcome.
17. I need to see the following employees before they leave today Susan Olsen, Alice McCauley, and Robert Baker.
18. The electrical crew is scheduled to arrive at 8 45 A.M.
19. Have you had a chance to read Engineering Graphics Methods and Applications?
20. For the next two weeks, you will be working with the electricians at Lake Avenue Power Plant.