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Engineering
Nikolai Maddox
about a month ago
What is your employer required to have on fixed ladders that extend more than 24 feet in the workplace?
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Engineering
Aditya
about a month ago
The interior wall of a building is made from 2*4 wood studs, plastered on one side. If the wall is 13 ft high, determine the load in lb/ft of length of wall that it exerts on the floor
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Engineering
Juliet Trujillo
about a month ago
The activation energy for diffusion in BCC iron is 84 kJ/mol. Which of the following explains why the carbide precipitation activation energy is slightly higher than the BCC diffusion activation energy?
a. Steel is FCC and the activation energy for FCC diffusion is higher
b. Precipitation requires the diffusional activation energy plus an additional energy to form the precipitate.
c. Precipitation requires less energy than diffusion
d. The carbide is orthorhombic which is a much higher energy than BCC
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Engineering
Lydon
about a month ago
When the French horn plays with brass instruments, then it is played very softly to match the texture.
True/False
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Engineering
Cassie
about a month ago
A Pitot tube is mounted in the test section of a low-speed subsonic wind tunnel. The flow in the test section has a velocity, static pressure, and temperature of 150 mi/h, 1 atm, and 70∘F, respectively. Calculate the pressure measured by the Pitot tube.
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Engineering
Myah Donaldson
about a month ago
A certain working substance receives 100 Btu reversibly as heat at a temperature of 1000℉ from an energy source at 3600°R. Referred to as receiver temperature of 80℉, calculate: A. the available energy of the working substance (63 Btu) B. the available portion of the 100 Btu added at the source temperature (85 Btu) C. the reduction in available energy between the source temperature and the 1000℉ temperature (22 Btu)
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Engineering
Francisco Saunders
about a month ago
Pressurized steam at 450 K flows through a long, thin-walled pipe of 0.5-m diameter. The pipe is enclosed in a concrete casing that is of square cross section and 1.5 m on a side. The axis of the pipe is centered in the casing, and the outer surfaces of the casing are maintained at 300 K. What is the heat loss per unit length of pipe
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Engineering
Sidney Cohen
about a month ago
Which of the following material properties varies with temperature? a) - density b) - viscosity c) - electrical resistance d) - all of the above
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Engineering
Kayden Mcmillan
about a month ago
Benzoic acid 1.35 g, is reacted with oxygen in a constant volumecalorimeter to form H2 O (l) and CO2 (g) at 298 K. the mass of the water volume in the inner bath is1.376*103 g. The temperature of the calorimeter and itsconstant rises 3.11 K as a result of this reaction. Calculate thecalorimeter constant.
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Engineering
Athena Campbell
about a month ago
How can I solve 23.5 million Nona meters to millimeters using no calculator because I have to show my work
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Engineering
Dorian Howard
about a month ago
An undeformed specimen of some alloy has an average grain diameter of 0.04 mm. You are asked to reduce its average grain diameter to 0.010 mm. Is it possible? If so, explain the procedure you would use to and the name the processes involved. If it is not possible then explain, why?.
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Engineering
Leah Estes
about a month ago
What kind of shank has a drill ½ inch or less in size?
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Engineering
Jeffrey David
about a month ago
Define a transformation that transforms a square into a rectangle
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Engineering
Audrina Pham
about a month ago
Select all statements that apply to the process of hydraulic fracturing, or "fracking."
a. Hydraulic fracturing allows geologists to capture natural gas stored in the pore spaces of shale.
b. Once the shale is shattered, fractures remain open due to the inherent strength of the shale.
c. Wastewater from hydraulic fracturing is absorbed into the shale indefinitely.
d. Hydraulic fracturing threatens the supply of other natural resources.
e. Some large magnitude historic earthquakes can be traced to the use of hydraulic fracturing.
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Engineering
Sofia
about a month ago
Any programmer who writes a Diophantine equation solver must occasionally encounter an infinite loop.
True/False
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