A gas can auto ignite when exposed to a temperature higher than its
autoignition temperature
Temperature ranges gives the maximum exposed surface temperature
allowable of a device that is to be used in a hazardous, atmosphere
To enable end users determine the suitability of a product for a particular
usage, an equipment is put through test in order to classify them according
to temperature of exposed (to the atmosphere) unprotected surface
Whereby the atmosphere is explosive, there is a temperature at which the
it can spontaneously ignite known as the autoignition temperature,
therefore, it is important to use only equipment that belong to a temperature classification that is less than the auto ignition temperature of the location
The temperature classification can be presented as follows;
[tex]\begin{array}{|c|c|}Class&Surface \ Temperature \ ^{\circ }C\\T1&<450\\T2&<300\\T3&<200\\T4&<135 \\T5&<100\\T6&<85\end{array}[/tex]
The maximum allowable surface temperature of operation of a device
intended for use in an hazardous atmosphere is defined by the
temperature classification, which is also known as the T class
With knowledge of the gases present in the atmosphere, and the
autoignition temperature, accidents can be prevented
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a hallow steel tube 3.5m long has external diameter of 120mm. in order to determine the internal diameter the tube was subjected to a tensile load of 400KN and extension was measured to be 2 mm. if the modulus of elasticity for the tube material is 200 GPa. determine the internal diameter of the tube.
Answer:
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Who is Mario and Luigi
Answer:
they are fictional characters featured in video games etc
Answer: Mario and Luigi are game characters, which feature in the Super Mario Maker series, the Paper Mario series, but most notably, the Super Mario Bros. series. Mario debuted in Donkey Kong (1981), while Luigi debuted in Mario Bros (1983, not to be confused with Super Mario Bros, which released two years after Mario Bros).
If a construction company is considering a new type of material to use in their construction, which factors would they
focus on? (Select all that apply.)
that the new material does the same thing as an existing material but better
that the new material does the same thing as an existing material but cheaper
that the science behind the material be familiar to and understood by its employees
that the properties of the new material meet their construction needs
I would honestly select every one of the given options. Gor a company evaluating this new material it would be very valuable to hit each of these factors.
1. Plot the normal and shear components of stress on the fictitious element relative to (1) Cartesian coordinator system, (2) a cylindrical coordinator system, and (3) a spherical coordinate system. Note: Your drawing should be by hand and in a 3D manner. Write the stress notation in matrix form for three coordinator systems. Explain the biological motivations for using the above three coordinator systems.
Answer:
d
Explanation:
A gas turbine power plant is being designed using an air-standard Brayton cycle. Air enters the compressor with a volumetric flow rate of 7 m3 /s at 100 kPa, 300 K. The turbine inlet temperature is expected to be 1400 K. The compressor pressure ratio is 10. The turbine exhaust goes back to the atmosphere at 100 kPa. (a) Draw the schematic and T-s diagrams. (b) Determine the thermal efficiency. (c) Determine the back work ratio of this power plant.
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i need your help to answer in the picture plss help me!
this looks like its the different phases of a single cylinder 4 stroke engine what are you doing in the picture or assignment though matching the numbers to the descriptions on the side?
Why did you choose agricultural and biosystem as a course? Help me guys
Answer:
To be able to develop as a human and give back to the community. To ensure that people have safe food and water to drink, clean fuel and energy sources, and in general a safe enviornment to live in.
Explanation:
The reasons why someone might choose to study agricultural and biosystems engineering are highly individual and can depend on a variety of factors, such as personal interests, career goals, and educational background.
What is agricultural and biosystem engineering?Many students who decide to study agricultural and biosystems engineering are interested in farming, making food, and sustainable agriculture. They might want to find new ways to make more food or improve how farmers work.
Agricultural and biosystems engineering is a field that focuses on creating systems and processes that are good for the environment.
Students who care about the environment may decide to learn about this subject because it focuses on reducing waste, saving resources, and causing less harm to the environment.
Agricultural and biosystems engineering is a field that combines different areas of knowledge such as biology, chemistry, physics, and computer science. Students who like to work in different subjects might find this field perfect for their interests and abilities.
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1. A drawing of a cabinet shows that its dimensions are 9cm. by 4cm. The drawing indicates 1:50 scaling. What are the actual dimensions of the cabinet?
2. Bongbong is tasked to draw a floor plan with a scale of 1:100. If the total length of the actual house is 8 meters, what will be its corresponding measurement in centimeters in floor plan?
3.The length of a bedroom measures 2.5 m., what will be the measurement in centimeters to be used in the drawing if it is in 1:50 scale?
Explanation:
This means that for every 1 cm on the drawing, there is 80 cm in reality. To put it another way, take this
1:80 means that the building is 80 times the size of the drawing
80:1 means that the drawing is 80 times the size of the building
If it were 80:1, the drawing itself would be over 100m long.
Tech a says both oem and tcmc brake pad kits come with new shims. Tech b says tcmc products have a 13 digit part number instead of the traditional 10 digits. Who is correct?
Which of the following procedures best applies to assessing the embodied energy of a building?
analyzing the building’s materials
analyzing the building’s function
analyzing the building’s age
analyzing the building’s blueprints
100 POINTS
analyzing building materials???????????? but i can try i think it is analyzing the materials of the building
If the probability of a bit error is p, what is the probability of a single, double, and triple error in a 10-bit word? Express it in terms of p.
Answer:
single bit error: 10pdouble bit error: 45p²triple bit error: 120p³Explanation:
The probability of n bits being in error is 10Cn × p^n, where ...
10Cn = 10!/(n!(10-n!))
10C1 = 10
10C2 = 45
10C3 = 120
This is the product of the probability that n bits can be in error and the number of ways that n bits can be chosen from the 10 in the word.
n = 1: 10p
n = 2: 45p²
n = 3: 120p³
Which of the following most accurately describes an institutional conflict of interest?
Answer:
Defined as a situation in which the financial investments or holdings of Stanford University or the personal financial interests or holdings of institutional leaders might affect or reasonably appear to affect institutional processes for the design, conduct, reporting, review, or oversight of human subjects research.
The disk spins about the fixed axis BB, which is inclined at the angle α to the vertical z-axis. A small block A is placed on the disk in its lowest position P at a distance r from the axis when the disk is at rest. The angular velocity ω = theta dot. is then increased very slowly, starting from zero. At what value of ω will the block slip, and at what value of θ will the slip first occur? Use the values α = 25°, r = 0.55 m, and μs = 0.67. What is the critical value of ω if α = 0?
Answer: A small block A is placed on the disk in its lowest position P at a distance r from the axis when the disk is at rest. The angular velocity
Explanation:
Explain the relationship between separation and economic efficiency in mineral processing.
Answer:
Post navigation. The technical excellence of separation achieved in a mineral concentration process, or any other process where two constituents of any kind are physically separated from each other, is expressed uniquely and quantitatively by the Separation Efficiency: Es = (R – Rg)
Explanation:
hope it helps.
An ideal Otto cycle with air as the working fluid has a compression ratio of 8. The minimum and maximum temperatures in the cycle are 540 and 2400 R. Accounting for the variation of specific heats with temperature, determine (a) the amount of heat transferred to the air during the heat-addition process, (b) the thermal efficiency, and (c) the thermal efficiency of a Carnot cycle operating between the same temperature limits
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why a hard disk called a random access stroage device
RAM is called “random access” because any storage location on the computer can be accessed directly (as opposed to randomly).
Your vehicle is/ are not part of regulated safety system 
Answer:
Amends the FMVSS on air brake systems to improve the stopping distance performance of truck tractors. The rule requires the vast majority of new heavy truck tractors to achieve a 30 percent reduction in stopping distance compared to currently required levels. For these heavy truck tractors (approximately 99 percent of the fleet), the amended standard requires those vehicles to stop in not more than 250 feet when loaded to their gross vehicle weight rating (GVWR) and tested at a speed of 60 miles per hour (mph). For a small number of very heavy severe service tractors, the stopping distance requirement will be 310 feet under these same conditions. In addition, this final rule requires that all heavy truck tractors must stop within 235 feet when loaded to their “lightly loaded vehicle weight” (LLVW).
Amends the FMVSS on air brake systems to improve the stopping distance performance of truck tractors. The rule requires the vast majority of new heavy truck tractors to achieve a 30 percent reduction in stopping distance compared to currently required levels. For these heavy truck tractors (approximately 99 percent of the fleet), the amended standard requires those vehicles to stop in not more than 250 feet when loaded to their gross vehicle weight rating (GVWR) and tested at a speed of 60 miles per hour (mph). For a small number of very heavy severe service tractors, the stopping distance requirement will be 310 feet under these same conditions. In addition, this final rule requires that all heavy truck tractors must stop within 235 feet when loaded to their “lightly loaded vehicle weight” (LLVW).
Answer:
power window controls
Explanation:
Calculate moments about points A,B,C,D
Answer:
24cm sureeeereereeeeee
Where you attend college could costmore to borrow and refinance loans
Escribe dos gemplos de los cambios de conducta que
adquiere el trabajador
al momento de capacitarse.
Aprendizajes del buen vivir ya que al compartir con la comunidad y te desarrollas, tu desarrollas otra manera de pensar y adquieres el aprendizaje del buen vivir con todos sin excepción alguna
Además el aprendizaje de experimentar compartir con otras personas que no son tu familia, eso hará que desarrolles el aprendizaje de tus cualidades y en este caso sería la cualidad de la imparcialidad
What size resistor would produce a current flow of 5 Amps with a battery voltage of 12.6 volts
Answer:
resistance = 2.52 ohms
Explanation:
from the formula
V =IR
Voltage = (current)(resistance)
Resistance =
R=
R= 2.52 ohms
