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4 years ago

List the 6 steps used in the Buckingham Pi method

Engineering

1 answer:

ICE Princess25 [194]4 years ago

6 0

Answer:

The steps in Buckingham π method are as follows:

Step 1: List the all variables = m

Step 2 : Express each variables in fundamental units (M,L,T,θ) = n

Step 3 :Find m- n numbers of π terms

Step 4 :Select repeating variables which have all basic dimensions.

Step 5 : Creates π terms.

Step 6 : Repeat step 5 for all other variables.

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The Clean Air Act Amendments of 1990 prohibit service-related releases of all ________.

ozzi

Answer:

D) Refrigerants.

Explanation:

Refrigerants refers to any chemical substance that undergoes a phase change (liquid and gas) so as to enable the cooling and freezing of materials. They are typically used in air conditioners, refrigerators, water dispensers, etc.

In the United States of America, the agency which was established by US Congress and saddled with the responsibility of overseeing all aspects of pollution, environmental clean up, pesticide use, contamination, and hazardous waste spills is the Environmental Protection Agency (EPA). Also, EPA research solutions, policy development, and enforcement of regulations through the resource Conservation and Recovery Act .

The Clean Air Act Amendments of 1990 prohibit service-related releases of all refrigerants such as R-12 and R-134a. This ban became effective on the 1st of January, 1993.

3 0

3 years ago

A pipe leads from a storage tank on the roof of a building to the ground floor. The absolute pressure of the water in the storag

Fudgin [204]

Answer:

6.4 m/s

Explanation:

From the equation of continuity

A1V1=A2V2 where A1 and V1 are area and velocity of inlet respectively while A2 and V2 are the area and velocity of outlet respectively

$A1=\pi (r1)^{2}$

$A2=\pi (r2)^{2}$

where r1 and r2 are radius of inlet and outlet respectively

v1 is given as 1.6 m/s

Therefore

$\pi (0.01)^{2}\times 1.6 = \pi (0.005)^{2}v2$

$V2=\frac {\pi (0.01)^{2}\times 1.6}{\pi (0.005)^{2}}=6.4 m/s$

3 0

4 years ago

A source current of 10 mA is supplied to a parallel circuit consisting of the following resistors three resistors, a 2200 a 500

marysya [2.9K]

It’s is 2000 because it is 20000

7 0

3 years ago

Name the main classes of polymer and define their characteristic properties

Svetlanka [38]

Answer:

Polymers are the naturally occurring or synthetic macromolecules that are composed of repeating subunits, called monomers.

The three main classes of polymers are: thermoplastic, thermosetting, and the elastomers.

Thermoplastic polymers have linear bonding. These polymers can be melted again and thus can recycled.

Thermosetting polymers have cross-linked bonding. These polymers decompose when heated and thus can not be remelted and recycled.

Elastomers have linear bonding with some cross-linking. These polymers extreme elastic extensibility and thus can revert back to its original shape after deformation, without causing any permanent damage.

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4 years ago

Kieran and Kurt spend most of their day performing physical labor, aligning materials, and inspecting projects for quality and s

xxMikexx [17]

Answer:

Kieran is a Carpenter, and Kurt is a Drafter

Explanation:

Among all the professions listed, Kurt can only possibly be a Drafter. A Drafter is an engineering technician who makes detailed technical drawings or plans for machinery, buildings, electronics, infrastructure, sections, etc. Drafters make use of computer software and manual sketches to convert the designs, plans, and layouts of engineers and architects into a set of technical drawings. All the other professions will at some point need for the professional to stand and work at an height above the ground except for a drafter, whose feet will remain on the ground at almost all times.

5 0

3 years ago

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