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3 years ago

Which construction material can workers erect at the fastest rate?

Engineering

2 answers:

mina [271]3 years ago

7 0

Answer:

Fabrication benefits

Explanation:

Onsite construction can certainly begin more quickly when you are using concrete, stone, or brick. However, total construction time will lag behind that of building with steel. These materials require time to prepare and cure; and they result in more waste to move off site and dispose of.

miv72 [106K]3 years ago

5 0

<h2><u><em>Answer: </em></u></h2><h2><u><em> </em></u></h2><h2><u><em>Creation benefits </em></u></h2><h2><u><em> </em></u></h2><h2><u><em>Clarification: </em></u></h2><h2><u><em> </em></u></h2><h2><u><em>On location development can positively start all the more immediately when you are utilizing solid, stone, or block. Notwithstanding, absolute development time will fall behind that of working with steel. These materials expect time to get ready and fix; and they bring about more waste to move off site and discard.</em></u></h2>

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The current drawn by fluorescent lighting has a high total harmonic distortion. For this case, THD is calculated to be 88%. The

Alona [7]

Answer:

displacement power factor is 0.959087

Explanation:

given data

THD = 88%

true power factor = 0.72

solution

we get here total harmonic distribution THD is express as here

THD = $\sqrt{\frac{1}{g^2}-1}$ ..............1

her g is distortion factor

so put here value and we will get g that is

0.88² = $\frac{1}{g^2} -1$

solve it we get

g = 0.750714

and

displacement power factor is express as

DPF = $\frac{PF}{g}$ .................2

put here value and we will get

DPF = $\frac{0.72}{0.750714}$

DPF = 0.959087

3 0

3 years ago

Which is a feedback mechanism for a system?

stira [4]

The following is a feedback mechanism for a system :

<u>The progress bar when downloading a file on iTunes</u>

<u></u>

Explanation:

A feedback mechanism is a loop system wherein the system responds to a perturbation. The response may be in the same direction (as in positive feedback) or in the opposite direction (as in negative feedback).
Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop. The system can then be said to feed back into itself.
Evaluation feedback needs to be done “in the moment” to help the person receiving the feedback know where they stand.
A feedback control system consists of five basic components: (1) input, (2) process being controlled, (3) output, (4) sensing elements, and (5) controller and actuating devices.
Because negative feedback produces stable circuit responses, improves stability and increases the operating bandwidth of a given system, the majority of all control and feedback systems is degenerative reducing the effects of the gain.

6 0

3 years ago

A plant manager randomly selects a can of peas from the assembly line and records whether or not the can's label is properly att

love history [14]

Complete Question

For each of the following experiments, identify the counting rule that is relevant for determining the number of experimental outcome.Then use the counting rules to determine the number of experimental outcome

First Experiment

A plant manager randomly selects a can of peas from the assembly line and records whether or not the can's label is properly attached , followed by the weight of the can (as less than 14 ounces, exactly 14, or more than 14 ounces).

Which is the correct Counting rule?

1) Multiple-Step Experiments

2) Permutations

3) Combinations

What is the Number of Experimental Outcomes?

Second Experiment

Three branches (A,B, and C) of a bank have open manager positions. Three home-office employees from a pool of five are randomly selected to fill the manager positions. The first home-office employee selected becomes the manager of branch A, the second becomes the manager of branch B, and the third becomes manager of branch C.

Which is the correct Counting rule?

1) Multiple-Step Experiments

2) Permutations

3) Combinations

What is the Number of Experimental Outcomes?

Third Experiment

A stockbroker forms a stock portfolio for a client by randomly selecting three stock from a pool of five.

Which is the correct Counting rule?

1) Multiple-Step Experiments

2) Permutations

3) Combinations

What is the Number of Experimental Outcomes?

Answer:

First Experiment

Counting rule: Multiple-Step Experiments

Number of Experimental Outcomes: 6

Second Experiment

Counting rule: Permutations

Number of Experimental Outcomes: 60

Third Experiment

Counting rule: Combinations

Number of Experimental Outcomes: 10

Explanation:

The explanation of the first experiment is on the first uploaded image

For the second experiment the counting rule is permutation because from the experiment we can see that the order of selection is important

To obtain the Number of Experimental Outcomes:

We have:

$5p_{3} = \frac{5!}{2!}$

$= \frac{5*4*3*2!}{2!}$

$= 60$

For the third experiment the the counting rule is combination because the order of selection is not important

To obtain the Number of Experimental Outcomes:

We have:

$5C_{3} =\frac{5!}{3!2!}$

$= 10$

4 0

3 years ago

The depletion in the Ozone layer is caused by:

andrew11 [14]

D. Chlorofluorocarbon

This is a man-made carbon that causes the gradual thinning(deception) in the earth’s Ozone layer.

Hope this helped and pls mark as brainliest!

~ Luna

3 0

3 years ago

Read 2 more answers

A cylindrical pressure vessel of radius 1.2m and thickness 4 mm is made from Ductile steel.a. If the pressure if varied cyclical

shusha [124]

Answer:

Equivalent mean stress = 45 p

Amplitude stress = 10 p

Stress ratio = 2

Pressure = 4.762 mpa

Explanation:

Find the explanation attached