All categories

2 years ago

In the case of dormant cracks wider than about 1m, it is more economical to use ____________

Business

1 answer:

Bad White [126]2 years ago

8 0

Answer:

B. Grouting

Explanation:

These are the options for the question;

A. Epoxy resin

B. Grouting

C. Tensioning

D. Ranging

In the case of dormant cracks wider than about 1m, it is more economical to use grouting method.

Grouting techniques is a techniques that is achieved by removal of dirt or unwanted substance from the crack of the the faulty part and then grouting of the crack after which the surface is sealed by sealants. It should be noted that grouting is economical than other methods such as surface treatment.

You might be interested in

Emma is a recent college graduate who is unmarried and has no children. Which of the following benefits would be of least import

natali 33 [55]

Answer:

C. Life insurance

4 0

1 year ago

Which of the following is an example of shadowing? Select one: a. Two new recruits working on an automobile’s rear axle b. Three

Arisa [49]

Answer: Option (b) is correct.

From the given options , the following is an example of shadowing: Three young interns practicing under the guidance of an experienced surgeon.

Shadowing here refers to on-the-job learning program. It also includes development program related to career and leadership. This also involves working with individuals who might have different work, or might have to teach the individual about aspects related to the work, business or competencies.

6 0

1 year ago

Joel was recently hired as a police officer in his city's police department. As part of employee training, his supervisor trains

Assoli18 [71]

Answer:

On-the job training.

Explanation:

This is explained to be normal emphasized training that working staffs are seen to undergo; especially newly employed staffs, which is a direct training while doing the actual job they are been hired or paid for. A a good and reasonable trainee in this aspect is seen to be appreciative when given this chance to develop knowledge and skills without ever leaving work. In this employee training format, employees are seen to receive your workplace needs, norms, and culture and familiarize with them. Internal job training and employee development bring a special plus. This is why in the scenario above, Joel's supervisor trains him off-site on the use of firearms.

3 0

1 year ago

Nadine Chelesvig has patented her invention. She is offering a potential manufacturer two contracts for the exclusive right to m

Alchen [17]

Answer:

The uniform annual sales volume of the product for Nadine to be indifferent between the contracts is 7,772 units per year.

Explanation:

We have to compare the present-value of both plans to answer this question.

The Plan A has a present value of $30,000 as is an inmediate payment.

The Plan B has both an annual payment and a royalty, for a span of ten years.

The present value for Plan B is:

$PV_b=\sum_{i=1}^{10}(1000+0.50q)/(1+i)^i$

This can be simplified with a annuity factor for 10 years, with i=10%.

$A_{10}=\frac{1-(1+i)^{-10}}{i}= \frac{1-1.1^{-10}}{0.10}\\\\A_{10}=\frac{1-0.386}{0.10}=\frac{0.614}{0.10}=6.14$

Then, the PV can be calculated as:

$PV_b=6.14(1,000+0.50q)\\\\PV_b=6,140+3.07q$

To be indifferent, both present values have to be equal:

$PV_b=PV_a\\\\6,140+3.07q=30,000\\\\q=(30,000-6,140)/3.07=23,860/3.07=7,772$

The uniform annual sales volume of the product for Nadine to be indifferent between the contracts is 7,772 units per year.

6 0

2 years ago

A population gathers plants and animals for survival. They need at least 360 units of energy, 300 units of protein, and 8 hide

stellarik [79]

Answer:

0 units of plants and 18 animals.

Explanation:

From the information provided, we know that this population must hunt at least 8 animals, to obtain the hides necessary to survive. When hunting such a quantity of animals, they would also obtain 160 units of energy and 200 units of protein. In terms of costs, this equals 80 hours of labor.

How can the population obtain the additional 200 units of energy and 100 of protein they need to live? They have two options: gather plants or keep hunting animals, of course, respecting the available quantities.

In the former case, at least 10 units of a plant would have to be gathered, this is the only way to obtain the additional units of energy and protein they are looking for. With 8 animals and 10 units of plants, they would have 460 units of energy, 300 of protein and 8 hides, and would have to invest 280 hours of labor.

If the population decided to reduce labor by gathering fewer plants (which is the activity that requires more time) but hunting the same amount of animals, it would obtain 430 units of energy, 290 units of protein and 8 hides. That means that it would not survive because it would not meet the requirement of 300 proteins.

Therefore, the only way to reduce hours of labor without risking survival would be gathering fewer plants but hunting more animals. Following this logic, the optimal amount would be 18 animals and 0 units of plants, as this would allow people to obtain the necessary resources to survive at the minimum cost in terms of labor. Furthermore, it would fit the physical limit of 27 units of plants and 23 animals. This combination would allow to obtain 360 units of energy, 450 of protein and 18 hides by investing only 180 hours of labor.

The attached image shows what happens when the quantity of animals is increased and that of plants is decreased until reaching the optimal combination of 18 animals and no units of plants.

4 0

2 years ago