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What is the ROI in economic consideration of corrosion?

What is the ROI in economic consideration of corrosion? Correct Answer Return on investment

ROI means Return on investment. ROI=*100 where O = annual costs including maintenance cost, I=Investment, n=anticipated life in years, and subscripts a and b refer to the present and proposed installations, respectively.

Related Questions

The given statements state the differences between economic development and economic growth. Which of the following statement is correct?  I. Economic growth is single-dimensional whereas economic development is multi-dimensional. II. Economic growth is measurable, but economic development cannot be precisely measured. 
Corrosion of less corrosion-resistant metal is usually increased and the attack of the more corrosion-resistant is decreased in galvanic corrosion.
Consider the following statements and point out which of them is correct?
1. An Agreement made without consideration is void.
2. Consideration should have some value in the eyes of the law.
3. Consideration has to be adequate.
Which of the statements given above is/are correct?
According to Salmond and Winfield, "A promise without consideration is a gift; one made for a consideration is a bargain." However, in the following circumstances a contract without consideration will be perfectly valid
1. An agreement in writing made on account of natural love and affection
2. Contract of Agency
3. Promise to pay a time-barred debt
4. Oral promise made on account of natural love and affection
Consider the following statements-
(1) Performance of a legal duty is no consideration for a promise.
(2) Forbearance to sue has always been regarded as valuable consideration.
(3) It is not necessary that consideration should be adequate to the promise.
Which of the above statementls is/are correct?
PRINCIPLE: A contract is an agreement enforceable by law. All agreements are contracts if they are made with free consent by parties competent to contract for a lawful consideration and with a lawful object.
FACT: A, a 40-year-old businessman of sound mind, agrees to sell his bungalow worth 40 lakhs for 1 lakh. The agreement is:
(1) Invalid due to inadequate consideration
(2) Valid as there is lawful consideration
(3) Valid as A entered into it with free consent
(4) Valid because A has capacity to contract.
A', on 9th January, 2015 agrees to sell his immovable property to 'R' and out of the total sale consideration of Rs. 3,00,000/- receives a sum of Rs. 1,00,000/- from 'B' as advance payment and agrees to vacate the property and handover vacant peaceful physical possession thereof to 'B' and to execute the Sale Deed of the property in favour of 'B' on receipt of balance sale 'consideration' on or before 9th July, 2015. 'A' fails to vacate the property or to execute the Sale Deed or to deliver possession of the property to 'B'. 'B' after waiting patiently till 31st January, 2016, on 1st February, 2016 got issued a legal notice to 'A' to take the balance sale consideration and execute the Sale Deed and deliver vacant peaceful physical possession. 'A' vide his reply received by 'B' on 17th February, 2016 denies the agreement. The limitation of three years available to 'B' for instituting a suit for specific performance is:
Given below are four jumbled sentences. Select the option that gives their correct order. The United States and all other modern industrial economies experience significant swings in economic activity. Periods of economic prosperity are typically called expansions or booms; periods of economic decline are called recessions or depressions.  The combination of expansions and recessions, the ebb and flow of economic activity, is called the business cycle. In some years, most industries are booming and unemployment is low; in other years, most industries are operating well below capacity and unemployment is high.
Given below are six sentences of a  passage. The first and sixth sentences are given in the beginning as S1 and S6. The middle four-sentence in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences. S1: In a globalised world, no country can hope to impose tariffs without affecting its own economic interests. S6: The ongoing trade war also threatens the rules-based global trade order which has manages to amicably handle trade disputes between countries for decades. P: So both the U.S. and China, which have blamed each other for the ongoing trade war, are doing no good to their own economic fortunes by engaging in tit-for-tat tariff battle. Q: Apart from disadvantaging its consumers, who will have to pay higher prices for certain goods, tariffs will also disrupt the supply chain of producers who rely on foreign imports. R: China, which is fighting an economic showdown, will be equally affected. S: The minutes of the U.S. Federal Reserve June policy meeting show that economic uncertainty due to the trade war is already affecting private investment in the U.S., with many investors deciding to scale back or delay their investment plans.
Jet airlines have business and economic class in planes to New York. On 2nd of Jan, number of passengers in business and economic class were 3 : 7.the fare charged for business to economic class is in the ratio 5 : 3. If the total fare collected from these classes were Rs. 241920, how much fare was collected from economic class?