The purchased cost of a shell-and-tube heat exchanger with 100 m2 of heating surface area was $32,720 in 1990. What is the expected pur- chased cost of a similar heat exchanger with 200 m² in 1990 and 1993? The Marshall Swift Equipment Index for 1990 and 1993 is 915.1 and 964.2, respectively.
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
![The purchased cost of a shell-and-tube heat exchanger with 100 m² of
heating surface area was $32,720 in 1990. What is the expected pur-
chased cost of a similar heat exchanger with 200 m? in 1990 and 1993?
The Marshall Swift Equipment Index for 1990 and 1993 is 915.1 and
964.2, respectively.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F153fa2f3-2c77-4b44-836b-510855f09d35%2F80a2a71c-0ff9-4151-a8f3-69af1ff1e593%2Fdo8x2pb_processed.jpeg&w=3840&q=75)
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