Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN: 9781337798310
Author: Peterson, John.
Publisher: Cengage Learning,
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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 …
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 experime…
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Textbook Question
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Chapter 25, Problem 14AR

Analyze each of the following problems to determine whether the problem is a direct or inverse proportion and solve. Round the answers to 3 decimal places where necessary.
a. A reamer tapers 0.0975 inch along a 3.2625-inch length. What is the amount of taper along a 2.1250-inch length?
b. A machine produces 2550 parts in 8.5 hours. How many parts are produced by the machine in 10 hours?
c. Of two gears that mesh, one gear with 12 teeth revolves at 420 rpm. What is the revolutions per minute of the other gear, which has 16 teeth?

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Chapter 25 Solutions

Mathematics For Machine Technology

Ch. 25 - Prob. 1ARCh. 25 - Express these ratios in lowest fractional form. 2....Ch. 25 - Express these ratios in lowest fractional form. 3....Ch. 25 - Express these ratios in lowest fractional form. 4....Ch. 25 - Express these ratios in lowest fractional form. 5....Ch. 25 - Express these ratios in lowest fractional form. 6....Ch. 25 - Express these ratios in lowest fractional form. 7....Ch. 25 - Express these ratios in lowest fractional form....Ch. 25 - Express these ratios in lowest fractional form. 9....Ch. 25 - Express these ratios in lowest fractional form....
Ch. 25 - Express these ratios in lowest fractional form....Ch. 25 - Bronze is an alloy of copper, zinc, and tin with...Ch. 25 - Solve for the unknown value in each of the...Ch. 25 - Analyze each of the following problems to...Ch. 25 - Express each value as a percent. a. 1 b. 112 c....Ch. 25 - Express each value as a percent. a. 0.72 b.2.037...Ch. 25 - Express each percent as a decimal fraction or...Ch. 25 - Express each percent as a common fraction or mixed...Ch. 25 - Find each percentage. Round the answers to 2...Ch. 25 - Find each percent (rate). Round the answers to 2...Ch. 25 - Prob. 21ARCh. 25 - Prob. 22ARCh. 25 - The carbon content of machine steel for gages...Ch. 25 - A piece of machinery is purchased for $8792. In 1...Ch. 25 - Engine pistons and cylinder heads are made of an...Ch. 25 - Before starting two jobs, a shop has an inventory...Ch. 25 - An alloy of stainless steel contains 73.6% iron,...Ch. 25 - Prob. 28AR
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