Concept explainers
Calculate ratios.
- (a) Find the ratio of the pulley diameters. ____________________
- (b) Automotive Trades A small gasoline engine has a maximum cylinder volume of 520 cu cm and a compressed volume of 60 cu cm. Find the compression ratio. ____________________
(a)
The ratio of the diameters of the pulley.
Answer to Problem 1P
The ratio of the diameters of the pulley is
Explanation of Solution
Given that the diameter of the one circle is 10 inch and the diameter of another circle is 4 inch.
Find the ratio of the diameters of the pulley as follows.
Thus, the ratio of the diameters of the pulley is
(b)
The ratio between the maximum cylinder volume and the compressed volume of the engine.
Answer to Problem 1P
The ratio between the maximum cylinder volume and the compressed volume of the engine is
Explanation of Solution
Given that the maximum cylinder volume is 520 cu cm and the compressed volume is 60 cu cm.
Find the compression ratio of the engine as follows.
Thus, the ratio between the maximum cylinder volume and the compressed volume of the engine is
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Chapter 4 Solutions
Mathematics for the Trades: A Guided Approach (11th Edition) (What's New in Trade Math)
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