Mathematics for Machine Technology
7th Edition
ISBN: 9781133281450
Author: John C. Peterson, Robert D. Smith
Publisher: Cengage Learning
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Question
Chapter 61, Problem 19A
To determine
The height of a regular pyramid.
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Chapter 61 Solutions
Mathematics for Machine Technology
Ch. 61 - A rectangular strip of steel 2 ft 4 in. long, 1 ft...Ch. 61 - In order to make a conical duct, a circular sheet...Ch. 61 - A square bar 78 in. on a side is to be milled from...Ch. 61 - Construct a regular hexagon 3 cm on a side. By...Ch. 61 - Two angles of a triangle measure 7318' and 4947'....Ch. 61 - Prob. 6ACh. 61 - Prob. 7ACh. 61 - Prob. 8ACh. 61 - Prob. 9ACh. 61 - Prob. 10A
Ch. 61 - Solve these exercises. Where necessary, round the...Ch. 61 - Prob. 12ACh. 61 - A vessel is in the shape of a right circular cone....Ch. 61 - Prob. 14ACh. 61 - Prob. 15ACh. 61 - A piece in the shape of a pyramid with a regular...Ch. 61 - Prob. 17ACh. 61 - Solve these exercises. Where necessary, round the...Ch. 61 - Prob. 19ACh. 61 - Prob. 20ACh. 61 - Prob. 21ACh. 61 - Solve these exercises. Where necessary, round the...Ch. 61 - Prob. 23ACh. 61 - Prob. 24ACh. 61 - Prob. 25ACh. 61 - The container is in the shape of a frustum of a...Ch. 61 - A steel forging is in the shape of a frustum of a...Ch. 61 - Find the volume of the frustum of a right circular...Ch. 61 - Prob. 29ACh. 61 - The side view of a tapered steel shaft is shown....Ch. 61 - A zinc casting is in the shape of a frustum of a...Ch. 61 - A piece in the shape of a frustum of a pyramid...Ch. 61 - Find the volume of a hollow machined steel piece...Ch. 61 - Prob. 34A
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- Solve these prism and cylinder exercises. Where necessary, round the answers to 2 decimal places unless otherwise specified. A circular aluminum casting 2.63 inches thick has a 22.08-inch diameter. The aluminum used for the casting weighs 168.5 pounds per cubic foot. Find the weight of the casting. Round the answer to the nearest pound.arrow_forwardThe side view of a steel roundhead (hemisphere) rivet is shown. What is the weight of the rivet? Steel weighs 0.283 pound per cubic inch. Round the answer to 3 decimal places.arrow_forwardCompute the number of cubic centimeters of iron required for the cast-iron plate shown. The plate is 3.50 centimeters thick. Round the answer to the nearest cubic centimeter.arrow_forward
- The side view of a tapered steel shaft is shown. The length of the shaft is reduced from 18.40 inches to 13.60 inches. How many cubic inches of stock are removed? Round the answer to 1 decimal place.arrow_forwardSolve these prism and cylinder exercises. Where necessary, round the answers to 2 decimal places unless otherwise specified. A length of brass pipe is shown. a. Find the number of cubic inches of brass contained in the pipe. Round the answer to the nearest cubic inch. b. Brass weighs 526 pounds per cubic foot. What is the weight of the pipe? Round the answer to the nearest pound.arrow_forwardA copper casting is in the shape of a prism with an equilateral triangle base. The length of each base side is 17.80 centimeters, and the casting height is 16.23 centimeters. Copper weighs 8.8 grams per cubic centimeter. Determine the weight of the casting in kilograms. One kilogram equals 1000 grams. Round the answer to 2 decimal places.arrow_forward
- Find the length of a piece of bar stock with a regular hexagon cross section with 0.875-inch sides. The piece has a volume of 31.2 cubic inches. The formula A2.598s2 is used to determine the area of a regular hexagon where A is the area and s is the length of a side.arrow_forwardSolve the following exercises. Where necessary, round the answers to 2 decimal places unless otherwise specified. A triangular brass casting is shown. The block weighs 15.30 pounds. Brass weighs 526.7 pounds per cubic foot. Compute the height of the block. All dimensions are in inches.arrow_forwardThe steel beam shown weighs 7800 kilograms/cubic meter. Determine the weight of the beam to the nearest kilogram.arrow_forward
- Three pieces, each in the shape of a sector, are cut from the rectangular sheet of steel shown. How many Square meters are wasted after the three pieces are cut? Round the answer to the nearest tenth meter.arrow_forwardSolve these exercises. Find the cross-sectional area of metal in the triangular tubing shown. Round the answer to the nearest whole square millimeter.arrow_forwardThe tin can shown at the right has the indicated dimensions. Estimate the number of square inches of tin required for its construction. HINT: Include the lid and the base in the result.arrow_forward
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