Mathematics for Machine Technology
7th Edition
ISBN: 9781133281450
Author: John C. Peterson, Robert D. Smith
Publisher: Cengage Learning
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Chapter 32, Problem 70A
To determine
Find the readings in the table from the help of given data.
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5.12 A steel wire 300 feet long and 1½-½ inch in diameter
weighs 0.042 #/ft. If the wire is suspended vertically from
its upper end, calculate (a) the maximum tensile stress due
to its own weight and (b) the maximum weight W that can
be safely supported assuming a safety factor of three and
an ultimate tensile stress of 65 ksi.
a. The maximum tensile stress due to
its own weight
b. Maximum weight
5.6
The turnbuckles in the diagram shown are tightened
until the compression block DB exerts a force of 10,000# on
the beam at B. Member DB is a hollow shaft with an inner
diameter of 1.0 inch and outer diameter of 2 inches. Rods
AD and CD each have cross-sectional areas of 1.0 in.². Pin
C has a diameter of 0.75 inch. Determine:
a. The axial stress in BD-
b. The axial stress in CD-
c. The shearing stress in pin C.
B
UB
CD
PIN
VIEWED FROM BELOW
5.15 The ends of the laminated-wood roof arch shown are
tied together with a horizontal steel rod 90 feet, "10 inches"
long, which must withstand a total load of 60 k. Two turn-
buckles are used. All threaded rod ends are upset.
a. Determine the required diameter D of the rod if
the maximum allowable stress is 20 ksi.
b. If the unstressed length of the rod is 90 feet,
"10 inches" and there are four threads per inch
on the upset ends, how many turns of one
turnbuckle will bring it back to its unstressed
length after it has elongated under full allowable
tensile stress? E = 29 × 103 ksi.
a. Required diameter D
b. Number of turns
LAMINATED WOOD
ROOF ARCH
TIE ROD
TURNBUCKLE
DETAIL:
UPSET END
Chapter 32 Solutions
Mathematics for Machine Technology
Ch. 32 - Use an electronic vernier caliper to measure the...Ch. 32 - Read the metric vernier depth gage measurement for...Ch. 32 - Prob. 3ACh. 32 - Prob. 4ACh. 32 - Prob. 5ACh. 32 - Prob. 6ACh. 32 - Prob. 7ACh. 32 - Read the settings on the following 0.001-inch...Ch. 32 - Prob. 9ACh. 32 - Prob. 10A
Ch. 32 - Prob. 11ACh. 32 - Prob. 12ACh. 32 - Prob. 13ACh. 32 - Prob. 14ACh. 32 - Prob. 15ACh. 32 - Prob. 16ACh. 32 - Prob. 17ACh. 32 - Prob. 18ACh. 32 - Prob. 19ACh. 32 - Prob. 20ACh. 32 - Prob. 21ACh. 32 - Prob. 22ACh. 32 - Prob. 23ACh. 32 - Prob. 24ACh. 32 - Prob. 25ACh. 32 - Prob. 26ACh. 32 - Prob. 27ACh. 32 - Prob. 28ACh. 32 - Prob. 29ACh. 32 - Prob. 30ACh. 32 - Prob. 31ACh. 32 - Prob. 32ACh. 32 - Prob. 33ACh. 32 - Prob. 34ACh. 32 - Prob. 35ACh. 32 - Prob. 36ACh. 32 - Prob. 37ACh. 32 - Prob. 38ACh. 32 - Prob. 39ACh. 32 - Prob. 40ACh. 32 - Prob. 41ACh. 32 - Prob. 42ACh. 32 - Prob. 43ACh. 32 - Prob. 44ACh. 32 - Prob. 45ACh. 32 - Prob. 46ACh. 32 - Prob. 47ACh. 32 - Prob. 48ACh. 32 - Prob. 49ACh. 32 - Read the settings on the following 0.0001-inch...Ch. 32 - Prob. 51ACh. 32 - Prob. 52ACh. 32 - Prob. 53ACh. 32 - Prob. 54ACh. 32 - Prob. 55ACh. 32 - Prob. 56ACh. 32 - Prob. 57ACh. 32 - Prob. 58ACh. 32 - Given the following barrel scale, thimble scale,...Ch. 32 - Prob. 60ACh. 32 - Prob. 61ACh. 32 - Prob. 62ACh. 32 - Prob. 63ACh. 32 - Prob. 64ACh. 32 - Prob. 65ACh. 32 - Prob. 66ACh. 32 - Prob. 67ACh. 32 - Prob. 68ACh. 32 - Prob. 69ACh. 32 - Prob. 70A
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