When preparing the end of a piece of pipe for a Lokring® compression fitting, the end must be sanded the length of _____ pipe diameters from the end of the pipe.
a. 1/2
b. 1-1/2
c. 2
d. 2-1/2
b. 1-1/2
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Figure 13.13 represents a tower crane used by Tomas J. Contracting to handle materials at construction sites. The weight, W, is hoisted to the desired height and then moved along the boom AE from 6 ? x ? 86. The counterweight, CW, weighs 8 500 lbm, and the crane motor and cab weigh 2 400 lbm acting at B. The crane structure weighs 5 500 lbm and can be considered to be acting at G.
Pins at C and D secure the crane base. gL = 32.174 0 ft/s².
(a) If the weight to be lifted, W, is
3 200 lbm, plot the reactions at C and D versus the distance x.
(b) Find the points where the loads at C and D are maximum and size the pins required. Each pin is in double shear and is made from stainless steel with a factor of safety of 5.0 based on ultimate strength.
(c) If the load, W, is increased to 4 200 lbm, determine if this load can be lifted safely with the pin sizes calculated and, if so, the range of x for which it is possible.
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Lungless salamanders breathe through their skin and _____
Fill in the blank(s) with correct word
Which component is typically found in an ice merchandiser with cold-wall construction?
a. Plate evaporator b. Defrost heater c. Defrost timer d. Evaporator fan
It costs $120 for 10 feet of 4" conduit. What will it cost for 50 feet of 4" conduit?
Fill in the blank(s) with the appropriate word(s).