The architect/engineer relies on whom for assurance that the monthly estimate of work performed as submitted by the contractor is valid?
A. No one, the architect/engineer must verify this.
B. The contractor whose estimate is guaranteed by a bonding company.
C. The resident project representative.
D. The owner.
E. a notary public.
C
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The small intestine is composed of three parts: the duodenum, the ileum, and the ____.
A. large colon B. small colon C. cecum D. jejunum
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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In a move that backfired, Gorbachev tried to increase productivity by limiting sales of which commodity?
a. alcohol b. tobacco c. chairs d. chocolate
The orifice tube is usually located at the inlet tube to the ____________
A) Condenser B) Compressor C) Evaporator D) Receiver-drier