An architect estimates that is will take 50 hours to complete a proposed design for a customer. The architect completes the design in 45 hours. The actual amount is within what percent of accuracy of the estimate?
What will be an ideal response?
10%
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Water at 28°C flows in a straight horizontal pipe in which there is no exchange of either heat or work with the surroundings. Its velocity is 
in a pipe with an internal diameter of 2.5 cm until it flows into a section where the pipe diameter abruptly increases. What is the temperature change of the water if the downstream diameter is 3.8 cm? If it is 7.5 cm? What is the maximum temperature change for an enlargement in the pipe?
What will be an ideal response?
There are several reasons butt welds may be made as ____.
A. horizontal welds B. spot welds C. intermittent welds D. plug welds
A(n) ____________________ is used when sealing irregular surfaces.
Fill in the blank(s) with the appropriate word(s).
The splash shield is a component of which type brake assembly?
A) Drum B) Parking brake C) Disc D) None of these