Why is important that a company desiring to bid on a project have both a complete set of drawings and a copy of the specifications?
What will be an ideal response?
Each provides information different from the other. Drawings provide mostly quantity information. Specifications provide quality information as well as sources, techniques, and important dates.
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When air enters a compressor at pressure and leaves at pressure
, the intermediate pressure is given by
. Assume that
= 10.1 ± 0.3 MPa and
= 20.1 ± 0.4 MPa.
a. Estimate , and find the uncertainty in the estimate.
b. Which would provide a greater reduction in the uncertainty in : reducing the uncertainty in
to 0.2 MPa or reducing the uncertainty in
to 0.2 MPa?
A construction management company is examining its cash flow requirements for the next 7 years. The company expects to replace software and in-field computing equipment at various times over a 7year planning period. Specifically, the company expects to spend $6000 one year from now, $9000 three years from now, and $10,000 each year in years 6 through 10. What is the future worth in year 10 of the planned expenditures, at an interest rate of 12% per year?
What will be an ideal response?
A crucial requirement whenever a rooftop installation is considered is:
A) That rooftop units can only be installed on flat roofs. B) To ensure that the roof structure can support the weight of the equipment. C) That a power drop can be made directly from the utility pole to the unit. D) To ensure that the unit cannot be seen from the front of the building.
Describe and give an example of numbered screw threads.
What will be an ideal response?