In a sound absorption type muffler, what is sonic energy converted to?
A. friction, then heat
B. mechanical vibration
C. pressure
D. noise
Answer: A
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Name the dimensioning practice where angular dimensions locate features from planes or centerlines, and a linear and angular dimension is used to specify the feature location from surfaces or centerlines.
What will be an ideal response?
Deavyanne Johnston, the engineering manager at TZO Chemicals, is conducting an evaluation of alternatives based on ROR. She was given the following data and told that due to the unusually large number of investment opportunities the company now has, all future projects must have a ROR that is at least 12.5% above the company’s weighted average cost of capital on an after-tax basis. If the company’s effective tax rate is 32%, what is the after-tax MARR she should use in her evaluation?
What will be an ideal response?
Vertical slipforming is used primarily for structures with a height greater than _____.
a. 100 feet b. 80 feet c. 50 feet d. 40 feet
How does accumulated dirt on the condenser coil affect system operation?
A) Condenser pressure and temperature drop. B) Raises the condenser pressure and temperature C) Condenser temperature drops but pressure rises. D) Condenser pressure drops but temperature rises.