Which of the following best explains how Doppler-effect is used to determine relative velocity?
A. Analysis of radiated light waves
B. Frequency shift analysis
C. Bouncing sonar signals
D. Measuring amplitude deterioration
Answer: B
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Research and write a report of approximately 250 words describing the correct procedure for scaling a drawing using your CADD system. Prepare a PowerPoint presentation of your research and present the slide show to your class or office.
Follow the specific instructions to complete each problem. What will be an ideal response?
A modified-bitumen sheet may also be torch applied in place of mopping of hot asphalt. Which of the two bitumen sheets?SBS-modified bitumen sheet or APP-modified bitumen sheet?is generally torch-applied?
What will be an ideal response?
All of the following statements about bench bleeding master cylinders are true EXCEPT:
A. Bench bleeding removes the air. B. Bench bleeding is most effective when the fluid is allowed to squirt out into the bench. C. Bench bleeding prefills the master cylinder. D. Bench bleeding reduces the amount of bleeding that needs to be done on the vehicle.
Foaming on the water surface of a steam boiler is a condition caused by _____
a. salt and mineral deposits b. colloidal substances and/or electrolytes c. oil, grease, and/or sediment d. dissolved oxygen and amides