If a 1 MHz carrier is amplitude modulated with a 7 KHz signal what are the frequency components (upper and lower side bands)?
A) 140 KHz and 280 KHz B) 14 KHz and 28 KHz
C) 1.07 MHz and 1.7 MHz D) 1.007 MHz and 993 KHz
D
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A plug gage tapers 3.10 mm along a 38.00 mm length as shown in the accompanying figure. Determine the amount of taper in a workpiece whose thickness is 21.88 mm. Give your answer in millimeters to two decimal places.
A. 1.56 B. 1.78 C. 1.88 D. 1.90
Should combustion air be heated in the winter?
A) Yes, if there is danger of freezing piping in the boiler room. B) No, because there is sufficient heat in the room to prevent the need for heating the air. C) No, because it reduces overall efficiency of the boiler plant.
The aster family includes the _____ genera
A) cabbage B) silver mound C) pine tree D) poppy
What is the significance of the H and X terminals in a transformer?
What will be an ideal response?