If the phase angles of two sine waves are both 0 degrees, then the waves _____.
a. are in phase
b. are 90 degrees out of phase
c. have the same peak voltage
d. have the same amplitudes
a. are in phase
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According to the 2010/2011 Computer Crime and Security Survey, ____ is "the most commonly seen attack, with 67.1 percent of respondents reporting it."
A. denial-of-service B. malware infection C. unauthorized access D. inappropriate use
Freezers that freeze the product by dipping the food directly in the refrigerant are called:
A) Blast freezers. B) Conduction freezers. C) Immersion freezers. D) Cryogenic freezers.
An IAT is being tested. After the vehicle has been allowed to cool for several hours, a scan tool is used to observe the IAT sensor reading. When compared to the engine coolant temperature (ECT), the two temperatures should be within how many degrees F of each other:
A) 10 B) 25 C) 5 D) 15
What is the difference between heat loss and heat gain?
A) Heat loss occurs in well insulated houses, and heat gain occurs in poorly insulated houses. B) Heat loss occurs in poorly insulated houses, and heat gain occurs in well insulated houses. C) Heat loss occurs in the summer, and heat gain occurs in winter. D) Heat loss occurs in the winter, and heat gain occurs in summer.