The Associate CET Study Guide AST Practice Exam #1 -Questions and Answers

8.33 meters is the full wavelength in the air for what RF frequency? A. 72 MHz B. 83.3 MHz C. 36 MHz D. 16.66 C. 36 MHz Decimal 164 would appear as __________ in binary? A. B. C. D. B. A resistor has color stripes yellow, violet, violet, silver. It is: A. 46 MegOhm +/- 10% B. 470 MegOhm +/- 10% C. 37 MegOhm +/- 10% D. 48 kOhm +/- 5% B. 470 MegOhm +/- 10% Capacitors of 100pf, 100pf and 50pf connected in a series total for the circuit? A. 25 uf B. 250 uf C. 25 pf D. 250 pf C. 25 pf What is the ripple frequency of a full-wave single phase bridge rectifier operated at 60Hz? A. 180 Hz B. 90 Hz C. 360 Hz D. 120 Hz D. 120 Hz When heated or cooled, a __________ emits a voltage. A. Thermocouple B. Therometer C. Thermostat D. Thermocline A. Thermocouple Which wire size is physically largest? A. #8 B. #12 C. #16 D. #24 A. #8 Adding the binary numbers 101011 and 001110 will give you what result? A. 111001 B. 111111 C. 001010 D. 111011 A. 111001 A component that reduces in resistance as it is heated: A. Is a negative temperature coefficient thermistor B. Is a positive temperature coefficient thermistor C. Is a varactor D. Is a thermocouple A. Is a negative temperature coefficient thermistor An autotransformer: A. Has the secondary unattached to the primary B. Has a single winding C. Uses a core winding D. Uses a buck-boost coil B. Has a single winding