ASSOCIATE CET CERTIFICATION
TESTED QUESTIONS AND COMPLETE SOLUTIONS
Question 1.
An AC voltmeter will measure a non-sine wave signal accurately only if __________.
A. An extender resistor is used
B. It is an average reading meter
C. It is a true RMS meter
D. The signal crest factor is very high
ANSWER
C. It is a true RMS meter
Question 2.
Diodes are marked with a band at the __________ end.
A. Cathode
B. Anode
C. Center
D. Base element
ANSWER
A. Cathode
Question 3.
If an RF signal voltage is reduced by 6 dB, it is then:
A. 25% less
B. Half the original size
C. 75% less
D. Not the changed in voltage level
ANSWER
B. Half the original size
,Question 4.
The three Basic logic gates are __________.
A. AND, OR, NAND
B. AND, OR, NOT
C. NAND, NOR, Inverter
D. NAND, XOR,NOR
ANSWER
B. AND, OR, NOT
Question 5.
A trunk connects ____________.
A. Two telephone lines
B. Two central offices
C. Two conductors
D. Two area codes
ANSWER
B. Two central offices
Question 6.
A Logic 1, for a CMOS device is __________.
A. More than 1 volt
B. More than 1.5 volts
C. More than 2 volts
D. More than 3.5 volts
ANSWER
D. More than 3.5 volts
,Question 7.
When heated or cooled, a __________ emits a voltage.
A. Thermocouple
B. Therometer
C. Thermostat
D. Thermocline
ANSWER
A. Thermocouple
Question 8.
A x10 probe has what effect on circuit testing?
A. Increase circuit loading
B. Increases the signal level by 10 times
C. Lowers the effective input impedance
D. Decreases circuit loading
ANSWER
D. Decreases circuit loading
Question 9.
The velocity factor in a transmission line is:
A. Equal to the termination impedance
B. Determined by the line length
C. Increased by the distributed capacitance and inductance of the line
D. Compared to free space velocity
ANSWER
D. Compared to free space velocity
, Question 10.
What is the name of the diagram that shows all the general cable connections of a piece of
equipment?
A. Schematic diagram
B. Block diagram
C. Interconnect diagram
D. Parts list
ANSWER
C. Interconnect diagram
Question 11.
Given the following information about a common-emitter amplifier, a .01Vp-p input signal causes
transistor's base current to vary from 70μA to 50μA. This causes the collector current to vary from
3.5mA to 2.5mA through our 2.2kΩ load. Determine the dynamic current gain.
A. 10
B. 20
C. 50
D. 100
ANSWER
C. 50
Question 12.
Waveguides are not utilized at HF of VHF frequencies because:
A. Characteristic impedance is too high
B. Resistance to high frequencies is too high
C. Large waveguide dimensions required at lower frequencies are not practical
D. Grounding problems
ANSWER
C. Large waveguide dimensions required at lower frequencies are not practical
TESTED QUESTIONS AND COMPLETE SOLUTIONS
Question 1.
An AC voltmeter will measure a non-sine wave signal accurately only if __________.
A. An extender resistor is used
B. It is an average reading meter
C. It is a true RMS meter
D. The signal crest factor is very high
ANSWER
C. It is a true RMS meter
Question 2.
Diodes are marked with a band at the __________ end.
A. Cathode
B. Anode
C. Center
D. Base element
ANSWER
A. Cathode
Question 3.
If an RF signal voltage is reduced by 6 dB, it is then:
A. 25% less
B. Half the original size
C. 75% less
D. Not the changed in voltage level
ANSWER
B. Half the original size
,Question 4.
The three Basic logic gates are __________.
A. AND, OR, NAND
B. AND, OR, NOT
C. NAND, NOR, Inverter
D. NAND, XOR,NOR
ANSWER
B. AND, OR, NOT
Question 5.
A trunk connects ____________.
A. Two telephone lines
B. Two central offices
C. Two conductors
D. Two area codes
ANSWER
B. Two central offices
Question 6.
A Logic 1, for a CMOS device is __________.
A. More than 1 volt
B. More than 1.5 volts
C. More than 2 volts
D. More than 3.5 volts
ANSWER
D. More than 3.5 volts
,Question 7.
When heated or cooled, a __________ emits a voltage.
A. Thermocouple
B. Therometer
C. Thermostat
D. Thermocline
ANSWER
A. Thermocouple
Question 8.
A x10 probe has what effect on circuit testing?
A. Increase circuit loading
B. Increases the signal level by 10 times
C. Lowers the effective input impedance
D. Decreases circuit loading
ANSWER
D. Decreases circuit loading
Question 9.
The velocity factor in a transmission line is:
A. Equal to the termination impedance
B. Determined by the line length
C. Increased by the distributed capacitance and inductance of the line
D. Compared to free space velocity
ANSWER
D. Compared to free space velocity
, Question 10.
What is the name of the diagram that shows all the general cable connections of a piece of
equipment?
A. Schematic diagram
B. Block diagram
C. Interconnect diagram
D. Parts list
ANSWER
C. Interconnect diagram
Question 11.
Given the following information about a common-emitter amplifier, a .01Vp-p input signal causes
transistor's base current to vary from 70μA to 50μA. This causes the collector current to vary from
3.5mA to 2.5mA through our 2.2kΩ load. Determine the dynamic current gain.
A. 10
B. 20
C. 50
D. 100
ANSWER
C. 50
Question 12.
Waveguides are not utilized at HF of VHF frequencies because:
A. Characteristic impedance is too high
B. Resistance to high frequencies is too high
C. Large waveguide dimensions required at lower frequencies are not practical
D. Grounding problems
ANSWER
C. Large waveguide dimensions required at lower frequencies are not practical
