CETA EXAM LATEST
A PLL or phase locked loop circuit, contains a VCO, or voltage
controlled oscillator. The output of the VCO is an: - ANSWERS-AC
changing frequency signal
A variable capacitor depends on: - ANSWERS-the plate separation
being adjustable
While anode and cathode voltages are maintained the gate level in an
SCR drops below the trigger point. What happens? - ANSWERS-The
SCR stays on
The combination of resistance and reactance which restricts the flow of
alternating current is called: - ANSWERS-Impedance
The output of a thermocouple would most likely be measured in: -
ANSWERS-millivolts
The Z axis on an oscilloscope is: - ANSWERS-intensity
When soldering transistor or IC chip legs. What should be used to
prevent overheating of the small discrete components/ - ANSWERS-
heat sink clip
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1
, CETA EXAM LATEST
Which of the below would normally be used for the core of a
transformer? - ANSWERS-Ferrite
The '1' in binary number 100000 carries a weight of: - ANSWERS-32
You would choose an LCD if you needed: - ANSWERS-a low current
digital display
Germanium diodes: - ANSWERS-normally drop about .3V with forward
current
RF signal propagation that is normally considered "live of sight" would
be: - ANSWERS-UHF
8.33 meters is the full wavelength in air for what RF frequency? -
ANSWERS-36 MHz
Decimal 164 would appear as what in binary? - ANSWERS-10100100
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2
, CETA EXAM LATEST
A resistor has color stripes yellow, violet, violet, silver. It is? -
ANSWERS-470 MegOhm +/- 10%
What is the total capacitance of three capacitors valued at 100uf, 100uf
and 50uf when connected in series? - ANSWERS-25 pf
What is the ripple frequency of a full wave single phase bridge rectifier
operated at 60 Hz? - ANSWERS-120 Hz
What emits a voltage when heated or cooled? - ANSWERS-
Thermocouple
Adding the binary numbers 101011 and 001110 will give you what
result? - ANSWERS-111001
A component that reduces in resistance as it is heated. - ANSWERS-A
negative temperature coefficient thermistor
An autotransformer - ANSWERS-has a single winding
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3
A PLL or phase locked loop circuit, contains a VCO, or voltage
controlled oscillator. The output of the VCO is an: - ANSWERS-AC
changing frequency signal
A variable capacitor depends on: - ANSWERS-the plate separation
being adjustable
While anode and cathode voltages are maintained the gate level in an
SCR drops below the trigger point. What happens? - ANSWERS-The
SCR stays on
The combination of resistance and reactance which restricts the flow of
alternating current is called: - ANSWERS-Impedance
The output of a thermocouple would most likely be measured in: -
ANSWERS-millivolts
The Z axis on an oscilloscope is: - ANSWERS-intensity
When soldering transistor or IC chip legs. What should be used to
prevent overheating of the small discrete components/ - ANSWERS-
heat sink clip
END OF
PAGE
1
, CETA EXAM LATEST
Which of the below would normally be used for the core of a
transformer? - ANSWERS-Ferrite
The '1' in binary number 100000 carries a weight of: - ANSWERS-32
You would choose an LCD if you needed: - ANSWERS-a low current
digital display
Germanium diodes: - ANSWERS-normally drop about .3V with forward
current
RF signal propagation that is normally considered "live of sight" would
be: - ANSWERS-UHF
8.33 meters is the full wavelength in air for what RF frequency? -
ANSWERS-36 MHz
Decimal 164 would appear as what in binary? - ANSWERS-10100100
END OF
PAGE
2
, CETA EXAM LATEST
A resistor has color stripes yellow, violet, violet, silver. It is? -
ANSWERS-470 MegOhm +/- 10%
What is the total capacitance of three capacitors valued at 100uf, 100uf
and 50uf when connected in series? - ANSWERS-25 pf
What is the ripple frequency of a full wave single phase bridge rectifier
operated at 60 Hz? - ANSWERS-120 Hz
What emits a voltage when heated or cooled? - ANSWERS-
Thermocouple
Adding the binary numbers 101011 and 001110 will give you what
result? - ANSWERS-111001
A component that reduces in resistance as it is heated. - ANSWERS-A
negative temperature coefficient thermistor
An autotransformer - ANSWERS-has a single winding
END OF
PAGE
3
