Associate CET Practice Exam #1 well
answered to pass
8.33 meter is the full wavelength in air for what RF frequency? - correct answer ✔✔36 MHz
F=C/L
F=speed of light/wave length
F=299,792,458/8.33
Decimal 164 would appear as ___ in binary? - correct answer ✔✔10100100
Step 1: Divide (164)10 successively by 2 until the quotient is 0
Step 2: Read from the bottom (MSB) to top (LSB) as 10100100. This is the binary equivalent of
decimal number 164
A resistor has color stripes yellow, violet,violet,silver. It is: - correct answer ✔✔470 MOhm +/-
10%
What is the total capacitance of three capacitors valued at 100pf, 100pf and 50pf when
connected in series? - correct answer ✔✔25pf
Reciprocal method:
(1/100)+(1/100)+(2/100)=(4/100)
Invert:
(100/4)=25
, What is the ripple frequency of a full-wave single phase bridge rectifier operated at 60Hz? -
correct answer ✔✔120Hz
Duble
When heated or cooled, a ____ emits a voltage. - correct answer ✔✔Thermocouple
Which wire size is physically largest? - correct answer ✔✔#8
the smallest number is bigger
Adding the binary numbers 101011 and 001110 will give you what result? - correct answer
✔✔111001
Rules:
0+0=0
0+1=1
1+0=1
1 + 1 = 0, carry over the 1, i.e. 10
A component that reduces in resistance as it is heated - correct answer ✔✔A negative
temperature coefficient thermistor
An autotransformer: - correct answer ✔✔has a single winding
A dual trace oscilloscope differs from a single trace in that only the dual trace scope: - correct
answer ✔✔Alternates sweeps
If an RF signal voltage is reduced by 6dB, it is then: - correct answer ✔✔half of the original size
answered to pass
8.33 meter is the full wavelength in air for what RF frequency? - correct answer ✔✔36 MHz
F=C/L
F=speed of light/wave length
F=299,792,458/8.33
Decimal 164 would appear as ___ in binary? - correct answer ✔✔10100100
Step 1: Divide (164)10 successively by 2 until the quotient is 0
Step 2: Read from the bottom (MSB) to top (LSB) as 10100100. This is the binary equivalent of
decimal number 164
A resistor has color stripes yellow, violet,violet,silver. It is: - correct answer ✔✔470 MOhm +/-
10%
What is the total capacitance of three capacitors valued at 100pf, 100pf and 50pf when
connected in series? - correct answer ✔✔25pf
Reciprocal method:
(1/100)+(1/100)+(2/100)=(4/100)
Invert:
(100/4)=25
, What is the ripple frequency of a full-wave single phase bridge rectifier operated at 60Hz? -
correct answer ✔✔120Hz
Duble
When heated or cooled, a ____ emits a voltage. - correct answer ✔✔Thermocouple
Which wire size is physically largest? - correct answer ✔✔#8
the smallest number is bigger
Adding the binary numbers 101011 and 001110 will give you what result? - correct answer
✔✔111001
Rules:
0+0=0
0+1=1
1+0=1
1 + 1 = 0, carry over the 1, i.e. 10
A component that reduces in resistance as it is heated - correct answer ✔✔A negative
temperature coefficient thermistor
An autotransformer: - correct answer ✔✔has a single winding
A dual trace oscilloscope differs from a single trace in that only the dual trace scope: - correct
answer ✔✔Alternates sweeps
If an RF signal voltage is reduced by 6dB, it is then: - correct answer ✔✔half of the original size
