NACE CP1 QUIZZES, PRACTICAL EXAM
Questions and Answers
1. Ohm's Law relates the following...
ANS volts, amps, resistance
2. Resistance to current flow is lowest for
a) low conductivity media
b) small cross sectional area media
c)short length of conductor
d) high resistivity media
ANS c
3. In a series circuit
a) voltage drops are always equal
b) total resistance equals the sum of individual resistances
c)current varies through resistors
d) total current is equal to the sum of the current through each
resistor
ANS b
,4. According to Ohm's Law, an electrical circuit with a driving voltage
of 12 Volts and a resistance of 10 Ohms produces a current of...(Amps)
ANS 1.2 A
5. Kirchoff's Current Law
ANS the total current entering a circuit branch must equal the current leaving the branch
6. Kirchoff's Voltage Law
ANS the sum of the voltage drops in a series circuit must equal the circuit's total voltage
7. In a series electrical circuit
a) current is different across each resistor
b) Kirchoff's Voltage Law is obeyed
c)voltage is the same across each resistor
d) total resistance is the sum of the reciprocal of each resistance
ANS b
8. In a parallel electrical circuit
a) total resistance is the sum of all of the resistors
b) current is the same through each resistor
c)voltage is different across each resistor
, d) voltage is the same across each resistor
ANS d
9. The driving voltage of an electrical circuit with a resistance of 1
Ohm and 100 mA is...(Volts)
ANS 0.1 V
10. What is the total resistance in a series circuit consisting of
three resistances
1 Ohm, 2 Ohms, and 10 Ohms?
ANS 13 Ohms
11. If a resistance of 0.17 Ohms was measured across a
conductive material L = 1 m, D = 10 cm, what is its resistivity?
ANS 0.13 Ohm-cm
12. Cations are charged ions
ANS positively
13. Anions are charged ions
ANS negatively
14. Which of the follow is true about an electrochemical cell?
Questions and Answers
1. Ohm's Law relates the following...
ANS volts, amps, resistance
2. Resistance to current flow is lowest for
a) low conductivity media
b) small cross sectional area media
c)short length of conductor
d) high resistivity media
ANS c
3. In a series circuit
a) voltage drops are always equal
b) total resistance equals the sum of individual resistances
c)current varies through resistors
d) total current is equal to the sum of the current through each
resistor
ANS b
,4. According to Ohm's Law, an electrical circuit with a driving voltage
of 12 Volts and a resistance of 10 Ohms produces a current of...(Amps)
ANS 1.2 A
5. Kirchoff's Current Law
ANS the total current entering a circuit branch must equal the current leaving the branch
6. Kirchoff's Voltage Law
ANS the sum of the voltage drops in a series circuit must equal the circuit's total voltage
7. In a series electrical circuit
a) current is different across each resistor
b) Kirchoff's Voltage Law is obeyed
c)voltage is the same across each resistor
d) total resistance is the sum of the reciprocal of each resistance
ANS b
8. In a parallel electrical circuit
a) total resistance is the sum of all of the resistors
b) current is the same through each resistor
c)voltage is different across each resistor
, d) voltage is the same across each resistor
ANS d
9. The driving voltage of an electrical circuit with a resistance of 1
Ohm and 100 mA is...(Volts)
ANS 0.1 V
10. What is the total resistance in a series circuit consisting of
three resistances
1 Ohm, 2 Ohms, and 10 Ohms?
ANS 13 Ohms
11. If a resistance of 0.17 Ohms was measured across a
conductive material L = 1 m, D = 10 cm, what is its resistivity?
ANS 0.13 Ohm-cm
12. Cations are charged ions
ANS positively
13. Anions are charged ions
ANS negatively
14. Which of the follow is true about an electrochemical cell?
