NACE CP1 STUDY GUIDE TEST PAPER
QUESTIONS AND CORRECT ANSWERS
TESTED PREP MATERIAL
●● 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
Answer: b
●● 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)
Answer: 1.2 A
●● Kirchoff's Current Law
Answer: the total current entering a circuit branch must equal the current
leaving the branch
●● Kirchoff's Voltage Law
Answer: the sum of the voltage drops in a series circuit must equal the
circuit's total voltage
,●● 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
Answer: b
●● 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
Answer: d
●● The driving voltage of an electrical circuit with a resistance of 1
Ohm and 100 mA is...(Volts)
Answer: 0.1 V
●● What is the total resistance in a series circuit consisting of three
resistances: 1 Ohm, 2 Ohms, and 10 Ohms?
, Answer: 13 Ohms
●● If a resistance of 0.17 Ohms was measured across a conductive
material L = 1 m, D = 10 cm, what is its resistivity?
Answer: 0.13 Ohm-cm
●● Cations are _____ charged ions
Answer: positively
●● Anions are ______ charged ions
Answer: negatively
●● Which of the follow is true about an electrochemical cell?
a) as polarization decreases, current will decrease
b) as polarization increases, current will decrease
c) as polarization increases, there is no change in current
d) as polarization decreases, there is a decrease in driving voltage
Answer: b
●● Why does corrosion rate decrease as polarization increases?
Answer: polarization lowers potential difference between anode and
cathode, causing a reduction in corrosion current and corrosion rate
QUESTIONS AND CORRECT ANSWERS
TESTED PREP MATERIAL
●● 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
Answer: b
●● 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)
Answer: 1.2 A
●● Kirchoff's Current Law
Answer: the total current entering a circuit branch must equal the current
leaving the branch
●● Kirchoff's Voltage Law
Answer: the sum of the voltage drops in a series circuit must equal the
circuit's total voltage
,●● 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
Answer: b
●● 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
Answer: d
●● The driving voltage of an electrical circuit with a resistance of 1
Ohm and 100 mA is...(Volts)
Answer: 0.1 V
●● What is the total resistance in a series circuit consisting of three
resistances: 1 Ohm, 2 Ohms, and 10 Ohms?
, Answer: 13 Ohms
●● If a resistance of 0.17 Ohms was measured across a conductive
material L = 1 m, D = 10 cm, what is its resistivity?
Answer: 0.13 Ohm-cm
●● Cations are _____ charged ions
Answer: positively
●● Anions are ______ charged ions
Answer: negatively
●● Which of the follow is true about an electrochemical cell?
a) as polarization decreases, current will decrease
b) as polarization increases, current will decrease
c) as polarization increases, there is no change in current
d) as polarization decreases, there is a decrease in driving voltage
Answer: b
●● Why does corrosion rate decrease as polarization increases?
Answer: polarization lowers potential difference between anode and
cathode, causing a reduction in corrosion current and corrosion rate
