NACE CIP 1 Test Questions with Correct Answers
Routine monitoring of a cathodic protection system usually does NOT include:
A moisture content around the anodes B structure-to-electrolyte potentials C rectifier voltage and current output D interference control bond current
Correct Answer:
a
A galvanic anode that would NOT be used to provide CP to steel is:
A Magnesium B Aluminum C Zinc D Chromium
Correct Answer:
d
Galvanic anodes are generally used where
- small amounts of current are required
- larger amounts of current are required
- soil resistivity is high
- in large remote ground beds
Correct Answer:
a
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In a galvanic anode installation:
- the buried bare wire between the structure and the anode is protected
- the buried bare wire between the anode and the structure will corrode
- the uncoated exposed wire connection to the pipe will corrode
- the anode is backfilled in sand
Correct Answer:
a
Typically a constant voltage CP rectifier will NOT have:
- transformer
- transistor
- rectifying element
- voltage taps
Correct Answer:
b
In an impressed current system, which of the following connections are made?
- the structure is connected to the positive terminal
- the anodes are connected to the positive terminal
- the anodes are connected to the negative terminal
- either the anode or structure are connected to the positive terminal
Correct Answer:
b
PART OF WRITTEN EXAMINATION:
Cations:
- are positively charged ions
- have more electrons than protons
- have more electrons than neutrons
- are negatively charged ions
Correct Answer:
a
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PART OF WRITTEN EXAMINATION:
Anions:
- are positively charged ions
- have more protons than electrons
- have more protons neutrons
- are negatively charged ions
Correct Answer:
d
PART OF WRITTEN EXAMINATION:
Which of the following is true about an electrochemical corrosion cell:
- as polarization decreases current will decrease
- as polarization increases current will decrease
- as polarization increases there is no change in current
- as polarization decreases there is a decrease in voltage
Correct Answer:
b
PART OF WRITTEN EXAMINATION:
The weight of any material deposited on the cathode or released from the anode is:
- directly proportional to the amount of current flow
- directly proportional to the total resistance
- inversely proportional to the current flow
- inversely proportional to the resistance
Correct Answer:
a
PART OF WRITTEN EXAMINATION:
Oxidation
- increases the negative charge of an atom or compound
- decreases the positive charge of an atom or compound
- is independent of reduction
- occurs when the electrons are lost from an atom or compound
Correct Answer:
d
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PART OF WRITTEN EXAMINATION:
In an anodic process:
- positively charged ions leave the anode and enter the electrolyte
- Electrons flow through the electronic path cathode to anode
- negatively charged ions leave the anode and enter the electrolyte
- ions become atoms
Correct Answer:
a
Resistance is measured in
- ohms
- volts
- amperes
- Faradays
- joules
Correct Answer:
a
PART OF WRITTEN EXAMINATION:
In a corrosion cell, electrons flow in the direction of:
- anode to the cathode through the electroylte
- anode to the cathode through the metallic path
- cathode to the anode through the electrolyte
- cathode to the anode through the metallic path
Correct Answer:
Conventional current is in the direction of:
- anode to cathode through electrolyte
- anode to cathode through the metallic path
- cathode to anode through the electrolyte
- anode to cathode through the electronic path
Correct Answer:
a
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