Multiple Choice Questions on

Corrosion Kinetics

Page 3 of 3

12.

At higher current densities, the reduction process is under

[  ]

activation control

[  ]

concentration control

[  ]

mixed control

13.

The concentration polarization is increased by

[  ]

an increase in temperature

[  ]

decreased salt concentration

[  ]

increased velocity

[  ]

slow stirring

14.

Concentration polarization at the anode can be ignored because

[  ]

there is an insufficient supply of ions at the anode

[  ]

there is a plentiful supply of ions at the anode

15.

Activation polarization increase with

[  ]

an increase in pH

increasing temperature

increasing pressure

[  ]

decreasing temperature