Question 1

One of the most common uses for electroplating is the production of pure _____.

Accepted Answer

metals

Question 2

In an electroplating operation, what is he positive terminal called?

Accepted Answer

A)   anode
B)   cathode A

Question 3

What is the process of separating elements electrically?

Accepted Answer

A)   electroplating
B)   electrolysis
C)   ionizing B

Question 4

What is the most important factor in ionization of a gas?

Accepted Answer

A)   electrolysis
B)   electron impact
C)   ionization
D)   electroplating

Question 5

As the atmospheric pressure increases, the amount of voltage required to reach ionization potential _____.

Accepted Answer

A)   does not change
B)   doubles
C)   increases
D)   decreases

Question 6

What term refers to the amount of voltage an electron must possess to cause ionization?

Accepted Answer

A)   electrolysis point
B)   ion point
C)   electron impact
D)   ionization potential

Question 7

If a magnesium atom combines with two chlorine atoms, the result is _____.

Accepted Answer

A)   table salt
B)   sulfuric acid
C)   metallic salt
D)   alkali

Question 8

X-rays result when cathode rays strike _____.

Accepted Answer

A)   semiconductor
B)   metal
C)   gas
D)   liquid

Question 9

Lead-acid batteries use an electrolyte containing _____.

Accepted Answer

A)   cuprous cyanide
B)   table salt
C)   metallic salt
D)   sulfuric acid

Question 10

Who discovered and named X-rays?

Accepted Answer

A)   George Ohm
B)   Wilhelm Roentgen
C)   Gustav Kirchhoff
D)   J.J. Thomson

Question 11

A copper electroplating process sometimes uses a compound called _____.

Accepted Answer

A)   table salt
B)   copper sulfate
C)   sulfuric acid
D)   metallic salt

Question 12

Plating copper onto iron often involves a poisonous solid called _____.

Accepted Answer

A)   sulfuric acid
B)   table salt
C)   metallic salt
D)   cuprous cyanide

Question 13

The operating principles of the cathode-ray tube were discovered by _____.

Accepted Answer

A)   George Ohm
B)   Wilhelm Roentgen
C)   Gustav Kirchhoff
D)   J.J. Thomson

Question 14

An ion is an atom that has had a(n) _____ added or removed.

Accepted Answer

A)   electron
B)   neutron
C)   proton
D)   quark

Question 15

In an electroplating operation, what is the negative terminal called?

Accepted Answer

A)   anode
B)   cathode

Question 16

An electrolyte may be made from water and an additive such as salt, a(n) _____, or a(n) _____.

Accepted Answer

A)   acid; alkali
B)   base; acid
C)   cathode; anode
D)   anode; electrode

Question 17

What is the process of depositing one type of metal onto another using electricity?

Accepted Answer

A)   electrolysis
B)   electroplating
C)   electrolyte
D)   ionization

Question 18

Once an arc is started in a gas, the voltage required to maintain conduction is _____.

Accepted Answer

A)   the same
B)   one-half
C)   reduced
D)   double

Exam 12: Conduction in Liquids and Gases