Lesson 3
PRACTICE EXERCISE
1.
What is the EMF of an standard cell dependent upon?
a.
Electrolyte
b.
Electrode materials
c.
Shape of cell housing
d.
Electrolyte and electrode materials
2.
What are the two types of standard cells?
a.
Voltaic and saturated cell
b.
Voltaic and unsaturated cell
c.
Saturated and unsaturated cell
d.
Alkaline and mercury cell
3.
What is the absolute voltage range on new unsaturated cells?
a.
1.0190
to
1.0194
b.
1.0183
to
1.0184
c.
1.0910
to
1.0914
d.
1.0813
to
1.0814
4.
When connecting standard cells to the measuring system using
the
opposition measurement technique, what rule should be followed?
a.
The negative terminals of the stand cells should be connected
together
b.
The negative terminals of the standard cells should be connected
to the negative terminal of the measuring system
c.
The positive terminals of the standard cells should be connected
to the positive terminals of the measuring system
d.
Both b and c above
5.
You are measuring two standard cells using the opposition measurement
technique.
If the left cell is 1.018117 and the right cell is
1.018122, what voltage will be measured?
a.
+5
microvolts
b.
-5
microvolts
c.
+9
microvolts
d.
-9
microvolts
6.
What is the name of a group of cells used ONLY for maintaining the
volt in a calibration facility?
a.
Working group
b.
Calibration group
c.
Reference group
d.
Transport standard
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