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WorksheetsM3 Cat A recap
Total questions: 11
Worksheet time: 4mins
Name
Class
Date
1.
In AC, what is the Peak Voltage?
a)
The peak voltage is the positive (or negative) maximum voltage.
b)
The peak voltage is the positive maximum voltage only.
c)
The peak voltage is the negative maximum voltage only.
2.
What is the unit for the number of cycles per second of an AC supply?
a)
Volts (V)
b)
Watts (W)
c)
Hertz (Hz)
3.
What are the two different voltages that can be supplied by a standard three phase system?
a)
115V and 200V
b)
200V and 240V
c)
115V and 28V DC
4.
What is the angle between the three individual phases in a three phase system?
a)
90 degrees
b)
120 degrees
c)
180 degrees
5.
What is the number of sine waves cycles per second called in AC?
a)
Mircowave
b)
Frequency
c)
Voltage
6.
What is meant by the term RMS?
a)
RMS is the abbreviation for Real Metric System used to measure the voltage in an AC circuit.
b)
RMS is the abbreviation for Real Measurement System used to measure the voltage in an AC circuit.
c)
RMS is the abbreviation for Root Mean Squared.
7.
Which statement is correct for Nickel Cadmium cells?
a)
They have a voltage of 2 V which will fall to 1.83 V when discharged.
b)
They have a voltage of 3.5 V which will fall to 3 V when discharged.
c)
They have a voltage of 1.2 V which will fall to 1 V when discharged.
8.
Which statement is true for Galvanic cells?
a)
Primary cells need to be charged before use.
b)
Primary cells cannot be recharged.
c)
Primary cells can only be connected in series.
9.
Aircraft storage batteries are normally of what type?
a)
Lead Acid or Nickel Cadmium.
b)
Lead Acid or Zinc-Carbon.
c)
Nickel Cadmium or Zinc-Carbon.
10.
What are the characteristics of a secondary cell?
a)
It cannot be recharged.
b)
It can be recharged.
c)
It supplies less voltage when connected in series.
11.
A primary battery requires charging before its first use.
True or false?
a)
True
b)
False
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