Page 1 of 51
SACA 201 Silver (2 VERSIONS) ALL 250
QUESTIONS AND VERIFIED SOLUTIONS
LATEST UPDATE THIS YEAR
Constant voltage power supplies will maintain a constant voltage output under varying
__________.
Loads
Weather conditions
Levels of light
Chemical reactions
Loads
A knife switch consists of a lever and one or more sets of __________.
Conductors
Operators
Knives
Contacts
Contacts
The electrical wall outlets at home are a source of __________ current.
Direct
Alternating
1
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Both direct and alternating
None of the above
Alternating
A(n) __________ determines if electricity is present in a circuit.
Ohmmeter
Circuit tester
Ammeter
Solenoid
Circuit tester
A simple method for opening or closing a circuit is to use a __________.
Switch
Knife
Screwdriver
None of the above
Switch
Alternating current is one type of electrical current; what is the other type?
In-rush current
River current
Direct current
Unaltered current
2
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Direct current
The contacts of a(n) __________ switch are open until acted on by the operator.
Normally closed
Adjacent
Normally open
Normally simulated
Normally open
Electricity is the flow of __________ in a conductor.
Protons
Neutrons
Electrons
Photons
Electrons
Rotary motion is the output of which electrical output device?
Buzzer
Resistor
Motor
Solenoid
Motor
3
, Page 4 of 51
Which of the following is true of an electrical schematic diagram?
Represents components with standard symbols.
Shows how the components are interconnected.
Is helpful in troubleshooting a circuit.
All of the above
All of the above
Which of the following is a manually operated switch?
Pushbutton switch
Selector switch
Knife switch
All of the above
All of the above
Which of the following is not a component of a basic electrical circuit?
Input device
Output device
Insulator
Power supply
Power supply
Which of the following is an electrical output device?
Motor
4
SACA 201 Silver (2 VERSIONS) ALL 250
QUESTIONS AND VERIFIED SOLUTIONS
LATEST UPDATE THIS YEAR
Constant voltage power supplies will maintain a constant voltage output under varying
__________.
Loads
Weather conditions
Levels of light
Chemical reactions
Loads
A knife switch consists of a lever and one or more sets of __________.
Conductors
Operators
Knives
Contacts
Contacts
The electrical wall outlets at home are a source of __________ current.
Direct
Alternating
1
, Page 2 of 51
Both direct and alternating
None of the above
Alternating
A(n) __________ determines if electricity is present in a circuit.
Ohmmeter
Circuit tester
Ammeter
Solenoid
Circuit tester
A simple method for opening or closing a circuit is to use a __________.
Switch
Knife
Screwdriver
None of the above
Switch
Alternating current is one type of electrical current; what is the other type?
In-rush current
River current
Direct current
Unaltered current
2
, Page 3 of 51
Direct current
The contacts of a(n) __________ switch are open until acted on by the operator.
Normally closed
Adjacent
Normally open
Normally simulated
Normally open
Electricity is the flow of __________ in a conductor.
Protons
Neutrons
Electrons
Photons
Electrons
Rotary motion is the output of which electrical output device?
Buzzer
Resistor
Motor
Solenoid
Motor
3
, Page 4 of 51
Which of the following is true of an electrical schematic diagram?
Represents components with standard symbols.
Shows how the components are interconnected.
Is helpful in troubleshooting a circuit.
All of the above
All of the above
Which of the following is a manually operated switch?
Pushbutton switch
Selector switch
Knife switch
All of the above
All of the above
Which of the following is not a component of a basic electrical circuit?
Input device
Output device
Insulator
Power supply
Power supply
Which of the following is an electrical output device?
Motor
4
