MSSC MAINTENANCE AWARENESS REVIEW EXAMS
QUESTIONS AND ANSWERS SURE A+
✔✔A knife switch consists of a lever and one or more sets of __________. -
✔✔contacts
✔✔The component of an electrical circuit that gives the operator control is the
__________. - ✔✔input device
✔✔The type of current that only flows in one direction is __________. - ✔✔DC
✔✔Constant voltage power supplies will maintain a constant voltage under varying
__________. - ✔✔loads
✔✔10mA would be an example of __________ value. - ✔✔current
✔✔A(n) __________ is used to measure resistance. - ✔✔ohmmeter
✔✔Voltage is a(an) electrical __________. - ✔✔force
✔✔If a wire has continuity, it__________. - ✔✔will have almost no resistance
✔✔Current in a __________ circuit is divided among the branches of the circuit. -
✔✔parallel
✔✔As branches are added to a parallel circuit the resistance __________. -
✔✔decreases
✔✔A multimeter is a multipurpose device that can measure _________. - ✔✔voltage,
current, and resistance
, ✔✔In a parallel circuit with a constant voltage power supply, the voltage drop across
each branch is __________. - ✔✔equal to the power supply voltage
✔✔A(n) __________ circuit is one in which there is more than one path for current to
travel. - ✔✔parallel
✔✔An ammeter is used to measure __________. - ✔✔current
✔✔The two ways to measure voltage are __________ and __________. - ✔✔across a
component, from a reference
✔✔Both analog and digital voltmeters measure __________. - ✔✔potential difference
✔✔When current in a circuit is too high, it is usually the result of too many loads or a
__________. - ✔✔short circuit
✔✔Electrical wiring that runs in exposed locations must be protected by pipe or tubing
called __________. - ✔✔conduit
✔✔The total power in __________ electrical circuit is calculated by finding the sum of
the individual component power consumption. - ✔✔any
✔✔The amount two electrical waveforms are out of phase is measured in __________.
- ✔✔degrees
✔✔The Ohm's Law formula for calculating voltage is __________. -
✔✔E=I(current)*R(resistance)
✔✔What is the power formula? - ✔✔P = I(current)*E(voltage)
✔✔The type of overload protection that protects the motor by disconnecting it physically
instead of electrically is a(n) __________. - ✔✔overload clutch
✔✔The measure of energy consumed by a circuit is called __________. - ✔✔power
✔✔The power is connected to a single phase motor using __________ lines. - ✔✔2
✔✔Kirchoff's Voltage Law for a series circuit shows that the total voltage dropped in a
series circuit is equal to the __________ of the individual voltage drops. - ✔✔sum
✔✔The difference between a fuse and a circuit breaker is __________. - ✔✔circuit
breakers can be reset and used again
QUESTIONS AND ANSWERS SURE A+
✔✔A knife switch consists of a lever and one or more sets of __________. -
✔✔contacts
✔✔The component of an electrical circuit that gives the operator control is the
__________. - ✔✔input device
✔✔The type of current that only flows in one direction is __________. - ✔✔DC
✔✔Constant voltage power supplies will maintain a constant voltage under varying
__________. - ✔✔loads
✔✔10mA would be an example of __________ value. - ✔✔current
✔✔A(n) __________ is used to measure resistance. - ✔✔ohmmeter
✔✔Voltage is a(an) electrical __________. - ✔✔force
✔✔If a wire has continuity, it__________. - ✔✔will have almost no resistance
✔✔Current in a __________ circuit is divided among the branches of the circuit. -
✔✔parallel
✔✔As branches are added to a parallel circuit the resistance __________. -
✔✔decreases
✔✔A multimeter is a multipurpose device that can measure _________. - ✔✔voltage,
current, and resistance
, ✔✔In a parallel circuit with a constant voltage power supply, the voltage drop across
each branch is __________. - ✔✔equal to the power supply voltage
✔✔A(n) __________ circuit is one in which there is more than one path for current to
travel. - ✔✔parallel
✔✔An ammeter is used to measure __________. - ✔✔current
✔✔The two ways to measure voltage are __________ and __________. - ✔✔across a
component, from a reference
✔✔Both analog and digital voltmeters measure __________. - ✔✔potential difference
✔✔When current in a circuit is too high, it is usually the result of too many loads or a
__________. - ✔✔short circuit
✔✔Electrical wiring that runs in exposed locations must be protected by pipe or tubing
called __________. - ✔✔conduit
✔✔The total power in __________ electrical circuit is calculated by finding the sum of
the individual component power consumption. - ✔✔any
✔✔The amount two electrical waveforms are out of phase is measured in __________.
- ✔✔degrees
✔✔The Ohm's Law formula for calculating voltage is __________. -
✔✔E=I(current)*R(resistance)
✔✔What is the power formula? - ✔✔P = I(current)*E(voltage)
✔✔The type of overload protection that protects the motor by disconnecting it physically
instead of electrically is a(n) __________. - ✔✔overload clutch
✔✔The measure of energy consumed by a circuit is called __________. - ✔✔power
✔✔The power is connected to a single phase motor using __________ lines. - ✔✔2
✔✔Kirchoff's Voltage Law for a series circuit shows that the total voltage dropped in a
series circuit is equal to the __________ of the individual voltage drops. - ✔✔sum
✔✔The difference between a fuse and a circuit breaker is __________. - ✔✔circuit
breakers can be reset and used again
