955 UPDATED ACTUAL FINAL PAPER QUESTIONS AND
ANSWERS MARKED A+
✔✔What does a clutch allow for? - ✔✔Engaging and disengaging
✔✔What are the parts to a motor? - ✔✔Armature, Field magnet, Commutator, Brushes
✔✔Force is defined as any action that tends to produce or modify - ✔✔Motion
✔✔How is "chatting" eliminated on an electrical motor braking system? - ✔✔Adjusting
the gap
✔✔What type of gear has helical shaped teeth? - ✔✔Helical Gear
✔✔What is a idler gear used for? - ✔✔To change directions of spin
✔✔What mechanical device can be used to create oscillating motion? - ✔✔A cam
✔✔What are the parts of a lever? - ✔✔Resistance, fulcrum, work, load, pivot, effort.
✔✔Potential energy is what? - ✔✔stored energy
✔✔Electricity is the flow of what? - ✔✔electrons
✔✔What is the measuring unit name of a current? - ✔✔Ampere
✔✔What are the formulas for Ohm's law? - ✔✔V = IR, I= V/R, R= V/I
✔✔A capacitor blocks and passes what? - ✔✔Blocks DC, and passes AC
✔✔An electrical magnetic device which pulls in a plunger is called what? - ✔✔Solenoid
✔✔What device converts electrical energy into mechanical energy? - ✔✔motor
✔✔What device converts mechanical energy into electrical energy? - ✔✔generator
✔✔What converts one type of energy into another? - ✔✔Transducer
✔✔What type of current is commonly applied to a transformer? - ✔✔AC
✔✔Why is a capacitor used across the contacts of a relay? - ✔✔Prevent arching
, ✔✔Why is a diode used across the coil of a relay? - ✔✔Prevents De-energizing coil
voltage from being reintroduced into the line
✔✔When installing an electrolytic capacitor in a circuit, what precaution must be
observed? - ✔✔Polarity
✔✔Current in a series circuit at any point is what? - ✔✔The same
✔✔What 3 processes may heat be transferred by? - ✔✔Convection, conduction,
radiation
✔✔Heat intensity is measured in ____. - ✔✔Temperature
✔✔Other than safety concerns, what could happen when replacing a 2amp fuse with a
4 amp fuse? - ✔✔Serious damage to the circuit
✔✔What should be the color of the grounding wire for fixed equipment? - ✔✔Green
✔✔Voltage drops in what kind of circuit? - ✔✔Series
✔✔What type of extinguisher should NOT be used on flammable liquid fires? - ✔✔Class
A
✔✔Which saw should you use when cutting around inside corners in metal framework?
- ✔✔Sabre
✔✔When working on a capacitor, remove power to the equipment and do what to the
capacitor? - ✔✔Short to chassis
✔✔What unit defines current flow in an electrical circuit? - ✔✔Amperes
✔✔What does a rectifier change? - ✔✔AC to DC
✔✔In AC circuits what is the purpose of the inductors? - ✔✔To limit current
✔✔What is the difference between transistor circuits and equivalent vacuum tube
circuits? - ✔✔Consumes less power
✔✔What is the name of a circuit designed to increase the current, voltage or power of a
signal? - ✔✔Amplifier
✔✔What is a toothed belt used for? - ✔✔Timing
ANSWERS MARKED A+
✔✔What does a clutch allow for? - ✔✔Engaging and disengaging
✔✔What are the parts to a motor? - ✔✔Armature, Field magnet, Commutator, Brushes
✔✔Force is defined as any action that tends to produce or modify - ✔✔Motion
✔✔How is "chatting" eliminated on an electrical motor braking system? - ✔✔Adjusting
the gap
✔✔What type of gear has helical shaped teeth? - ✔✔Helical Gear
✔✔What is a idler gear used for? - ✔✔To change directions of spin
✔✔What mechanical device can be used to create oscillating motion? - ✔✔A cam
✔✔What are the parts of a lever? - ✔✔Resistance, fulcrum, work, load, pivot, effort.
✔✔Potential energy is what? - ✔✔stored energy
✔✔Electricity is the flow of what? - ✔✔electrons
✔✔What is the measuring unit name of a current? - ✔✔Ampere
✔✔What are the formulas for Ohm's law? - ✔✔V = IR, I= V/R, R= V/I
✔✔A capacitor blocks and passes what? - ✔✔Blocks DC, and passes AC
✔✔An electrical magnetic device which pulls in a plunger is called what? - ✔✔Solenoid
✔✔What device converts electrical energy into mechanical energy? - ✔✔motor
✔✔What device converts mechanical energy into electrical energy? - ✔✔generator
✔✔What converts one type of energy into another? - ✔✔Transducer
✔✔What type of current is commonly applied to a transformer? - ✔✔AC
✔✔Why is a capacitor used across the contacts of a relay? - ✔✔Prevent arching
, ✔✔Why is a diode used across the coil of a relay? - ✔✔Prevents De-energizing coil
voltage from being reintroduced into the line
✔✔When installing an electrolytic capacitor in a circuit, what precaution must be
observed? - ✔✔Polarity
✔✔Current in a series circuit at any point is what? - ✔✔The same
✔✔What 3 processes may heat be transferred by? - ✔✔Convection, conduction,
radiation
✔✔Heat intensity is measured in ____. - ✔✔Temperature
✔✔Other than safety concerns, what could happen when replacing a 2amp fuse with a
4 amp fuse? - ✔✔Serious damage to the circuit
✔✔What should be the color of the grounding wire for fixed equipment? - ✔✔Green
✔✔Voltage drops in what kind of circuit? - ✔✔Series
✔✔What type of extinguisher should NOT be used on flammable liquid fires? - ✔✔Class
A
✔✔Which saw should you use when cutting around inside corners in metal framework?
- ✔✔Sabre
✔✔When working on a capacitor, remove power to the equipment and do what to the
capacitor? - ✔✔Short to chassis
✔✔What unit defines current flow in an electrical circuit? - ✔✔Amperes
✔✔What does a rectifier change? - ✔✔AC to DC
✔✔In AC circuits what is the purpose of the inductors? - ✔✔To limit current
✔✔What is the difference between transistor circuits and equivalent vacuum tube
circuits? - ✔✔Consumes less power
✔✔What is the name of a circuit designed to increase the current, voltage or power of a
signal? - ✔✔Amplifier
✔✔What is a toothed belt used for? - ✔✔Timing
