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Test your basic knowledge |
Electrical Components
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Current Consumption. The amount of amps or milliamps needed to maintain operation of a control or device.
Transducer
Quartz
Supply Current
National Fire Protection Association
2. Expressed in webers - it is the product of the average normal component of the magnetic intensity over a surface and the area of that surface.
Electromagnetic field
RTD
Latent heat
Magnetic Flux
3. A unit of electric charge. The amount of charge conveyed in one second by one ampere.
Mil
BTU
Quartz
Coulomb
4. A device having two terminals and has a low resistance to electrical current in one direction and a high resistance in the other direction.
Diode
Factory Mutual
Field-Effect Transistor (FET)
OR Logic
5. The rate of transfer of energy.
Grounded Conductor
Cycle
Electrolyte
Flux
6. Chemical changes and energy produced by electric currents.
Electrochemistry
Quap
VHF
International Organization for Standardization
7. MA; One thousandth of an amp.
American National Standards Institute
Milliamp
Break
Maximum Operating Temperature
8. NEC: A set of regulations pertaining to electrical installation and design in the interest of the protection of life and property. The NEC is adopted by NFPA and approved by ANSI. It is the preferred standard of guidelines used by most electrical reg
Q-value
National Electrical Code
Institute of Electrical and Electronics Engineers
Momentary switch
9. A fluctuation in the intensity of a steady current.
Ripple
Dilectric
Capacitor
Output
10. A unit of electrical current named after French physicist Andr
Kilovolt
Magnetic Flux
PID
Ampere
11. The rapid on/off cycling of a relay caused by improper signal or adjustment - faulty contacts - or other malfunction.
VOM
Chatter
Phase Proportioning
Grounding Conductor
12. FM; ~LINK~
Milliamp
Ampere
Quark
Factory Mutual
13. A full-wave rectifier where the diodes are connected in a bridge circuit. This allows the current to the load during both the positive and negative alternating of the supply voltage.
Direct Current
Flux
Bridge Rectifier
Microvolt
14. Symbol for Mega - one million.
Current
Hard Wired
Magnetic Blow-out Switch
M
15. A high-intensity incandescent lamp with a quartz bulb containing an inert gas of iodine or bromine vapor.
Environmental Protection Agency
Quartziodine Lamp
I
Flux
16. The opposition to electrical flow.
UHF
Impedance
System International
Vector
17. The increase of the power level - current or voltage of a signal. In an amplifier it is the ratio of the output to the input signal levels.
Absolute Zero
Gain
Time Delay Before Availability
Field-Effect Transistor (FET)
18. Intensity. The commonly used symbol used to represent Amperes when used in formulas. I = Intensity = Current = Amps = Amperes.
Charge
Electric circuit
I
Volt
19. Volt-ohm Meter.
Conductance
Amp
Electromagnet
VOM
20. To close an electrical circuit. To establish an electrical circuit through the closing of a contact - switch or other related device.
Make
Phase
Fluorescent
Electrodynamic
21. A hypothetical nuclear of a quark plus an antiproton.
Charge
Kilovolt amperes
Quap
Diode
22. An ionized gas containing about equal numbers of positive and negative charges - which is a good conductor of electricity - and is affected by a magnetic field.
Proximity Switch
Quap
Plasma
Power Dissipation
23. A panel meter with zero and span adjustments - commonly scaled for signals such as 1-5 volts - 4-20mA - etc.
XFMR
Process Meter
Alternating Current
Cathode
24. The conductor that is used by intent to connect the grounded circuit of an electrical wiring system or equipment to a grounding electrode with reference to earth.
Ohmeter
Working Standard
Grounding Conductor
Transducer
25. The element inside a vacuum tube - incandescent lamp or other similar device.
RTD
Thermoelectricity
Filament
Celsius
26. A full path of electrical current from a voltage source that passes completely from one terminal of the voltage source to another.
Infrared
Circuit
Frequency
Maximum Operating Temperature
27. The unit for capacitance. A capacitor that stored one coulomb of charge with one volt across it will have a value of one farad.
Magnetic Flux
Circuit
Farad
Transient Protection
28. The form of radiation used to make non-contact temperature measurements. In the electromagnetic spectrum it is the area beyond red light from 760 nanometers to 1000 microns.
Infrared
Bridge Rectifier
Resistance
Field cell
29. The standard that is used to make comparison measurements or calibrations.
PSIA
Working Standard
I
Watt
30. A meter used to measure electrical resistance in units of ohms.
Proximity Switch
Charge
Ohmeter
National Fire Protection Association
31. Variable Frequency.
BTU
Beta
Electrokinetics
VF
32. A unit of energy in solid-state physics with mass and momentum but that does not exist as a free particle.
Thermoelectricity
Quasiparticle
Transient
Filter
33. Very High Frequency.
Frequency
VHF
Conductance
Voltmeter
34. ISA;
Cycle Time
Microvolt
Volt
Instrument Society of America
35. The speed or time rate of change of displacement.
Velocity
Rectifier
Kilowatt Hour
RFI
36. A hypothetical basic subatomic nuclear particle believed to be the basic component of protons - neutrons - etc.
Frequency
Quark
Vacuum
Lag
37. The time based relationship between a reference and a periodic function.
Voltmeter
Millivolt
Phase
Grounded Conductor
38. The moving of electricity or heat through a conductor.
Conduction
Supply Voltage
Transient Protection
Canadian Standards Administration
39. A meter used to measure units of volts.
Quap
Watt
Voltmeter
Electrochemistry
40. In a temperature controller it is the output form that provides a current proportional to the amount of control that is required. Commonly it is the 4 to 20 milliamp current proportioning band that is used in the electronics industry.
Amp
Current Proportioning
Actuator
Quap
41. The rate at which electricity flows - measured in amperes - 1 ampere = 1 coulomb per second.
Mean Temperature
Relay
Break
Current
42. The magnitude and time phase of a quantity - represented by a plotted line.
Vector
CMV
Magnetic Field
Thermocouple
43. CSA ~LINK~
PID
Cathode
Canadian Standards Administration
Ohm
44. Normally Closed.
XFMR
N.C.
Triac
Time Delay Before Availability
45. A tube - pipe or trough that carries and protects electric wiring.
Break
Conduit
On/Off Controller
Thermocouple
46. An arrangement of any of various conductors through which electric current can flow from a supply current.
Cycle Time
Electric circuit
Latent heat
Latching logic
47. A solid-state switching device used in switching AC wave forms.
BTU
Volt
Triac
Zener Diode
48. The behavior of charged particles and the steady motion of charge in magnetic and electric fields.
Transient
Quantum
Grounded
Electrokinetics
49. The unit by which electrical resistance is measured. One ohm is equal to the current of one ampere which will flow when a voltage of one volt is applied
Ohm
Threshold Response
Field cell
Output
50. A circuit conductor that is grounded to become part of the electric circuit by design and intent.
Circuit
Leakage current
Grounded Conductor
Pulse