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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. A variable resistor.
Gain
Triac
Rheostat
Supply Voltage
2. The current that is gained by a transistor when it is connected in a common emitter circuit.
Amplifier
Microvolt
Beta
Grounded Conductor
3. Resistance Temperature Detector.
Quasiparticle
Velocity
Field cell
RTD
4. CSA ~LINK~
VHF
Canadian Standards Administration
Pulse
BTU
5. A unit of energy in solid-state physics with mass and momentum but that does not exist as a free particle.
Thermocouple
N.C.
Thermistor
Quasiparticle
6. The electrical demand of a process. Load can be expressed or calculated as amps (current) - ohms (resistance) or watts (power).
Thermocouple
International Organization for Standardization
Load
Power Dissipation
7. A highly accurate bridge configuration that is used to measure three-wire RTD thermometers.
Operating Temperature
Mueller Bridge
Environmental Protection Agency
PSIG
8. Volt-ohm Meter.
Microamp
Weber
Kilovolt
VOM
9. 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.
Current
Zener Diode
Lag
Plasma
10. Kwh; One thousand watt-hours.
Quasiparticle
Quap
Kilowatt Hour
Conduit
11. Response to the change in the level of the input signal.
Threshold Response
Electromagnetic field
Rheostat
Leakage current
12. The act of the opening of an electrical circuit.
Load
Break
M
Canadian Standards Administration
13. The maximum temperature at which a device can be safely operated.
Ground
Output
Momentary switch
Maximum Operating Temperature
14. A high-intensity incandescent lamp with a quartz bulb containing an inert gas of iodine or bromine vapor.
International Organization for Standardization
Quartziodine Lamp
AWG
Electron
15. RMS; AC voltage that equals DC voltage that will do the same amount of work. For an AC sine wave it is 0.707 x peak voltage.
Quark
M
Root Mean Square
Transducer
16. A region of space that surrounds a moving electrical charge or a magnetic pole - in which the electrical charge or magnetic pole experiences a force that is above the electrostatic ones associated with particles at rest.
Magnetic Blow-out Switch
Thermocouple
Magnetic Field
Watt
17. The moving of electricity or heat through a conductor.
Conduction
Efficiency
Leakage current
Mean Temperature
18. Symbol used to denote transmitter.
PSID
CMV
Millivolt
XMTR
19. ANSI;
Light Emitting Diode
UHF
American National Standards Institute
Supply Current
20. Kva; One thousand volt amps.
Kilovolt amperes
Quartz
Frequency
Quantum
21. A form of silicone dioxide. Commonly used in the making of radio transmitters and heat resistant products.
Quartz
Kilovolt amperes
National Fire Protection Association
Micron
22. An electromagnetic radiation produced when the inner satellite electrons of heavy atoms have been excited by collision with a stream of fast electrons return to their ground state - giving up the energy previously imparted to them.
Triac
X ray
Kilowatt Hour
Conductance
23. The magnitude and time phase of a quantity - represented by a plotted line.
Chatter
Proximity Switch
Delta
Vector
24. The voltage that is applied across a semiconductor junction to permit forward current through that junction and the device. Forward voltage is also known as 'bias.'
Open Circuit
Delta
Watt-hour
Forward Voltage
25. A positive (+) electrode. The point where electrons exit from a device to the external electric circuit.
Anode
Electrokinetics
VOM
Conductance
26. Normally Open.
N.C.
N.O.
Threshold Response
International Brotherhood of Electrical Workers
27. Magnetically - opposite poles - north and south. In electricity - oppositely charged poles - positive and negative.
Environmental Protection Agency
Polarity
PID
Amplifier
28. The adjustment of a display that results are zero on the display corresponding to a non-zero signal.
Phase
Leakage current
Zero Adjustment
Thermistor
29. Chemical changes and energy produced by electric currents.
Cathode
Millivolt
Electrochemistry
Electrokinetics
30. 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.
International Brotherhood of Electrical Workers
I
Zener Diode
Magnetic Flux
31. A material used to conduct electricity or heat.
Conductor
Magnetic Flux
VOM
Amplifier
32. MA; One thousandth of an amp.
Ripple
Watt
Milliamp
PSIA
33. The time based relationship between a reference and a periodic function.
Canadian Standards Administration
Proximity Switch
Phase
Actuator
34. 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.
Circuit
Volt
Bridge Rectifier
Working Standard
35. The measured amount of electrical energy that represents the electrostatic forces between atomic particles. The nucleus of an atom has a positive charge (+) and the electrons have a negative charge(-).
Charge
Kilovolt
SCR
Actuator
36. 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
Process Meter
Rheostat
Light Emitting Diode
National Electrical Code
37. The rapid on/off cycling of a relay caused by improper signal or adjustment - faulty contacts - or other malfunction.
System International
Chatter
Frequency
Lag
38. Inspection - analysis and action required to ensure quality of output.
Ripple
Capacitor
Quality Control
Charge
39. The unit for capacitance. A capacitor that stored one coulomb of charge with one volt across it will have a value of one farad.
Diode
Conduit
Kilovolt
Farad
40. See; 'Proximity Sensor'.
Ohmeter
Proximity Switch
Absolute Zero
National Electrical Code
41. The range of voltage needed to maintain operation of a control or device.
Conduction
Supply Voltage
Electrode
Ampere
42. Mm; One thousandth of a meter.
Quartziodine Lamp
Supply Current
Electric circuit
Millimeter
43. Voltage; The unit of electromotive force (EMF) that causes current to flow. One volt causes a current of one amp through a resistance of one ohm.
Cycle Time
Volt
Time Delay Before Availability
Conduit
44. SI; The standard metric system of units.
Chatter
Volt
System International
Grounded
45. The amount of time it takes for a device to react to an input signal.
OR Logic
Circuit
Milliamp
Response Time
46. FM; ~LINK~
Ohmeter
Factory Mutual
Occupational Safety & Health Administration
Kilowatt Hour
47. OSHA;
Thermistor
Cathode
Watt
Occupational Safety & Health Administration
48. Symbol used for wye configuration for three phase electrical connections.
Efficiency
Y
Celsius
National Electrical Code
49. The basic of thermal energy. The work done by the force of one newton acting through a distance of one meter.
VF
Interface
Joule
Load
50. 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
Cycle Time
Magnetic Field
Open Circuit