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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. The amount of power that is consumed and converted to heat.
Charge
Power Dissipation
Quartziodine Lamp
Cycle
2. A form of silicone dioxide. Commonly used in the making of radio transmitters and heat resistant products.
PSID
Supply Voltage
Diode
Quartz
3. SI; The standard metric system of units.
Working Standard
Milliamp
Amplifier
System International
4. Normally Closed.
Joule
N.C.
Filter
International Electrotechnical Commission
5. A form of energy produced by the flow of particles of matter and consists of commonly attractive positively (protons [+]) and negatively (electrons [-]) charged atomic particles. A stream of electrons - or an electric current.
Polarity
Weber
Electricity
Kilovolt
6. 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.
Current Proportioning
Magnetic Field
VOM
Joule
7. A device used to store electrical energy in an electrostatic field until discharge.
Capacitor
Ground
Underwriters Laboratories
Kilowatt
8. Applying molecular physics to electronics.
Quasiparticle
Break
Quantum Electronics
International Organization for Standardization
9. A fluctuation in the intensity of a steady current.
Ripple
Grounded
Conduit
PID
10. The average temperature of a process.
Milliamp
Mean Temperature
Ingress Protection Ratings
XMTR
11. Electrical energy produced by the action of heat.
Break
Thermoelectricity
Series Circuit
Quality Control
12. A switch with contacts that are made with actuating force and released when that force is removed.
Institute of Electrical and Electronics Engineers
Manual Reset Switch
Fluorescent
Momentary switch
13. Kwh; One thousand watt-hours.
Q-value
Kilowatt Hour
Intrinsically safe
Mean Temperature
14. NFPA;
Beta
National Fire Protection Association
X ray
Latent heat
15. -459.67
Absolute Zero
Underwriters Laboratories
Electrolysis
Electrokinetics
16. To close an electrical circuit. To establish an electrical circuit through the closing of a contact - switch or other related device.
Make
Microvolt
Ohmeter
Leakage current
17. Current Consumption. The amount of amps or milliamps needed to maintain operation of a control or device.
Celsius
Watt-hour
Quantum Electronics
Supply Current
18. The rate of transfer of energy.
Flux
Ohm
Factory Mutual
Intrinsically safe
19. Mm; One thousandth of a meter.
Kilowatt
Quantum
Filament
Millimeter
20. A three terminal semiconductor device. In a 'FET' the current is from source to drain because a conducting channel is formed by a voltage field between the gate and the source.
Zener Effect
Interface
Kilovolt
Field-Effect Transistor (FET)
21. A panel meter with zero and span adjustments - commonly scaled for signals such as 1-5 volts - 4-20mA - etc.
Microamp
National Fire Protection Association
Process Meter
Efficiency
22. The measure of the ability of a material or substance to carry electrical current.
Quap
Conductance
Beta
Farad
23. The behavior of charged particles and the steady motion of charge in magnetic and electric fields.
Phase Proportioning
Electrokinetics
VF
Impedance
24. The mechanism of a switch which operates the contacts.
N.O.
Canadian Standards Administration
Actuator
Open Circuit
25. The element inside a vacuum tube - incandescent lamp or other similar device.
Milliamp
Filament
Triac
Electrochemistry
26. 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.
Grounding Conductor
Weber
VOM
Microamp
27. 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.
Microvolt
Output
Plasma
Supply Current
28. A switch in a controller that manually resets after exceeding the controllers limit.
Mil
Amp
Manual Reset Switch
RFI
29. IBEW;
Zero Adjustment
Phase
International Brotherhood of Electrical Workers
Electroduct
30. The power of one watt operating for one hour - and equal to 3 -600 joules.
Output
Kilowatt
Watt-hour
Voltage Drop
31. Pounds per square inch gage. Pressure in relationship to the ambient air pressure>
PSIG
Grounded
Amplifier
Electrolysis
32. The electrical demand of a process. Load can be expressed or calculated as amps (current) - ohms (resistance) or watts (power).
Efficiency
Load
Electrodynamic
Quartziodine Lamp
33. NEMA;
National Electrical Code
National Electrical Manufacturers Association
Rheostat
Ohm
34. The time based relationship between a reference and a periodic function.
Quality Control
Forward resistance
Phase
On/Off Controller
35. The current that is gained by a transistor when it is connected in a common emitter circuit.
National Electrical Code
System International
Beta
Celsius
36. Electric current passing through an electrolyte which produces chemical changes in it.
Electrolysis
Chatter
Rectifier
Current
37. 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.
Grounding Conductor
International Electrotechnical Commission
Root Mean Square
Phase Proportioning
38. A device having two terminals and has a low resistance to electrical current in one direction and a high resistance in the other direction.
Conduction
Diode
Field-Effect Transistor (FET)
Hazardous Location
39. The range of temperature over which a device may be safely used. The temperature range which the device has been designed to operate.
Operating Temperature
Zener Diode
Infrared
Zener Effect
40. A form of control where the power supplied to a process is controlled by limiting the phase angle of the line voltage.
Weber
N.O.
Phase Proportioning
Plasma
41. Silicone Controlled Rectifier.
Supply Voltage
Thyristor
SCR
Triac
42. The modification of a signal that causes the output to remain energized until it is released by intent.
Volt
Latching logic
Phase Proportioning
Watt-hour
43. 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
Forward resistance
VHF
National Electrical Code
Farad
44. A device that converts AC voltage to pulsating DC voltage.
Quantum Electronics
Modulated Light Source Control
Threshold Response
Rectifier
45. A hypothetical nuclear of a quark plus an antiproton.
Underwriters Laboratories
Thermocouple
Quap
Joule
46. A Solid State relay is a switching device that completes or interrupts a circuit electrically and has no moving parts. A Mechanical relay is an electromechanical device that closes contacts to complete a circuit or opens contacts to interrupt a circu
Relay
Phase Proportioning
Electrodynamic
Cycle Time
47. Variable Frequency.
VF
Relay
Response Time
XMTR
48. The part of a circuit that supplies power to the entire circuit or part of the circuit. Usually a separate unit that supplies power to a specific part of the circuit in a system.
Conductor
Power Supply
Phase
Electrolyte
49. An area in which combustible or flammable mixtures are or could be present.
Ripple
Working Standard
Hazardous Location
Series Circuit
50. (AC); Electrical current that changes (or alternates) in magnitude and direction of the current at regular intervals.
AWG
Alternating Current
Watt
Magnetic Flux