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Test your basic knowledge |
Power Engineering 3
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. There is no relative movement between the rotor bars and teh flux of the rotating field - countacts speed changes
Amortisseur advantage
Class F
Shunt motor
Coulomb
2. Need as many brushes as poles
Supply label
Lap windings
Radiation detector
4 types of fires
3. Compressed gas
Primary purpose behind legislation
Square root extractor
Class A
Insulation major cause of...
4. Flammables and combustibles
Class B
Wave windings
Class C
Cascade minimizes the effect on primary variable
5. Is the free electrons that are attracted by the positive terminal of thevoltage supply and will flow out continuously from the negative terminal
Current flow
Lignite
Electron flow
Inductance in a pure inductive current
6. Pulse generator operates at 3-40kHz
Ultransonic
Components of a DCS
Class D
Effect of DC current through a resistance
7. Useful amount of flux per pole
Shunt wound generator
Class B
IE =
Weber
8. I - NPS 63mm II - NPS 38mm III - NPS of bother 63mm and 38mm
Reactive power
Target flow meter
3 classes of standpipes
Air
9. Storage facility not required - Clean burning - no ash - Stack emission are relatively clean - Easily mixed with air - Does not require any extensive handling equipment - Easy to control
Complete combustion
Gain (k)
Excess air amount
Advantages of natural gas
10. Refer to pg 27.2.1 of ASME academic extract - do not interpolate between values - select next higher rated value
Proportional band
Heating value
Code calculations
Wheatstone bridge
11. Oxidizing materials
Series motor
Nutating disc meter
NOx formation dependant on...
Class C
12. Shunt - series and compound wound
Control loop 4 basic functions
Class E
The function of the ASME Boiler and Pressure Vessel Committee
DC generator types
13. Current carrying conductor placed in a magnetic field and the conductor distorts the magnetic fields between the poles - fleming's left hand rule
DC generator types
Crude petroleum
Fire extinguishers
Motor action
14. Liquid being measured must be able to mix with the gas or air in the bubbler
Torque in an armature
Radiation detector
Compound wound generator
Disadvantage of bubblers
15. 1. natural gas 5-10% 2. oil 5-15% 3. coal (pulverized) 15-30% 4. coal (stoker fired) 25-50%
Excess air amount
Standpipe risers less than 30m
Impedance
Hydrants
16. Ring type joint gaskets
RTJ
Ampere
Kilomole
Thermistor
17. Due to upsets in the secondary variable - first controller called the 'slave' or inner loop and the second controller is called the 'master' or outer loop
Mutual inductance
Cascade minimizes the effect on primary variable
Kirchhoff's law
RTJ
18. 1. carbon 2. hydrogen 3. sulphur
Short shunt
Motor action
As gain increases or the proportional band decreases
3 combustible elements in any fuel
19. Wander erratically
Lead current
Nonconductor valence electrons
Piping systems with volumes over 0.5 cubic meters (18 cubic feet)
Rotary meter
20. Conencted to transformers or inside switchgears
SCADA consists of...
IE =
Lightning arrestors
Amortisseur
21. No communicators - voltage can be transformed up or down and has slip rings
Communicator
Wave windings
AC advantages
Class F
22. Oscillate - on - off control behavior
Complete combustion
Cascade minimizes the effect on primary variable
NOx formation dependant on...
Gain increased too much
23. Motor control center
Coal classification
Occupational health and safety
Excess air amount
MCC
24. Just enough oxygen for complete combustion
Transfer switch delay
Theoretical air
Weber
Disadvantages of natural gas
25. Pancake or concentric
3 phase transformer
Flow nozzle
Inductance only affects currents when
Primary purpose behind legislation
26. Smallest cross sectional area
Series wound generator
Seperately excited
Amortisseur advantage
Vena contracta
27. Impact force - +- 0.5% accuracy - good in corrosive environments - up to 10000kPa and 400 degrees
Target flow meter
Amortisseur
Ladder logic
Conductance probes
28. The nature of atoms and the manner in which they behave when subjected to variuos forces and conditions
Proximate analysis...
Pressure at topmost of standpipe no less than
Electricity
RTJ
29. Design number followed by the provinces - the registered - the design in chronological order proceeding the decimal
Proportional band less than 2%
Sprinlker types
CRN 920.5193
Heat information is obtained from the ultimate analysis of fuel
30. The sum of individual current through each loop or path are equal to the total current
Ladder logic
Shunt motor
Parallel
Lightning arrestors
31. Where shock loading may occur
Ohm's law
Transmission media
Over frequency
Cast iron should not be used
32. % moisture - fixed carbon
If error appears quickly
3 classes of standpipes
Pressurized bubbler
Heat information is obtained from the ultimate analysis of fuel
33. Heavy load deman
Under frequency
Single phase circuit
Impediance triangle
Amortisseur advantage
34. 1. product identifier 2. information for safe handling 3. hazardous symbol - first aid - safe handling 4. reference to MSDS
Disadvantage of bubblers
Workplace label
Impedance
Gain (k)
35. Adjustable speed
Induction motors with wound rotors
Petroleum cracking
Occupational health and safety
Power in AC circuit
36. Thermocouple connected in series
Vena contracta
Radiation detector
Electron flow
Thermopile
37. Combination of shunt and series
Stator
Reactance
Compound wound generator
Overspeed
38. To provide electrical power for whatever need in a safe and dependable manner
Nonconductor valence electrons
Heating value
Standpipe systems
Main function of a power distribution system
39. Stationary conductors
Coulomb
Stator
Reducing the amount of excess air...
Disadvantages of natural gas
40. Poisonous and infectious materials
Induction motor will take a starting current up to...
Cartridge fuses
Armature reaction
Class D
41. One controlled variable and two manipulated variable as output - 'Duplex Controlres
Split range control
Disadvantages of natural gas
Types of hydrants
Conventional flow
42. Cannot be over 75m away from building - average of 12.2m away from building
Class E
Codes that have been adopted by various Canadian Jurisdictions
Hydrants
Manhole exceeding allowed size as per pg 29.3
43. Dark brown in color - laminar structure - often with remnants of woody fibers present. Tough but not hard - when exposed to air it loses moisture rapidly and crumbles
Lignite
Plug fuses
Photovoltaic
Thermal NOx
44. Is the total opposition - Z
Impedance
Standyby power
Target flow meter
Power factor
45. Second element of WHMIS
Short shunt
Thermistor
Radiation pyrometer
DATA sheet
46. Used for combustion calculations
Fire extinguishers
Proportional band less than 2%
Ultimate analysis...
Return of normal power
47. Magnetic flux produced by one coil that cuts the lines of the conductors of the second coil - creating a voltage induced in the second coil
Mutual inductance
Ratio control
Capacitors
Standpipe systems
48. 5 min delay
Ultimate analysis...
Overspeed
Return of normal power
Lignite
49. Free valence electrons are attracted by the positive terminal of the voltage supply and will flow out continuously from negative terminal into the circuit
Torque in an armature
Thermal NOx
Electron flow
DC generator types
50. Safety of the life and property
Inductance in a pure inductive current
Sprinlker types
Variable area meter
Primary purpose behind legislation