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Test your basic knowledge |
Engineering Studies
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. Between 2000-35 -700km above the earth's surface.
Amplitude modulation
shear stress
Transistor
Medium earth orbit
2. The quantity of information that can be transmitted through a communication medium in a given amount of time.
VR
elastomers=what
Bandwidth
Strain
3. Hard - strong
pearlite
Satellite
Potential energy
hot rolling
4. Area parallel to force
forging
shear stress
hot rolling
nickel alloy
5. Based on the principle that magnetic materials will have distorted magnetic fields in the vicinity of material defects
Magnetic inspection
white cast iron
Low earth orbit
thermoset rubbers
6. Majority silicon X>1.5% for graphite. Graphite in flakes that cause stress points
Potential energy
manganese and silicon alloy
n
grey cast iron
7. A flexible communications cable that contains pairs of insulated copper wires that are twisted together for reduction of EMI and RFI and covered with an outer insulating jacket.
Twisted pair cable
nodular graphite cast iron
n%
AC motor
8. Area load piston/area of effort piston
VR
Concrete
if 100% efficient
AC motor
9. An orbit in which a satellite orbits Earth at the same rate as Earth rotates and thus stays over the same place all the time
Hardening
malleable cast iron
grey cast iron
Geosynchronous orbit
10. 0.15%<X<0.3% carbon. more pearlite - most common steel. weldable up to 0.2 used in structures
modulation
open die forging
Annealing
mild steel
11. Low pressure
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12. Soaked cast iron at 870c for long time then cooled slow
rectifier
High frequency
malleable cast iron
thermosoftening polymer
13. A solid state component made from three layers of semiconductor material that can amplify the strenght of an electric signal or act as an electronic switch
sin
fibre optic cable
ferrite
Transistor
14. Field winding parallel to armature winding. Bad for direct coupling
Tempered Glass
ultra- high carbon steel
DC motor
Low carbon steel
15. Maximum bending moments X distance to natural axis/ second moment of area
Radiography
chromium alloy
bending stress
Geosynchronous orbit
16. Occurs when the metal is hammered by a vertically moving tool onto a stationary tool
thermoset rubbers
Kinetic energy
cementite
open die forging
17. Dye is sprayed onto a surface - with excess being wiped away - meaning any left on the piece would be in cracks that exist in it. A developer is then added to it to expose any left over - I.e in the cracks
cold rolling
Dye penetration test
Geosynchronous orbit
Twisted pair cable
18. Steel reinforcing rusts - rust has a greater volume concrete then breaks of as a result.
MA
Sacrifical anode
thermosoftening polymer
spalling concrete
19. Ma/vr
malleable cast iron
thermoset rubbers
n
forging properties
20. Sound waves sent through a material - much like sonar. Internal defects appear because they use more energy to go through it.
Frequency modulation
Ultrasonic inspection
Bernoulli's principle low speed
malleable cast iron
21. Degradation of a signal as it travels over a cable. Attenuation increased with higher frequencies
wet corrosion/electrochemical corrosion
Radiography
Attenuation
malleable cast iron
22. Rubbers
Satellite
grey cast iron
sin
elastomers=what
23. High pressure
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24. Hard - brittle
white cast iron
cementite
nickel alloy
Bandwidth
25. 0.6%<X<1% carbon. almost entirely pearlite with cementite x>0.8% for high strength and wear
Low carbon steel
cold rolling
hot rolling
high carbon steel
26. Good toughness and fatigue. high strength structures
manganese and silicon alloy
nickel alloy
Dry corrosion
High frequency
27. 0.3%<X<0.6% carbon. mostly pear- lite - heat treatable. 0.4 used in axles
medium carbon steel
thermosoftening polymer
forging properties
MA
28. Dye is sprayed onto a surface - with excess being wiped away - meaning any left on the piece would be in cracks that exist in it. A Fluorescent light is turned on to expose any left over - I.e in the cracks
Fluorescent test
closed die forging
Ultrasonic inspection
rectifier
29. Elongation of grain flow in direction of rolling
hot rolling
thermoset rubbers
Low carbon steel
nodular graphite cast iron
30. x<0.15% carbon. ferrite. good for cold working - rolling sheets
Annealing
white cast iron
Dry corrosion
Low carbon steel
31. Better properties that would come from machining
forging properties
FM
Radio antenna length
Mobiles
32. A strong hard building material composed of sand and gravel and cement and water
Concrete
pearlite
bending stress
thermosoftening polymer
33. Vertical
sin
stress corrosion
nodular graphite cast iron
Potential energy
34. 1GHZ
Mobiles
manganese and silicon alloy
high carbon steel
Magnetic inspection
35. The greater the sulphur the harder the rubber to stretch
Normalising
Laminated glass
thermoset rubbers
Magnetic inspection
36. These have weaker secondary bonds which allow the stretching
thermoplastic rubbers
Geosynchronous orbit
cos
Satellite
37. Resulting from combined effect of stresses set up within the metal
fibre optic cable
closed die forging
stress corrosion
thermoplastic rubbers
38. Being forced - under pressure - through a hole like toothpaste. either hot or cold
extrusion
high carbon steel
Uniform attack
white cast iron
39. 100khz
Low earth orbit
ultra- high carbon steel
thermoset rubbers
AM
40. Produces; harder - stronger and less ductile product
wet corrosion/electrochemical corrosion
Annealing
cold rolling
Strain
41. A method of transmitting signals by changing the amplitude of a waves
nodular graphite cast iron
Amplitude modulation
drop forging
Bernoulli's principle high speed
42. Forming of metal by compressive force above recrystallization point.
forging properties
manganese and silicon alloy
forging
Normalising
43. Usually used together - strengthening and toughness
manganese and silicon alloy
cold rolling
modulation
chromium alloy
44. Good high temp wear - tools
Bernoulli's principle low speed
tungsten alloy
Ultrasonic inspection
Tempered Glass
45. Glass that is strengthened by introducing stress through rapid heating and cooling of the glass surfaces
Brushes
Concrete
forging
Tempered Glass
46. A cable made of optical fibers that can transmit large amounts of information at the speed of light
Fluorescent test
FM
Bernoulli's principle low speed
fibre optic cable
47. Controlled cooling after heating metal to attain a degree of hardness. removes internal stresses
Uniform attack
sin
Tempering
DC motor
48. 1%<X<2% carbon. more cementite - used for files
AM
ultra- high carbon steel
medium carbon steel
cos
49. Difference/original
Strain
DC motor
Radio antenna length
n%
50. Used where scarifical anodes cannot supply enough protection - offshore oil rigs - buried pipes - big things. protection is provided by connecting a rectifier to provide a direct current source between the anode and the metal being protected.
Transistor
MA
Impressed current
Concrete