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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. Better properties that would come from machining
thermoplastic rubbers
Satellite
forging properties
if 100% efficient
2. Usually used together - strengthening and toughness
if 100% efficient
Potential energy
manganese and silicon alloy
Amplitude modulation
3. Maximum bending moments X distance to natural axis/ second moment of area
bending stress
malleable cast iron
VR
cementite
4. 100GHZ+
cold rolling
Low carbon steel
Laminated glass
Satellite
5. 0.3%<X<0.6% carbon. mostly pear- lite - heat treatable. 0.4 used in axles
stress corrosion
thermosoftening polymer
thermoset rubbers
medium carbon steel
6. High pressure
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7. Occurs when the metal is hammered by a vertically moving tool onto a stationary tool
Attenuation
open die forging
rectifier
tungsten alloy
8. Good toughness and fatigue. high strength structures
ultra- high carbon steel
Normalising
Magnetic inspection
nickel alloy
9. Hard - strong
Annealing
Bandwidth
cold rolling
pearlite
10. Squeezing of the hot metal between two shaped dies excess is cut off
Attenuation
Normalising
closed die forging
thermoplastic rubbers
11. Makes brittle by heating and then cooling quickly - less flexible. Red Heat then quenching
thermoset rubbers
DC motor
Hardening
Commutator
12. Involves heating the piece above Red heat and then letting it cool in air. causes smaller grains
pearlite
shear stress
VR
Normalising
13. A cable made of optical fibers that can transmit large amounts of information at the speed of light
fibre optic cable
chromium alloy
Laminated glass
Bernoulli's principle low speed
14. Difference/original
Tempering
Twisted pair cable
Strain
Dry corrosion
15. Glass made with plates of plastic or resin or other material between two sheets of glass to prevent shattering
Kinetic energy
Laminated glass
high carbon steel
Frequency modulation
16. AC to DC
rectifier
ultra- high carbon steel
Tempering
nickel alloy
17. A device that converts the AC inside a DC generator to a DC output or converts a DC supply to an AC inside a DC motor.keeping the armature rotating
Commutator
rectifier
stress corrosion
hot rolling
18. Ma/vr
n
Concrete
sin
nodular graphite cast iron
19. Use of xrays passed through the material to make a visual record of internal structures on specially sensitized film
Laminated glass
cementite
Radiography
open die forging
20. Controlled cooling after heating metal to attain a degree of hardness. removes internal stresses
Tempering
ferrite
high carbon steel
Radio antenna length
21. 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
Geosynchronous orbit
nickel alloy
rectifier
sin
22. X<1% silicon no graphite - has carbon/carbide. very brittle
Ultrasonic inspection
FM
white cast iron
forging
23. 100khz
VR
thermosoftening polymer
AM
forging properties
24. Results from the changing anode and cathode regions over the entire surface
thermoset rubbers
Uniform attack
drop forging
Satellite
25. Mass X gravity X height
Potential energy
Twisted pair cable
Amplitude modulation
Attenuation
26. Soaked cast iron at 870c for long time then cooled slow
extrusion
cos
DC motor
malleable cast iron
27. Soft - ductile
ferrite
Twisted pair cable
Bandwidth
DC motor
28. 1GHZ
Mobiles
Geosynchronous orbit
if 100% efficient
Satellite
29. 0.6%<X<1% carbon. almost entirely pearlite with cementite x>0.8% for high strength and wear
Amplitude modulation
Radio antenna length
high carbon steel
cos
30. Majority silicon X>1.5% for graphite. Graphite in flakes that cause stress points
forging
grey cast iron
hot rolling
cementite
31. Load/effort
Bandwidth
MA
hot rolling
Transistor
32. An orbit less than 1 -500 km. above the Earth's surface.
Magnetic inspection
Impressed current
Low earth orbit
stress corrosion
33. x<0.15% carbon. ferrite. good for cold working - rolling sheets
Laminated glass
mild steel
Low carbon steel
nodular graphite cast iron
34. 1%<X<2% carbon. more cementite - used for files
FM
ultra- high carbon steel
Bernoulli's principle high speed
medium carbon steel
35. Good wear - case hardening. ball bearings
chromium alloy
thermoplastic rubbers
AC motor
modulation
36. Degradation of a signal as it travels over a cable. Attenuation increased with higher frequencies
Attenuation
Geosynchronous orbit
fibre optic cable
High frequency
37. Field winding parallel to armature winding. Bad for direct coupling
Laminated glass
thermoplastic rubbers
Medium earth orbit
DC motor
38. Supply current to the rotating commutator from an external source
n%
Annealing
Bandwidth
Brushes
39. A method of transmitting signals by changing the amplitude of a waves
if 100% efficient
Amplitude modulation
grey cast iron
fibre optic cable
40. When upper die is dropped on bottom
elastomers=what
drop forging
forging
forging properties
41. 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.
spalling concrete
DC motor
Impressed current
Twisted pair cable
42. Being forced - under pressure - through a hole like toothpaste. either hot or cold
Kinetic energy
Impressed current
Concrete
extrusion
43. 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
extrusion
Fluorescent test
elastomers=what
shear stress
44. Allows for another signal to be sent along the carrier signal
modulation
malleable cast iron
FM
if 100% efficient
45. The quantity of information that can be transmitted through a communication medium in a given amount of time.
Dye penetration test
drop forging
grey cast iron
Bandwidth
46. Produces; harder - stronger and less ductile product
Dye penetration test
cold rolling
MA
Frequency modulation
47. Softening a material such as metal by controlled heating and cooling. This makes the metal less brittle and more easily adaptable. Soaking till austenite then cooling slowly. large grains
Annealing
Geosynchronous orbit
Normalising
ferrite
48. Solid at room temp - weak secondary bonds. can be reheated multiply times.
Geosynchronous orbit
Sacrifical anode
AC motor
thermosoftening polymer
49. Us a metal that is more reactive. It is connect to another metal and corrodes instead of the other metal. the Anode is replaced periodically
Sacrifical anode
AC motor
Fluorescent test
spalling concrete
50. Area parallel to force
Tempering
Frequency modulation
Annealing
shear stress