SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. 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
Laminated glass
Commutator
stress
cementite
2. Usually used together - strengthening and toughness
if 100% efficient
open die forging
manganese and silicon alloy
Impressed current
3. 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
sin
Sacrifical anode
Kinetic energy
modulation
4. A cable made of optical fibers that can transmit large amounts of information at the speed of light
Laminated glass
forging properties
fibre optic cable
stress corrosion
5. Ma/vr
n
shear stress
hot rolling
n%
6. 10MHZ
Tempering
Fluorescent test
FM
open die forging
7. Load/effort
open die forging
MA
Brushes
Attenuation
8. 0.3%<X<0.6% carbon. mostly pear- lite - heat treatable. 0.4 used in axles
DC motor
AM
medium carbon steel
Mobiles
9. 1/2Xmass X velocity X velocity
Magnetic inspection
wet corrosion/electrochemical corrosion
Commutator
Kinetic energy
10. Between 2000-35 -700km above the earth's surface.
Medium earth orbit
spalling concrete
Tempered Glass
Annealing
11. Controlled cooling after heating metal to attain a degree of hardness. removes internal stresses
AC motor
Tempering
forging properties
if 100% efficient
12. Difference/original
closed die forging
FM
nickel alloy
Strain
13. A strong hard building material composed of sand and gravel and cement and water
hot rolling
Magnetic inspection
Concrete
Kinetic energy
14. Supply current to the rotating commutator from an external source
Normalising
Brushes
Bandwidth
Uniform attack
15. Area load piston/area of effort piston
VR
Geosynchronous orbit
Impressed current
mild steel
16. AC to DC
Dye penetration test
thermoset rubbers
rectifier
Frequency modulation
17. Vertical
elastomers=what
sin
Bernoulli's principle low speed
thermoplastic rubbers
18. When upper die is dropped on bottom
AM
drop forging
cos
Normalising
19. Area parallel to force
Brushes
ultra- high carbon steel
shear stress
Dry corrosion
20. Good wear - case hardening. ball bearings
thermosoftening polymer
cos
Frequency modulation
chromium alloy
21. 1/4 of the wavelength (higher better)
thermosoftening polymer
Mobiles
Radio antenna length
Dry corrosion
22. Produces; harder - stronger and less ductile product
cold rolling
DC motor
Attenuation
ultra- high carbon steel
23. Can only be softened once - bonded strongly - generally stronger that thermoplastics. stronger secondary bonds
hot rolling
Strain
open die forging
thermosetting polymers
24. Glass that is strengthened by introducing stress through rapid heating and cooling of the glass surfaces
high carbon steel
forging
modulation
Tempered Glass
25. A method of transmitting signals by changing the amplitude of a waves
Amplitude modulation
elastomers=what
Attenuation
nickel alloy
26. Elongation of grain flow in direction of rolling
wet corrosion/electrochemical corrosion
modulation
Geosynchronous orbit
hot rolling
27. Good toughness and fatigue. high strength structures
rectifier
malleable cast iron
nickel alloy
white cast iron
28. 1%<X<2% carbon. more cementite - used for files
tungsten alloy
thermosetting polymers
modulation
ultra- high carbon steel
29. Can be reflected of the ionosphere - 3 to 30 megahertz
Attenuation
elastomers=what
chromium alloy
High frequency
30. Forming of metal by compressive force above recrystallization point.
Impressed current
hot rolling
forging
VR
31. Mass X gravity X height
thermoplastic rubbers
Potential energy
spalling concrete
extrusion
32. Being forced - under pressure - through a hole like toothpaste. either hot or cold
open die forging
AC motor
Tempered Glass
extrusion
33. A method of transmitting signals by changing the frequency of a wave
Frequency modulation
open die forging
Potential energy
modulation
34. 100khz
fibre optic cable
thermoset rubbers
AM
white cast iron
35. 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.
thermoset rubbers
Impressed current
elastomers=what
bending stress
36. Resulting from exposure to oxygen in the atmosphere - chemical fumes - steam - flue gas. creates a layer of metal oxide.
Kinetic energy
Dry corrosion
fibre optic cable
Frequency modulation
37. Occurs when the metal is hammered by a vertically moving tool onto a stationary tool
High frequency
nickel alloy
modulation
open die forging
38. Squeezing of the hot metal between two shaped dies excess is cut off
Kinetic energy
fibre optic cable
closed die forging
thermoplastic rubbers
39. Solid at room temp - weak secondary bonds. can be reheated multiply times.
manganese and silicon alloy
thermosoftening polymer
VR
Kinetic energy
40. These have weaker secondary bonds which allow the stretching
Concrete
thermoplastic rubbers
wet corrosion/electrochemical corrosion
Laminated glass
41. x<0.15% carbon. ferrite. good for cold working - rolling sheets
Low carbon steel
Annealing
extrusion
n%
42. Hard - strong
Tempering
nodular graphite cast iron
pearlite
Brushes
43. Low pressure
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
44. 0.15%<X<0.3% carbon. more pearlite - most common steel. weldable up to 0.2 used in structures
mild steel
bending stress
fibre optic cable
Concrete
45. Small amounts of magnesium to make spheres instead of flakes. thus no stress concentrations
Strain
Ultrasonic inspection
Radiography
nodular graphite cast iron
46. The quantity of information that can be transmitted through a communication medium in a given amount of time.
Magnetic inspection
Bandwidth
Bernoulli's principle low speed
Radio antenna length
47. Good high temp wear - tools
tungsten alloy
MA
AC motor
Sacrifical anode
48. Results from the changing anode and cathode regions over the entire surface
Attenuation
Uniform attack
cementite
Fluorescent test
49. 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
High frequency
Low carbon steel
medium carbon steel
50. Makes brittle by heating and then cooling quickly - less flexible. Red Heat then quenching
Dry corrosion
Hardening
Attenuation
Geosynchronous orbit