Q&A Forum
1124 questions found
A self aligning bearing is a
- angular bearing.
- precision bearing.
- radial bearing.
JD2016 asking:
Should angular not be the correct answer?
Determine x in the following: (2x-1)(3x+2) = 0.
- 1.5, 1
- 0.5, 3
- -0.67, 0.5
tini1992 asking:
Can anyone explain how to work this out? Thnx in advance
What is 738 in binary coded decimal?
- 1011110010
- 111100010
- 11100111000
D.kerec asking:
101110001 how this isnt right?
Specified time of contact between the indentor and test piece in a vickers or brinell hardness test is
- 20 seconds.
- 10 seconds.
- 15 seconds.
Leehenson asking:
This question is unclear, as contact time is different depending on ferrous or non-ferrous metals.
Electrochemical reaction is caused by the contact of
- bonding.
- moisture on the surface of the metal.
- dissimilar metals.
Leehenson asking:
Wouldn't C be correct as 'electrochemical' corrosion requires a anode and a cathode, where as a 'chemical' corrosion being oxidation would be moisture on the surface of the metal? Please help? Thanks.