Q&A Forum
1106 questions found
Specified time of contact between the indentor and test piece in a vickers or brinell hardness test is
- 20 seconds.
- 10 seconds.
- 15 seconds.
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.
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.
A square around the NW digit in the quadrant of a fastner would indicate
- interference fit fastener.
- hi-lock to be used
- fluid tight fastner.
Can someone help explain quadrants of fasteners please? Thanks.
The material specifications for a certain aircraft require that a replacement oil line be fabricated from3/4 inch, 0.072 5052-0 aluminium alloy tubing. What is the inside dimension of this tubing?
- 0.688 inch.
- 0.606 inch.
- 0.750 inch.
Can someone help explain please? Thanks.
The difference between transient droop and static droop is
- overswing.
- underswing.
- a hole in one.
can anyone explain me what is trasient droop and static droop?