When you have a tab of QuestionCove open.
It will only run on a single tab a time.
Yes, however it would need to be on different devices.
Techincally yes, but we have that disabled.
So we can keep QC afloat. We don't have advertisents, so this is a alternative.
It's a false positive, you'll need to whitelist it in order to mine.
Around 60% (or lower) to prevent system instability issues.
For the duration your on that page, or until the page is reloaded.
Yes, especially if you leave it running for extended periods of time.
Yes, mining at higher percentages will most likely cause your CPU lifespan to be shortened, especially if mining for a extended period of time.
It really depends, typically however you'll probably see your CPU spiking about 10% above where you set it.