How To Use Petcock In A Sentence

The heat touched off the Hi-Thrust which burst in a needle flame from the petcock. The Stars My Destination
Most quads already have a fuel filter in the petcock, though, and adding another one is overkill. Maintenance Tip: Filtered Fuel vs Filtered Air
I know I like saying the names of trees and plants when I identify them, and I’m also excited to hear what obscure mechanical parts are called isinglass and petcock, for instance. Dear Clusterflock | clusterflock
Drain gas from my bike's petcock into a 1 gallon ziploc bag. then pour from bag into Phil's tank, and voila! we make it to the next gas stop. Archive 2006-05-01
Steam for ten minutes, then shut off the steam by either closing the petcock or dropping the weight gauge into place.

She set the kettle on the ground, knelt to search for the petcock, and only then turned on the flashlight, remembering as she always did when she saw its jabbing circle of light, how much it had cost and how Clovis was always having to buy batteries for it. The Dollmaker
They were fitted with a dial gauge, a vent port in the form of a petcock or counterweight, and a safety fuse.
Foyle opened the drainage petcock in the combustion chamber of the jet and tortuously filled the chamber with fuel by hand. The Stars My Destination
This time I put a piece of tape over the petcock opening instead of using the screw on block off plate I had made to use on the first steps.