I've been looking for a pen pal for a while now can someone plz help me find one. but it has to be only via email... Is anyone interested? the age has to be 17 to 20 and the gender doesn't mater it can be u or anyone u know BUT THE AGE REALLY MATTERS
IF U FIND ME, SOMEONE, ILL GIVE MORE POINT...

Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

Wiy doeres rere okhn a pump whon working betwon the same pressure range?