[winky51]

Yea there is no way to answer this without information on opponents, stacks, playing styles, if they are weak or calling stations, aggressive, bluff, are on tilt, have gas, and so on.

Everything depends on everyone at the table.

But as a general advise in tournaments I would say you want to bet enough that you are taken seriously, the bet looks like it could be a lure, and it the least you lose to a better hand. This all might seem tricky but consider your position and all the other players. Many factors determine how you play the hand. Oh and listen to your instincts. Mine are 95% of the time on the money in poker. Sometimes I don't listen to them because the math doesn't add up... then I kick myself.