Example Sentences for strength. Your aunt must have dainties to tempt her appetite and so keep up her strength. I think it may be justly denominated an emblem of strength and power. A great portion of his strength lay in his capacity for deception. She, too, remembered the conversation, but had not strength to act up to the spirit of it.
Continue to cook the sirloin roast until a meat thermometer registers 130 degrees at the CENTER of the roast for medium rare at the center, medium on the ends. This should take around 20 â 30 minutes per pound, but never rely on exact times. Use a meat thermometer instead.
3. Oven-roasting the tri-tip roast. 1  Place roast in the oven and roast, uncovered, for 30 to 35 minutes or until the thermometer registers 135 degrees F. Remove from the oven and cover with foil.ther names for the tri-tip are bottom sirloin roast and triangle roast. If you don't see it in the meat case, you may need to request it from your butcher. A boneless tri-tip roast weighs around 1-1/2 to 2 pounds and is around 2 inches thick.