The half hitch knot is the type of knot that comes loose when tension is removed. It is used for temporary securing and slips easily without tension. Therefore, the correct answer is A. Half Hitch.
;
The type of knot that comes loose when tension is removed is the half hitch . This knot is used for temporary securing and easily slips when the load is released. Other knots like the bowline and square knot remain secure under tension. ;