In a drilling rig, the crown block and the traveling block have three and two sheaves, respectively

Q. In a drilling rig, the crown block and the traveling block have three and two sheaves, respectively. A single wireline connects the hoisting drum to the deadline anchor as shown in the figure. Neglect the weight of the pulleys and the wireline, and friction between the sheaves and wireline. The ratio of the deadline load to static crown load is    (round off to 2 decimal places).

Ans: 0.16-0.18