Question

31. The efficiency of a screw jack increases with ....... A. decrease in the load B. increase in the load C. decrease in the pitch D. increase in the pitch

Answer 1

Answer:

Answer is the (D) one

Step-by-step explanation:

hope this will help you!!

Answer 2

Answer:

   The answer is Increase in the pitch (option D).

Step-by-step explanation:

• A screw jack is a portable device consisting of a screw mechanism used to raise or lower the load.
• A hydraulic jack consists of a cylinder and piston mechanism.
• The maximum efficiency of the screw jack increases with an Increase in the pitch.