Which gesture signals the operator to move the trolley?

Which gesture signals the operator to move the trolley?

• A. holding the palm of your hand up with your fingers closed, pointing your thumb in the direction of motion, and jerking your hand horizontally
• B. extending your arm forward with your hand open and slightly raised, and making a pushing motion in the direction of travel
• C. extending your arm with the palm of your hand down, and moving your arm back and forth horizontally
• D. holding your forearm vertical with your forefinger pointing up and moving your hand in a small horizontal circle

Answer: (B)

Understanding the standard hand signals used to control a trolley is what this item tests. The best signal to tell the operator to move is to extend the arm forward with the hand open and slightly raised, then push in the direction you want to travel. This gesture is clear, highly visible, and directly communicates “move forward” without ambiguity. Other gestures either imply stopping, reversing, or signaling attention rather than initiating movement, so they don’t convey the intended action as effectively.

Understanding the standard hand signals used to control a trolley is what this item tests. The best signal to tell the operator to move is to extend the arm forward with the hand open and slightly raised, then push in the direction you want to travel. This gesture is clear, highly visible, and directly communicates “move forward” without ambiguity. Other gestures either imply stopping, reversing, or signaling attention rather than initiating movement, so they don’t convey the intended action as effectively.