In a modern agricultural tractor equipped with a dual clutch mechanism:
Options:
(A) Depressing the clutch pedal halfway disengages transmission drive while keeping the PTO shaft powered; depressing it fully disengages both transmission and PTO drives
(B) One clutch steers the left wheel while the other steers the right wheel
(C) Both clutch discs are permanently locked together without disengagement
(D) The PTO can only be engaged while the tractor is travelling at top speed
Answer Key:
A
Step-by-Step Solution & Explanation
A dual clutch features two separate concentric clutch discs. Depressing the foot pedal halfway releases the transmission friction disc, halting forward ground motion while the independent PTO disc remains engaged (essential for clearing balers or rotavators). Full pedal travel disengages both drives.