Q. Output of a bulldozeris (i) Increased if drawbar HP of the tractor is increased for a given hauling distance (ii) Decreased if drawbar HP of the tractor is increased for a given hauling distance (iii) Increased if the hauling distance is increased for a given drawbar HP of the tractor (iv) Decreased if the hauling distance is increased for a given drawbar HP of thetractor Of these statement

• (A) (i) and (iii) are correct
• (B) (i) and (iv) are correct
• (C) (ii) and (iii) are correct
• (D) (ii) and (iv) are correct