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Not AvailableBlack pepper corn at three moisture contents (5.5%, 11.4% & 17.6%, db) was subjected to size reduction using micro pulverizer with screen aperture size (0.5 mm, 1.0 mm & 1.5 mm) and feed rate (8, 16 & 24 kg h-1) at constant rotor speed (3000 rpm). It was found that the specific energy consumptions showed a decreasing trend (310.71-30.55 kJ kg-1) with increase of feed rate but increasing trend with moisture content and screen openings. Maximum specific energy consumption was recorded for 11.4% moisture content and 8 kg h-1 feed rate with 1.0 mm screen aperture size. The average particle size increased from 0.21 mm to 0.29 mm with increase of moisture content and screen opening. The Bond's work index (0.086-0.312 kWh kg-1) and Kick's constant (0.68 to 20.33 kWh kg-1) showed direct motion with moisture content feed rate and screen aperture size. Size reduction ratio and grinding effectiveness of …Not Availabl