PRC ABE study materials
PRC ABE study resources

PRC ABE case studies

PRC ABE · Put your knowledge to work in context.

The Agricultural and Biosystems Engineer (ABE) licensure examination is one of the licensure examinations administered by the Professional Regulation Commission (PRC) of the Philippines. Passing it, together with registration, leads to issuance of a Professional Identification Card and Certificate of Registration - the documents that let a practitioner use the engineer title and sign and seal agricultural and biosystems engineering work. The PRC ABE case studies are 5 cases and about 5,470 words.

1

Drip System Retrofit on a 1.5 ha Tomato Block: Well Yield, Block Operation and Salinity

A 1.5 ha tomato block (150 m × 100 m) in Nueva Ecija is laid out with rows 1.2 m apart running the 150 m length. The cooperator has already bought a 50 mm diameter PE mainline and 16 mm laterals with inline emitters spaced 0.30 m, each rated 1.6 L/h at 10 m head.

1,024 words, about 5 min
2

Tractor and Moldboard Plow Matching for 50 ha of Sugarcane Within a 20-Day Window

A 50 ha sugarcane farm in Negros Occidental plans primary tillage with a 3-bottom moldboard plow, each bottom 0.35 m wide, working 0.20 m deep at 5 km/h. Soil resistance is estimated at 50 kPa.

1,005 words, about 5 min
3

Wet-Season Paddy Drying: 40 t at 24%, One Undersized Dryer and a Seed Lot

On a 12 ha paddy farm in Isabela, harvest of a 40 t lot (wet weight) begins at 24% moisture, wet basis, and the miller will only accept 14%. The cooperative owns one recirculating batch dryer rated 6 t of wet paddy per batch, able to remove about 6 moisture points in 14 hours.

1,026 words, about 5 min
4

Tunnel Ventilation Conversion of a 12,000-Bird Broiler House: Fan Count, Static Pressure and Hot-End Heat Build-Up

A 12 m × 100 m (1,200 m²) broiler house in Batangas holds 12,000 broilers at 2.5 kg market weight. It is being converted to tunnel ventilation; the effective cross-section at the fan end is 30 m².

1,077 words, about 5 min
5

Covered Anaerobic Digester for a 500-Head Piggery: Sizing, Gas Use and Effluent on 5 ha of Pechay

A 500-head finishing piggery in Bulacan uses a flush system and produces about 2.2 kg of fresh manure per head per day, of which 90% is collected. The fresh manure is 20% total solids, and 80% of the solids are volatile.

1,338 words, about 7 min