ABE QuizBee

This fuel is a mixture of two hydrocarbons of the paraffin series. At normal atmospheric pressure and temperature, they become gases. They are more or less by-products of petroleum refining process.

• a) Biogas

• b) LPG

• c) Procuder gas

• d) Natural gas

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Ab Power

If 20 kg of water is removed from 110kg of paddy, what is the percentage moisture content of paddy in wet basis?

• a) 1.8%

• b) 18%

• c) 22%

• d) none of the above

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Crop processing

In producing farm tillers, Kasaka Ltd. has determined that its selling price and the quantity it can sell per month are related by the equation p = P1350 – 0.15D where p is the price and D is the quantity it can sell or produce. If fixed costs per month amount to P200,000 and the variable cost per unit is P300, then the number of units that will maximize net profit is

• a) 2400

• b) 1250

• c) 3500

• d) 6000

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Engineerin economy

For a rice combine harvester, the recommended reel speed should be _____ faster than the ground speed.

Answer explanation

(put explanation here)

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Agricultural Mechanization

A standard heavy tractor is classified to provide a power of ___ hp and above.

Answer explanation

(put explanation here)

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Agricultural Machinery and Mechanization

If a draft animal pulls an implement with a draft of 870 N at a speed of 2.04 kph, Find the approximate power generated in hp.

Answer explanation

(put explanation here)

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AB Power

A 750 mm × 800 mm engine runs at 3,600 rpm. What is the minimum piston speed inside the cylinder?( in m/s)

Answer explanation

(put explanation here)

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AB Power

Two tons of paddy with 22% moisture content on wet basis is to be dried to 13% moisture content on dry basis. Calculate the weight of bone-dry products and water evaporated. Round answers in nearest tenths.

Answer explanation

(put explanation here)

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Crop Processing

During an engine test, a 25 cm diameter pulley was mounted on the crankshaft. It drives a 60 cm diameter pulley which rotates with the prony brake dynamometer. The moment arm of the dynamometer is 1 meter and the net load is 150 newton. If the rotation of the crankshaft is 2400 rpm, what is the power developed?

Answer explanation

(put the explsnstion here)

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AB Power Engineering