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Question 1

1. Transverse distance between the working edges of the digger. _____________

Answer 1

width of cut

Question 2

2. The cassava plants should be trimmed to at most ______ cm above soil level before digging.

Answer 2

20 cm

Question 3

3. Method of grain moisture determination based on actual extraction of water either by convection heating (oven method) or distillation. __________

Answer 3

primary method

Question 4

4. Clean, heavy glass with ground-on cover with knob, and should contain standard desiccant (i.e. silica gel). ______________

Answer 4

desiccator

Question 5

5. Ratio of the actual field capacity and theoretical field capacity, expressed in percent. _______________

Answer 5

field efficiency

Question 6

6. Self-propelled, wheeled vehicle having two axles designed to either carry, pull or propel agricultural implements and machines. ________________

Answer 6

four-wheel tractor

Question 7

7. Ratio of the dug and undug cassava, in terms of mass. _____________

Answer 7

digging efficiency

Question 8

8. Part of the frame designed to connect the implement to a tractor. __________________

Answer 8

three point hitch

Question 9

9. Carbon steel with at least _______ % carbon content (e.g AISI 1080 or its equivalent) with trace amount of boron or equivalent alloy steel shall be used in the manufacture of digging blades and coulter.

Answer 9

0.80%

Question 10

10. Ratio of the heat transferred and heat available in biomass furnace, expressed in percent. ____________

Answer 10

furnace efficiency

Question 11

11. Heat absorbed by a unit mass of a material at its boiling point in order to convert the material into a gas without temperature change. ________________

Answer 11

latent heat of vaporization

Question 12

12. Heat absorbed or evolved by a substance during a change of temperature that is not accompanied by a change of state. _____________

Answer 12

sensible heat

Question 13

13. Ratio of actual and theoretical heat supplied by the fuel to the furnace, expressed in percent. ________________

Answer 13

heating system efficiency

Question 14

14. Biomass fuel shall meet the required moisture content for efficient burning. Moisture content of rice hulls for biomass fuels shall be _______________?

Answer 14

7% (maximum)

Question 15

15. Ratio of the total cleaned shelled kernel output to the potential yield, expressed in percent. _______________

Answer 15

harvesting recovery

Question 16

16. Estimated yield per unit area, expressed in tons/ha. _______________

Answer 16

potential yield

Question 17

17. Heat resisting lining of the furnace using layer/s of fire bricks. _______________

Answer 17

Brick lining

Question 18

18. Revolving slats or arms with tines arranged parallel to the cutter bar to gather the corn stalk to the cutter bar. _______________

Answer 18

reel

Question 19

19. Corn Combine harvester fitted with full tracks. _______________

Answer 19

Track type (Crawler type)

Question 20

20. Pressure along the line of the flow that result from the air flowing through the duct. ____________

Answer 20

velocity pressure

Question 21

21. Potential energy put into the system by the fan/blower and is given up to friction in the ducts and at the duct inlet as it is converted to velocity pressure. ______________

Answer 21

static pressure

Question 22

22. Device for moving air which utilizes a power driven rotating impeller. ___________

Answer 22

blower

Question 23

23. Type of driving mechanism that directly transfers energy or power from engine crankshaft or motor shaft to the fan/blower. _____________

Answer 23

Direct-Drive Fan/Blower

Question 24

24. Indicates the uniformity of grind in the resultant product. ____________

Answer 24

fineness modulus

Question 25

25. Ratio between the amount of acceptable ground/milled product and the total milling recovery, expressed in percentage. ________________

Answer 25

milling efficiency

Question 26

26. The minimum milling efficiency shall be _______ %.

Answer 26

95%.