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BOARD EXAM RECALLED QUESTIONS (MILLING)

Total questions: 69

Worksheet time: 2hrs 45mins

Name
Class
Date
1.

What is the head rice percentage grain milling recovery?

4 lines
2.

A grain milling machine suitable for grinding grains with MC of up to 30%.

4 lines
3.

A kind of cleaner that uses air in separating lesser-density materials from corn kernrl/corn frits such as floured corn, germ, and bran.

4 lines
4.

A multi-pass rice mill is characterized by ______.

4 lines
5.

A rice thresher that is fed with panicles at one end and discharges threshed product at the other end is called____>.

4 lines
6.

A rice thresher that is fed with panicles at one end and discharges threshed product at the other end is called?

4 lines
7.

A type of screen cleaners that uses air blast to assist in the cleaning.

(a)  

8.

An air moving device suitable for grain cleaning.

(a)  

9.

An implement used to cut rice stalks and lay them on one side and then manually pile in one place before threshing.

(a)  

10.

Component pf a rice mill that removes bran layer in the brown rice.

(a)  

11.

Contains less than or equal to 20% longitudinal streaks.

4 lines
12.

Corn grits with particle size of 0.86 mm to 1.09 mm.

(a)  

13.

Cornmill milled corn where the outer covering and germs have been removed and with particle size of not less than 0.86 mm.

(a)  

14.

Cornmill ratio of the weight of corn grits, to the total weight of corn kernel input, expressed in percent.

4 lines
15.

Extent or degree by which the bran layer of the brown rice is removed as a result of whitening.

(a)  

16.

Factors affecting the power req. of a rice thresher.

4 lines
17.

GPEP stands for ____.

4 lines
18.

Grain or fraction of the grain with its length equal to or greater than eight-tenth of the average length of whole grain.

(a)  

19.

Grain-straw ration requirement for testing a rice thresher ranges from (a)   .

20.

Grit number of milled corn kernel with particle size between 1.8 mm to 2.0 mm.

(a)  

21.

Horizontal feed mixer is not advantageous for feed mixing as compared with vertical feed mixer for the reason that:

4 lines
22.

If a rice huller has a 0.90 hulling coeff and 0.80 wholeness coeff, what is the output per hour of the rice huller in item ? in kg of brown rice?

4 lines
23.

If mixing is needed during conveying, the suitable conveyor to use is (a)   type.

24.

If the diameter of the blower is increased, the pressure will (a)   .

25.

It is the ability of a rice mill to remove hulls without breaking.

4 lines
26.

Machine used to detach, separate and clean the corn kernels from the cobs.

(a)  

27.

Milling Recovery Index, min of rubber roll and centrifugal.

(a)  

28.

Milling Recovery Index, min of under runner (cone) type.

(a)  

29.

Moisture gradient of rice and corn for batch type and recirculating type.

4 lines
30.

Noise level, dB(A), maximum of rice reaper.

(a)  

31.

Part of the rice thresher which encloses the threshing cylinder and allows the separation of the grains from the panicles.

(a)  

32.

Part of the shelling unit that rotates about an axis and it is equipped with pegs on its periphery.

4 lines
33.

Peanut sheller Capacity.

4 lines
34.

Peanut Sheller Recovery.

(a)  

35.

Purity of material on rice mill.

(a)  

36.

Ratio of the weight of grains that fell out from the machine during threshing operation, to the weight of the total grain input of the thresher.

(a)  

37.

Ratio of the weight of the shelled corn kernels collected at all outlets, to the total corn kernel input of the sheller, expressed in percent.

4 lines
38.

Ratio of the weight of the shelled corn kernels collected at the main outlet, to the total weight of the corn kernel input of the sheller, expressed in percent.

4 lines
39.

Ratio of the whole brown rice to the total amount of dehulled grains, expressed in percent.

4 lines
40.

Rice Thresher Recovery.

(a)  

41.

The amount of foreign materials in a sample of grains.

(a)  

42.

The auger that is centrally located in a vertical feed mixer usually rotates at a speed of (a)   >.

43.

The blending of ingredients or materials in agricultural processing operation.

(a)  

44.

The coeff of friction of rice to steel material is 0.41. What would be the min angle of the hopper req for the system?

(a)  

45.

The commonly used units for throw-in type thresher.

(a)  

46.

The corrected capacity of the thresher at 20% grain moisture content (wet basis), grain-straw ratio of 0.55 and 100% purity.

4 lines
47.

The indicator of the uniformity of ground materials in the resultant product.

4 lines
48.

The major component of a corn mill that reduces corn kernels into grits.

4 lines
49.

The max percentage of recovery from rice mills.

(a)  

50.

The max speed req for vertical abrasive whitening cone machine.

(a)  

51.

The min by-product recovery requirement based on the performance criteria for corn mills.

(a)  

52.

The min main by-product recovery req. based on the performance criteria for corn mill.

(a)  

53.

The min main product recovery req. based on the performance criteria for corn mill.

(a)  

54.

The percentage of grains that are free from foreign matter.

(a)  

55.

The process of reducing the size of materials by cutting and crushing actions.

(a)  

56.

The ratio of the weight of corn grits to the total weight of corn kernels input, expressed in percent.

4 lines
57.

The recomm rpm of a thresher cylinder.

(a)  

58.

The recomm size of a scalper for paddt is ____.

4 lines
59.

The recommended clearance for a disk huller in order to achieve high brown rice recovery with less breakage.

4 lines
60.

The speed of the fixed rubber roll in a rubber roll huller is slower by (a)   compared to that of the adjustable roller.

61.

Threshing cylinder is also knowm as:

(a)  

62.

Threshing eff. basically is determined from weight of grain obtain at the (a)   to the grain input fed at the feeding trays.

63.

Throw-in type of thresher wherein cut plants are fed between the rotating cylinder and stationary concave, and the threshed materials/straws are discharged out of the threshing chamber tangentially.

4 lines
64.

Throw-in type of thresher which allows the cut plants to move in a helical manner around the threshing cylinder with a net effect of moving the material axially between the feeding and discharge outlets.

4 lines
65.

Type of forage chopper where the chopped materials are blown up through the blow-up pipe.

(a)  

66.

Type of thresher which detaches the grains by feeding the cut plants into the machine.

4 lines
67.

Type of whitening machine consisting of a cylinder or cone coated with abrasive material such as emery stone or any similar materials enclosed in a perforated steel housing.

(a)  

68.

Type of whitening machine consisting of a ridged cylinder enclosed in a perforated steel housing.

(a)  

69.

What Agricultural Machinery are usually sold in the PH?

(a)