PAES 258:2011 - 259:2011

Question 1

PAES 258:2011

Answer 1

Agricultural Machinery – Feed Mixer – Specifications

Question 2

meal type, pellets or crumble type of food that are mixed from various raw materials
and additive

Answer 2

feeds

Question 3

machine used to mix uniformly the feed ingredients

Answer 3

feed mixer

Question 4

statistical representation of the precision of distribution of feed ingredients

Answer 4

coefficient of variation

Question 5

weight of the feed ingredients fed to the machine per unit time, expressed in kilogram
per hour

Answer 5

mixing rate

Question 6

Type of mixer that have horizontal feed mixing device(s). This mixer moves the feed ingredients from one end to the other.

Answer 6

Horizontal feed mixer

Question 7

Feed mixer that uses augers to mix the feed ingredients.

Answer 7

Auger mixer

Question 8

Feed mixer that moves the feed ingredients towards the middle, to the top, towards the sides and back down to the auger.

Answer 8

One and two augers

Question 9

Feed mixer that moves the feed ingredients towards the side and from bottom to top
of the mixer.

Answer 9

Three and four augers

Question 10

Feed mixer that uses helical ribbons to mix the feed ingredients.

Answer 10

Ribbon mixer

Question 11

Feed mixer that uses paddles (arranged radially around the shaft) to mix the feed
ingredients.

Answer 11

Paddles

Question 12

Feed mixer that uses a reel (lifts and tumbles the feed ingredients) and a set of augers
(mix the feed ingredients and move the feed to the discharge area).

Answer 12

Reel and augers

Question 13

Feed mixer that have spirals and/or pans on the interior surface of the drum and a
central auger to lift, tumble and mix the feed ingredients.

Answer 13

Tumble mixer

Question 14

Feed mixer that uses a tub or a box containing a chain, paddles or slat conveyor and
auger to tumble and mix the feed ingredients.

Answer 14

Chain, paddle and auger

Question 15

Type of feed mixer that have vertical feed mixing device. This type of feed mixer takes the ingredients to the top of mixing device where it falls and repeat this procedure until the feed ingredients are well mixed.

Answer 15

Vertical feed mixer

Question 16

Feed mixer that is commonly hitched to transport vehicle to facilitate mobility.

Answer 16

Trailer type

Question 17

Low capacity mixer that can be manually moved.

Answer 17

Cart type

Question 18

The noise emitted by the feed mixer shall not be more than ???

Answer 18

96 dB (A)

Question 19

For ribbon feed mixer, linear speed shall range from ???
The speed shall vary inversely with the circumference of the outer ribbon.

Answer 19

75 m/min to 100 m/min

Question 20

For paddle feed mixer, linear speed shall range from ???

Answer 20

100 m/min to 120 m/min

Question 21

For vertical feed mixer, the screw shall have rotating speed ranging from ???

Answer 21

100 to 200 rpm

Question 22

Warranty against defective materials and workmanship shall be provided for
parts and services except for normal wear and tear of consumable maintenance parts such as belts within ??? from the date of purchase.

Answer 22

six months

Question 23

The construction shall be rigid and durable without breakdown of its major
components for at least ??? from the date of purchase.

Answer 23

six months

Question 24

Welded joints shall not be less than ??? side fillet welded. Undercut shall not exceed ??? for any length of weld.

Answer 24

4 mm (1/8 in.)
2 mm (1/16 in.)

Question 25

statistical representation of the precision of distribution of feed ingredients

Answer 25

coefficient of variation of salt content

Question 26

mathematical average of the samples taken from the feed mixed

Answer 26

mean

Question 27

distance between the horizontal supporting plane surface and the horizontal plane touching
the uppermost part of the feed mixer.

Answer 27

overall height

Question 28

distance between the vertical planes at the right angles to the median plane of the feed mixer
and touching its front and rear extremities.

Answer 28

overall length

Question 29

distance between the vertical planes parallel to the median plane of the machine, each plane
touching the outermost point of the feed mixer on its respective side.

Answer 29

overall width

Question 30

statistical measurement of dispersion or variation in distribution of feed ingredients.

Answer 30

standard deviation

Question 31

preliminary operation of the machine to make various adjustments prior to the conduct of the test

Answer 31

running-in period

Question 32

Feed ingredients to be used shall be common or locally available. The amount of test material to be supplied shall be at least ??? of input capacity (kg/h) of feed mixer.

Answer 32

75%

Question 33

Before the start of each test trial, take at least ??? of representative samples of feed
ingredients for determination of material conditions (i.e. size, moisture content)

Answer 33

500 g

Question 34

After each test trial, samples shall be collected using ???. A total of ??? samples shall be collected from the
horizontal feed mixer.

Answer 34

grain probe
9

Question 35

After each test trial, ??? samples shall be randomly collected from the outlet. One sample shall
be obtained for every interval of collection for ??? duration per collection.

Answer 35

10
five-second

Question 36

For each test trial, randomly obtain ??? of feed ingredients and place in the
moisture can.

Answer 36

three-100g

Question 37

Dry the samples in the oven with a temperature of ??? for ???

Answer 37

105 °C ± 1 °C
72 hours

Question 38

The feed ingredients shall be incorporated with ??? by weight.

Answer 38

0.5 percent salt

Question 39

After the mixing process, samples shall be mixed to water solution ??? or using ???

Answer 39

• (chloride titrators measure dissolved Cl-)
• Omnion Sodium Analysis (measure Na+)