Biomass Shredder PAES 244-245:2010

Question 1

machine used to cut biomass materials into strips (

Answer 1

biomass shredder

Question 2

part of a shredding machine which is used to cut or sliced twigs or small branches of trees
into small and uniform sizes called chips

Answer 2

chipping section

Question 3

organic materials used as renewable source of energy and other agricultural applications

Answer 3

biomass

Question 4

part of the biomass shredder where the biomass materials to be cut are loaded

Answer 4

hopper

Question 5

electric motor or internal combustion engine used to drive the biomass shredder

Answer 5

prime mover

Question 6

weight of biomass material fed into the shredder, expressed in kilogram per hour

Answer 6

input capacity

Question 7

ratio of the weight of the input biomass materials less unshredded biomass materials, to the
total weight of the input biomass materials to the shredder, expressed in percent

Answer 7

shredding efficiency

Question 8

Biomass shredder that is installed permanently and commonly provided with adjustable
anchors to level up the machine during operation

Answer 8

Stationary type

Question 9

Biomass shredder that is commonly hitched to transport vehicle to facilitate mobility.

Answer 9

Trailer type

Question 10

Biomass shredder that is being manually pushed and/or pulled by a person to facilitate
mobility.

Answer 10

Cart type

Question 11

The blades and shaft assembly rotates with respect to the vertical axis.

Answer 11

Vertical

Question 12

The blades and shaft assembly rotates with respect to the horizontal axis.

Answer 12

Horizontal

Question 13

Blades are connected and arranged to an open cylinder main shaft.

Answer 13

Open cylinder

Question 14

Blades are connected and arranged to a closed cylinder main shaft.

Answer 14

Closed cylinder

Question 15

Machine that is composed of shredding chamber only.

Answer 15

Shredding only

Question 16

Machine that is composed of shredding chamber (cutting biomass materials into small strips)
and chipping section (cutting twigs or small branches of trees into small and uniform
thickness).

Answer 16

Chipping and shredding

Question 17

For open cylinder type of shredder, the angle of inclination with respect to horizontal
axis for blades or cutting mechanism attached to the cylinder should ______ be to
facilitate conveyance and to avoid clogging of shredded materials inside the shredding
chamber.

Answer 17

15° to 20°

Question 18

Clearance between rotating blades and counter blades of the shredding chamber shall
be at least _______.

Answer 18

6 mm (1/4 inch).

Question 19

Cover for the shredding blades shall be made of at least ______ or its equivalent material to provide safety for the operator during shredding
operation.

Answer 19

2.5 mm MS plate and/or BI

plate

Question 20

The noise emitted by the biomass shredder shall not be more than ____.

Answer 20

96 dB(A)

Question 21

Shredding efficiency shall be at least ___.

Answer 21

90%.

Question 22

distance between the horizontal supporting plane surface and the horizontal plane touching
the uppermost part of the biomass shredder
NOTE: All parts of the biomass shredder projecting upwards are contained between these two planes.

Answer 22

overall height

Question 23

distance between the vertical planes at the right angles to the median plane of the biomass
shredder and touching its front and rear extremities
NOTE: All parts of the biomass shredder, in particular, components projecting at the front and at the rear are
contained between these two planes. Where an adjustment of components is possible, its shall be set at
minimum length.

Answer 23

overall length

Question 24

distance between the vertical planes parallel to the median plane of the machine, each plane
touching the outermost point of the biomass shredder on its respective side
NOTE: All parts of the biomass shredder projecting side wards are contained between these two planes.

Answer 24

overall width

Question 25

running-in period
preliminary operation of the machine to make various adjustments prior to the conduct of the
test until the operation is stable

Answer 25

running-in period

Question 26

weight of biomass material fed into the shredder, expressed in kilogram per hour

Answer 26

input capacity

Question 27

biomass material that is not totally cut into strips

Answer 27

unshredded

Question 28

In general, the test materials shall be ______.

Answer 28

young coconut (“buko)

Question 29

The amount of

test material to be supplied shall be at least _____ of input capacity of biomass shredder.

Answer 29

75%

Question 30

For each test trial, weigh three-_____ of biomass materials

Answer 30

100g

Question 31

Dry the sample in the oven with temperature of ___ for ___ hours.

Answer 31

105°C ± 1°C

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