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4. BELONIO THE FATHER > BELT AND PULLEY DRIVE > Flashcards

BELT AND PULLEY DRIVE Flashcards

1
Q

An engine is to be used to drive a
hammer mill to run at 3,000 rpm speed.
How would you couple the hammer mill to
the engine?
a. By directly connecting the engine to
the mill and increase the throttle rpm of
the engine.
b. By connecting the engine to the mill
using belt and pulley drive to reduce its
speed while running the mill at 3000 rpm.
c. By running the mill at the engine
optimum speed.
d. None of the above

A

By connecting the engine to the mill
using belt and pulley drive to reduce its
speed while running the mill at 3000 rpm.

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2
Q

If two shafts are perpendicular with
each other, what type of drive system
would you recommend?
a. Flat belt
b. V-belt
c. Sprocket and chain
d. All of the above

A

Flat belt

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3
Q

When one pulley is to be driven
horizontally and the other pulley is to be
driven vertically, what drive system would
you recommend?
a. Open drive
b. Quarter-turn drive
c. Cross drive
d. All of the above

A

Quarter-turn drive

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4
Q

If two parallel flat pulleys are to be
driven in opposite direction, what drive
would you recommend?
a. Open-belt drive
b. Cross drive
c. Quarter-turn drive
d. None of the above

A

Cross drive

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5
Q

The drive used to run perpendicular
shafts.
a. Open-belt drive
b. Cross drive
c. Quarter-turn drive
d. None of the above

A

Quarter-turn drive

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6
Q

A machine element used to drive flat
belts.
a. Pulley
b. Sprocket
c. Sheave
d. None of the above

A

PULLEY

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7
Q

A pulley that is used to tighten the belt
of a drive system.
a. Flat pulley
b. Idler pulley
c. V-pulley
d. None of the above

A

Idler pulley

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8
Q

Flat pulleys are usually provided with
crown to ___.
a. prevent the belt from slipping
b. tighten the belt
c. increase the strength of pulley
d. None of the above

A

prevent the belt from slipping

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9
Q

Flat pulleys are crowned by making
the center diameter larger than the edge
diameter by ___.
a. 1/8 in. per foot of face width
b. 1/8 in. per foot of the pulley diameter
c. 1/8 in. per foot of the belt with
d. None of the above

A

1/8 in. per foot of the pulley diameter

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10
Q

If the driver pulley diameter is
increased, the speed of the driven pulley
will___.
a. decrease
b. increase
c. rotate at the same speed
d. None of the above

A

increase

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11
Q

The commonly used belt drive for
engine-driven multi-pass rice mills.
a. Flat belt
b. V-belt
c. Groove belts
d. None of the above

A

FLAT BELT

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12
Q

The belt transmission suitable for
cross-drive system.
a. V-belt
b. Timing V-belt
c. Flat belt
d. None of the above

A

Flat belt

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13
Q

When buying flat belts, the common
parameters used are___.
a. width and thickness
b. width and ply number
c. width and weight
d. None of the above

A

width and ply number

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14
Q

The minimum allowance for face
width of a flat pulley with under 305-mm
belt width.
a. 25 mm
b. 51 mm
c. 76 mm
d. None of the above

A

25 mm

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15
Q

The minimum allowance for face
width of a flat pulley with over 610-mm
belt width.
a. 25 mm
b. 51 mm
c. 76 mm
d. None of the above

A

76 mm

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16
Q

A flat-belt material which is resistant
to oil and heat.
a. Rubberized-fabric belt
b. Reinforced-nylon chord belt
c. Canvass belt
d. None of the above

A

Reinforced-nylon chord belt

17
Q

A type of flat belt that has the
advantage of high-tensile strength to hold
metal fasteners satisfactorily and has high
resistance to deterioration due to moisture.
a. Rubberized-fabric belt
b. Reinforced-nylon chord belt
c. Canvass belt
d. None of the above

A

Rubberized-fabric belt

18
Q

If a sprocket is used for chain, a
sheave is used for ___.
a. flat belt
b. gear
c. V-belt
d. All of the above

A

V-BELT

19
Q

A V-belt with B-32 specification
means ___.
a. type B with circumferential length of
32 inches
b. type B with circumferential length of
32 cm
c. standard type V-belt whose strength is
32 times stronger than type B
d. None of the above

A

type B with circumferential length of
32 inches

20
Q

The belt size designation for
agricultural V-belts.
a. A, B, C, D, E
b. HA, HB, HC, HD, HE
c. AA-BB-CC-DD-EE
d. None of the above

A

HA, HB, HC, HD, HE

21
Q

Designations for standard V-belt are
__.
a. A, B, C, D
b. HA, HB, HC, HD
c. AA-BB-CC-DD
d. None of the above

A

A, B, C, D

22
Q

The top width and the height of Type-B
V-belt.
a. 13 mm x 8 mm
b. 16 mm x 10 mm
c. 22 mm x 13 mm
d. None of the above

A

16 mm x 10 mm

23
Q

Which of the following V-belts is larger
and stronger?
a. Type A
b. Type B
c. Type C
d. All of the above

A

TYPE C

24
Q

The commonly used V-belt in the
Philippines for agricultural operations.
a. Type A
b. Type B
c. Type C
d. All of the above

A

Type B

25
Q

If some of the belts of a multiple V-belt
drive are worn out, it is recommended that
___.
a. worn-out belts should be immediately
replaced
b. wait until all belts are worn-out before
replacing them
c. all belts should be replaced
d. None of the above

A

all belts should be replaced

26
Q

The power rating of Type-B V-belt.
a. 0.186 to 1.457 kw
b. 0.764 to 18.642 kw
c. 11.186 to 74.570 kw
d. None of the above

A

0.764 to 18.642 kw

27
Q

A ribbed-type V-belt in which ribs are
positioned across the belt length.
a. V-ribbed belt
b. Cogged belt
c. Timing belt
d. None of the above

A

Cogged belt

28
Q

Timing belt is commonly known as
___.
a. conventional flat belt
b. grooved belts
c. positive drive belt
d. All of the above

A

positive drive belt

29
Q

For variable-pitch sheaves, the
recommended belts to be used are ___.
a. double v-belt
b. timing v-belt
c. adjustable-speed belt
d. None of the above

A

adjustable-speed belt

30
Q

The ASAE designation for adjustable
speed V-belt is ___.
a. HA to HD
b. HAA to HCC
c. HI to HO
d. All of the above

A

HI to HO

31
Q

A ribbed-type V-belt in which the ribs
are positioned along the belt length.
a. V-ribbed belt
b. Cogged belt
c. Timing belt
d. None of the above

A

V-ribbed belt

32
Q

A ribbed-type V-belt in which ribs are
positioned across the belt length.
a. V-ribbed belt
b. Cogged belt
c. Timing belt
d. None of the above

A

Cogged belt

33
Q

The recommended drive to transmit
power to a shaft located about 6 meters
is ___.
a. Chain drive
b. Gear drive
c. V-belt drive
d. None of the above

A

NOTA

4. BELONIO THE FATHER (19 decks)

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