GEAR DRIVE Flashcards

1
Q

A drive in which shafts are operating
on a counterclockwise direction.
a. Open drive belt
b. Chain and sprocket
c. Gears
d. All of the above

A

Gears

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2
Q

Gears are used for agricultural
machinery because ___.
a. they are expensive and durable
b. they transmit high power and
efficiency and with long service life
c. they have low operating and
maintenance costs
d. None of the above

A

they transmit high power and
efficiency and with long service life

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3
Q

The most common type of gear used
in agricultural machinery with straight
and parallel teeth to the shaft axis.
a. Worm gear
b. Bevel gear
c. Spur gear
d. All of the above

A

Spur gear

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4
Q

The projecting part of a gear that
comes in contact with the other gear
resulting in an opposite direction
rotation.
a. Gear module
b. Gear tooth
c. Gear pitch circle
d. None of the above

A

Gear tooth

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5
Q

The spacing of gear teeth which is
measured along the pitch circle.
a. Addendum
b. Dedendum
c. Circular pitch
d. None of the above

A

Circular pitch

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6
Q

A type of gear commonly used for gear
reducers or gear motors.
a. Worm gear
b. Bevel gear
c. Spur gear
d. All of the above

A

Worm gear

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7
Q

A type of gear used for power-take off
drive.
a. Worm gear
b. Spur gear
c. Spline shaft gear
d. None of the above

A

Spline shaft gear

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8
Q

The smallest gears that are meshing
together.
a. Spur
b. Bevel
c. Pinion
d. All of the above

A

Pinion

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9
Q

The service factors used in calculating
the design power for gears include ___.
a. type of load
b. type of lubrication
c. All of the above
d. None of the above

A

All of the above

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10
Q

AGMA

A

American Gear Manufacturers
Association

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11
Q

A type of gear used to transmit
rotational motion and power between
parallel shafts.
a. Helical gear
b. Bevel gear
c. Worm gear
d. None of the above

A

Helical gear

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12
Q

A type of gear used for intersecting
shaft usually at right angles.
a. Worm Gear
b. Bevel gear
c. Spur gear
d. All of the above

A

Bevel gear

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13
Q

A type of gear used to transmit
rotational motion and power between
intersecting shafts.
a. Helical gear
b. Spur gear
c. Bevel gear
d. None of the above

A

Bevel gear

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14
Q

A type of gear used to connect an
implement shaft to the tractor PTO shaft.
a. Bevel gear
b. Spline shaft gear
c. Spur gear
d. None of the above

A

Spline shaft gear

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15
Q

When buying gear box, which of the
following important parameters need to
be specified?
a. Speed ratio & power rating
b. Power rating & rpm
c. Rpm & Speed ratio
d. None of the above

A

Speed ratio & power rating

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16
Q

The larger part of the meshing gear is
called ____.
a. Pinion gear
b. Gear
c. Mesh gear
d. None of the above

A

Gear

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17
Q

The smaller part of meshing gear is
___.
a. Pinion gear
b. Gear
c. Mesh gear
d. None of the above

A

Pinion gear

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18
Q

Which of the following belongs to
parallel shaft gears?
a. Spur gears
b. Helical gear
c. Internal gear
d. All of the above
e. Two of the above

19
Q

Parallel shaft gears with straight
tooth line.
a. Spur gear
b. Helical gear
c. Internal gear
d. None of the above

20
Q

Parallel shaft gear with winding tooth
line.
a. Spur gear
b. Helical gear
c. Internal gear
d. None of the above

A

Helical gear

21
Q

Parallel shaft gear that can transmit
high load and higher speed applications.
a. Spur gear
b. Helical gear
c. Internal gear
d. None of the above

A

Helical gear

22
Q

A straight rod that mesh with pinion
used to convert rotational motion to
linear motion.
a. Gear rack
b. Gear rod
c. Gear shaft
d. All of the above

23
Q

Which of the following belongs to
non-parallel shaft gears?
a. Bevel gear
b. Worm gear
c. Miter gear
d. All of the above
e. None of the above

24
Q

A bevel type gear with speed ratio of 1
used only to change the direction of
power transmission
a. Screw gear
b. Spiral bevel gear
c. Miter gear
d. None of the above

A

Miter gear

25
Angular miter gear can transmit power in ____ angle. a. 90 deg b. 120 deg c. 140 deg d. All of the above e. None of the above
AOTA
26
Suitable type of bearing for miter gear? a. Radial bearing b. Thrust bearing c. Slide bearing d. All of the above
Thrust bearing
27
It is non-intersecting, non-parallel type of gear that is usually used for gear boxes in transmitting high speed to low speed drive. a. Miter gear b. Screw gear c. Worm gear d. None of the above
Worm gear
28
In gear boxes, the larger gear is called ___ . a. Worm b. Wheel c. Gear d. None of the above
WHEEL
29
The long-gear small diameter that mesh with the wheel of a gear box or reducer. a. Worm b. Wheel c. Gear d. None of the above
WORM
30
It is the distance between similar , equally spaced tooth surfaces along a given line or curve. a. Pitch b. Diametral pitch c. Center distance d. All of the above
PITCH
31
The distance between the parallel axes of spur gear or of parallel helical gears, or the crossed axes of crossed helical gears or of worms of worm gears. a. Pitch b. Diametral pitch c. Center distance d. None of the above
CENTER DISTANCE
32
A measure of tooth size or the number of teeth per inch of pitch diameter. a. Pitch b. Diametral pitch c. Center distance d. None of the above
DIAMETER PITCH
33
These are the tangent lines in mating gears. a. Root circle b. Pitch circle c. Gear center d. All of the above
PITCH CIRCLE
34
The center of the pitch circle. a. Gear center b. Pitch center c. Root center d. None of the above
GEAR DISTANCE
35
The center of the pitch circle. a. Gear center b. Pitch center c. Root center d. None of the above
GEAR DISTANCE
36
Size of gear basically is the ____ of the gear. a. pitch diameter b. number of teeth c. face width d. All of the above
pitch diameter
37
It is the ratio of the larger to the smaller number of teeth in a pair of gear. a. Gear tooth ratio b. Contact ratio c. Hunting ratio d. None of the above
Gear tooth ratio
38
It is the measure of overlapping action of the gear surfaces. a. Gear ratio b. Contact ratio c. Hunting ratio d. None of the above
Contact ratio
39
A ratio of numbers of gear and pinion teeth which ensures that each tooth in the pinion will contact every tooth in the gear before it contacts any gear tooth a second time. a. Gear tooth ratio b. Contact ratio c. Hunting ratio d. None of the above
Hunting ratio
40
It is the tangent to the bottom of the tooth spaces in a cross section. a. Pitch circle b. Root circle c. Addendum circle d. None of the above
ROOT CIRCLE
41
Tangent in the mating gears. a. Pitch circle b. Root circle c. Addendum circle d. None of the above
PITCH CIRCLE
42
Distance from the tip of the gear to the pitch circle. a. Addendum b. Dedendum c. Gear teeth height d. None of the above
ADDENDUM
43
Distance from the pitch circle to the root circle. a. Addendum b. Dedendum c. Gear teeth height d. None of the above
Dedendum