1.Automatic lathes are machine tool, in which work
pieces are loaded manually.
a)True b)False
2.Choose the correct
statement(s) about automatic lathes.
a) High production rate
b) High accuracy
c) High labour fatigue
d) More labour cost
3.In automatic lathes,
there is less production time
a) True b) False
4.Semi-automatic lathes are
suitable for large size components
a)True b) False
5.In a parallel action
multi spindle automatic lathes, different kind of operation carried out on the
same workpiece
a) True b) False
6.In a multi-spindle
automatic lathes, number of spindles are vary from
a) 2 to 8
b) 2 to 6
c) 2 to 10
d) 2 to 4
7.Automatic lathes are
suitable for small size components
a) True b) False
8.In a progressive action
multi spindle automatic lathes, same operation carried out on all the spindles
a) True b) False
9.Choose the correct
statement (s) about single spindle automatic lathe
a) There is only one
spindle
b) High production rate
c) Higher machining
accuracy
d) Only one work piece is
machined at a time
10.Choose a correct
statement(s), about multi-spindle automatic lathe
a) Lower machining accuracy
b) Tool setting time is
more
c) High production rate
d) Economical for longer
runs only
11.In automatic lathes,
cams are used for power transmission
a) True b) False
12.Parallel action
multi-spindle machine are suitable for machining complicated shapes
a) True b) False
13.Production rate is very
high in parallel action multi-spindle machine
a) True b) False
14.Transfer machines are
those used to indexing the tool regarding to the operation
a) True b) False
a) only suitable for mass
production
b) workpieces are clamped
in fixtures
c) less floor space is
required
d) less production time
16.Gear broaching is mainly
used for producing external gears
a) True b) False
17.For finishing a hardened
gears, which method is/are used
a) gear grinding
b) gear lapping
c) gear burnishing
d) gear shaving
18.Choose the odd one out
a) Gear broaching
b) Gear shaping
c) Gear hobbing
d) Gear burnishing
19._________________Gears
are self-lubricating
a) Nylon
b) Fibre
c) Brass
d) Bronze
20.The gear finishing
method typically performed prior to heat treatment is:
a) Honing
b) continuous grinding
c) form grinding
d) shaving
21.The rolling action
between engaging gear teeth is due to:
a. high viscosity
lubricants
b. points of tangency
between teeth
c. the involute curve form
d. gear rotational
synchronization
22. The imaginary rolling
circle produced by meshed gears during rotation is called the:
a. Pitch Circle
b. Base Circle
c. Dedendum Circle
d. Addendum Circle
23. The most common type of
gear is the:
a. spur gear
b. helical gear
c. straight bevel gear
d. hypoid gear
24. A worm gear is an
example of a gear type used along:
a. parallel axes
b. non-intersecting,
non-parallel axes
c. connecting axes
d. intersecting axes
25. The most common gear
manufacturing method is:
a. forging
b. machining
c. injection molding
d. stamping
a. helical gears
b. spur gears
c. external gear teeth
d. internal gear teeth
27. Gear form cutting
involves the use of:
a. hobbing and shaping
b. shaping and milling
c. multiple stacked blanks
d. broaching and milling
28. The gear finishing
method typically performed prior to heat treatment is:
a. honing
b. continuous grinding
c. form grinding
d. shaving
Thanks for this useful Q&A set, I'm sure lot of people in this industry is gonna praise the effort you put in to write this post.
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