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問題一覧
1
Which of the following is used for holding bored parts for machining their outside surface on lathe?
mandrills
2
Which is not a clamp from the followings?
T-bolt
3
What is the other name of four jaw chuck?
independent chuck
4
Which of the following is not a part of four jaw chuck?
dead center
5
Which of the following can be hold by three jaw chuck?
Hexagonal work
6
Why four jaw chuck is used?
more gripping power
7
Which chuck is push out & drawing type chuck?
Collet chuck
8
What is the other name of air operated chuck?
hydraulic chuck
9
Which of the following is not a part of hydraulic chuck?
Tail stock
10
In which of the following machine, Fixture is not used?
Fitting machine
11
Which of the following material is commonly used for making locating & locking device?
High Carbon Steel
12
Which jig is used for machining in more than one plane?
box type
13
Which type of jig is employed on multi spindle machine?
multi station jig
14
Which process is not used to construct jig & fixtures?
turning
15
How many cutters at a time milling machine can hold?
Multicutter
16
Which of the following is not holding device, in milling machine?
tail stock
17
Name the machine, where arbor is used to hold cutter for saving time?
Milling machine
18
Size of the milling machine is given by the dimension and maximum travel in three directions of which part ?
work table
19
Which bolt is used for holding work directly on milling machine?
T-bolt
20
Which of the following tables are used in milling machine?
Rectangle
21
Which of the following part of shaping machine holds & supports the work piece?
Table
22
What part carries tool head in shaping machine?
Ram
23
Which of the following part of shaper is used to hold the tool?
tool head
24
Name the job holding device in shaping machine?
vice
25
Why fixture is used as a production device?
Holds & locate the work piece
26
Which device is used in sharping machine to hold the cylindrical work piece?
V' block
27
Which of the following is used to guide the tool & hold the job in mass production?
jig
28
Drill jig bushing is generally made of?
tool steel
29
Which jig is used for drilling on thin sheet?
Sandwich jig
30
Which of the following jig made from a single block of steel to drill small work piece?
Solid jig
31
Which among the following locators is best suitable for location of a round shape job?
V' locater
32
What should be the Tolerance on jig?
20-50% of the Tolerance on the job
33
How is the clearance measured between mating parts?
FEELER GAUGE
34
What is the Accuracy of reference gauge?
0.001 MM
35
At what standard temperature the gauge stored in the section/workshop?
20°C
36
Why a feeler gauge used?
Checking gap between mating parts
37
Why a center gauge used?
Setting the Lathe tool at correct center heights
38
Which material is used for making the gauges?
Alloy steel
39
Which among the following causes first order surface irregularity?
Lack of straightness
40
Which among the following is a type of direct measuring instrument of roughness?
Profilometer
41
In which die, cutting and non cutting operations are performed per stroke?
Combination die
42
Which of the following holds the punch in positon
punch holder
43
Which die is used for more than one cutting operation per stroke?
Compound die
44
When a sectional die block is used?
Die block is too large
45
For what type of metal punching, spring strippers are used?
Very thin
46
By which operation a cup is formed from a flat blank?
Drawing
47
What is the name of operation for making hole in a work piece with the help of die?
Piercing
48
The height from the top of the bed to the bottom of the press ram is called?
Shut height
49
Which die is mostly used to produce the washer?
Compound die
50
What is the name of pin provided for locating work in subsequent operation from the previously pierced hole?
Pilot