1) Which one of the following is used to guide the tool and hold the job in mass production?
Fixture
Gauge
Jig
Housing
2) Which one of the following is used to clamp the job in relation to the tool in mass production?
Fixture
Gauge
Jig
Housing
3 ) Which among the following locators is best suitable for the location of a round shaped job?
Wedge type locator
Adjustable stop locator
Vee locator
Pin type locator
4) Usually drill jig is not clamped to the drilling machine table. Which among the following is the reason for this?
It is rigid enough for this operation
Number of holes of various sizes are normally being drilled in the different setting
It is a more time-consuming device
It is easy for operation
5) Drill jig bushings are generally made of
Tool steel
Cast iron
Mild steel
Cast steel
6) Which among the following is the purpose of providing bushing in a drill jig?
For locating accurately and guiding the drill for the precise drilling operation
For getting the good finished surface in the drilled holes
For easy drilling
For determining the size of the hole to be drilled
7) Drill jig bushings are normally hardened to
Guide the tool so that it does not go inclined
Ensure prolonged life without wear and tear so as to guide the tool accurately
Protect the jig from damage
Allow the chips to come out easily
8) Plain drill jig bushings are generally secured in the body of the jig so that the bushings should not
Vibrate while in operation
Vibrate, rotate and be withdrawn while in operation.
Rotate when the tool is rotating
Get withdrawn with the tool
9) Fixed renewable bushings are used when
Many a-holes of various sizes are to be drilled on a jig in different settings
More than one operation has to be performed through the same location of the jig
One operation is to be performed in each hole but several bushings must be used during the life of the jig
No bushing change is required
10) Slip renewable bushings are used when
Many a hole of various sizes are to be drilled on a jig in different settings
More than one operation has to be performed through the same location on the jig
One operation is to be performed but several bushings must be used during the life of the jig
No bushing change is required
11) Which one of the following bushings are used to locate the renewable bushings?
Knurled bushing
Special bushing
Press fit bushing
Liner bushing
12) Tolerance on jig should be
5% of the tolerance on the job
10% of the tolerance on the job
20 to 50% of the tolerance on the job
100% of the tolerance on the job
13) Which among the following statements is NOT correct?
The jig is used for an indexing operation
The jig is used for drilling operation
The jig is used for boring operation
The jig is used for planning operations
14) Lathe mandrels can be termed as a
Template
Gauge
Fixture
Jig
15) The jig is a device which
Locates the workpiece
Holds and supports the workpiece
Guides the cutting tool
Does all the above
16) Drill jigs are used for
Clamping the job when drilling
Drilling operations only
Guiding the tool only
Drilling, reaming, tapping and other allied operations
17) The fixture is a production device which
Holds the workpiece
Locates the workpiece
Holds and locates the workpiece
Neither holds nor locates the workpiece
18) Which among the following jigs is used for the location from a bore?
Plate jig
Solid jig
Post jig
Box jig
19) Which one of the following jigs consists of drill plate, which rests on the component to be drilled?
Plate Jig
Box Jig
Post Jig
Solid Jig
20) Which one of the following devices are used for the convenience of fabrication of a job by welding which is set in this 360° as per requirement?
Fixture
template
jig
Gauge
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