JIGS AND FIXTURES MCQ 2
1) Which among the following is a locator used for location from internal diameter?
Vee locator
Pin type locator
Solid supports
Nest locator
Correct Answer- (B)
2) Jigs and fixtures are the production devices used to manufacture duplicates parts accurately. Which one of the following statements is NOT correct with respect to jig ?
It holds the workpiece
It locates the tool and the workpiece
It holds the tool
It guides the tool
Correct Answer- (C)
3) Jigs and Fixtures are used for
(A) Mass production
(B) Identical parts production
(C) Both ‘A’ and ‘B’
(D) None of the above
Correct Answer- (C)
4) The use of jigs and fixtures
Facilitates deployment of less skilled labour for production
Eliminates pre-machining operations like marking, measuring, laying out etc.
reduced manual handling operations
All of the above
Correct Answer- (D)
5) The following is the function of a jig
Holding
Locating
Guiding
All of the above
Correct Answer- (D)
6) A fixture does not
Holds the workpiece
Locate the workpiece
Guide the tool
All of the above
Correct Answer- (C)
7) Jigs are not used in
Reaming
Milling
Tapping
Drilling
Correct Answer- (B)
8) Fixtures are used in
Milling
Shaping
Turning
All of the above
Correct Answer- (D)
9) The following holds the workpiece securely in a jig or fixture against the cutting forces
Guiding device
Clamping device
Indexing device
Locating device
Correct Answer- (B)
10) The following is a quick acting clamp
Hinged clamp
Cam operated clamp
Bridge clamp
Edge clamp
Correct Answer- (B)
11) The following material is commonly used for making locating and clamping devices
Low carbon steel
High speed steel
Die steel
High carbon steel
Correct Answer- (D)
12) The following type of jig is used for machining in more than one plane
Open type jig
Box type jig
Plate type jig
Template jig
Correct Answer- (C)
13) The jigs and fixtures can be constructed through
Casting
Fabrication
Welding
All of the above
Correct Answer- (D)
14) The device which place the workpiece in the same position, in jig and fixture, cycle after cycle is called as
locating device
placing device
positioning device
fixing device
Correct Answer- (A)
15) Which fixtures are used for machining parts which must have machined details evenly spaced?
Profile fixtures
Duplex fixtures
Indexing fixtures
None of the above
Correct Answer- (C)
16) With the use of Jigs and fixture quality control expenses will
Reduce
Increases
Jigs and fixture are not used in any production process
None of the mentioned
Correct Answer- (A)
17) Which one of the following is used to guide the tool and hold the job in mass production ?
Gauge
Jig
Housing
Fixture
Correct Answer- (B)
18) Which one of the following is used to clamp the job in relation to the tool in mass production?
Gauge
Fixture
Jig
Housing
Correct Answer- (B)
19 ) Which among the following locators is best suitable for location of a round shaped job?
Wedge type locator
Adjustable stop locator
Vee locator
Pin type locator
Correct Answer- (C)
20) Usually drill jig is not clamped to the drilling machine table. Which among the following is the reason for this?
It is a more time consuming device
It is easy for operation
Number of holes of various sizes are normally being drilled in different setting
It is rigid enough for this operation
Correct Answer- (D)
21) Drill jig bushings are generally made of
Tool steel
Mild steel
Cast iron
Cast steel
Correct Answer- (A)
22) Which among the following is the purpose for providing bushing in a drill jig ?
For determining the size of the hole to be drilled
For getting good finished surface in the drilled holes
For easy drilling
For locating accurately and guiding the drill for precise drilling operation
Correct Answer- (D)
23) 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
Allow the chips to come out easily
Protect the jig from damage
Correct Answer- (B)
24) Plain drill jig bushings are generally secured in the body of jig so that the bushings should not
Rotate when the tool is rotating
Get withdrawn with the tool
Vibrate, rotate and be withdrawn while in operation.
Vibrate while in operation
Correct Answer- (C)
25) 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
Correct Answer- (C)
26) 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
Correct Answer- (B)
27) Which one of the following bushings is used to locate the renewable bushings?
Special bushing
Press fit bushing
Knurled bushing
Liner bushing
Correct Answer- (D)
28) 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
Correct Answer- (C)
29) Which among the following statements is NOT correct?
Jig is used for planning operations
Jig is used for indexing operation
Jig is used for boring operation
Jig is used for drilling operation
Correct Answer- (A)
30) Lathe mandrels can be termed as a
Template
Fixture
Gauge
Jig
Correct Answer- (B)
31) Jig is a device which
Locates the workpiece
Holds and supports the workpiece
Guides the cutting tool
Does all the above
Correct Answer- (D)
32) Drill jigs are used for
Guiding the tool only
Drilling, reaming, tapping and other allied operations
Clamping the job when drilling
Drilling operations only
Correct Answer- (B)
33) Fixture is a production device which
Holds the workpiece
Locates the workpiece
Holds and locates the workpiece
Neither holds nor locates the workpiece
Correct Answer- (C)
34) Which among the following jigs is used for location from a bore?
Box jig
Plate jig
Solid jig
Post jig
Correct Answer- (D)
35) Which one of the following jigs consists of drill plate, which rests on the component to be drilled?
Post Jig
Box Jig
Solid Jig
Plate Jig
Correct Answer- (D)
36) Which one of the following devices is used for the convenience of fabrication of a job by welding which is set in this 360° as per requirement ?
Gauge
template
jig
Fixture
Correct Answer- (D)
