Advanced Machining Processes (AMP)

ME5I

22563

1   Nontraditional Machining is recommended when we need which of the following features
    (A)   Complex shapes
    (B)   High surface quality
    (C)   All of mentioned above
    (D)   None of above
Answer: Ans: C
2   In which of the following industries nontraditional machining method play an important role
    (A)   Automobile
    (B)   Aerospace
    (C)   Medical
    (D)   All of above
Answer: Ans: D
3   Classification of nontraditional machining processes based on source of energy are
    (A)   Mechanical
    (C)   Thermal
    (D)   Chemical & electrochemical
    (B)   All of above
Answer: Ans: D
4   In electron beam machining (EBM) as the electron strikes the workpiece
    (A)   Their kinetic energy is converted in to heat
    (B)   They get scattered
    (C)   Mechanical erosion takes place
    (D)   Electrochemical etching takes place
Answer: Ans: A
5   In electron beam machining work is held in
    (A)   Vacuum chamber
    (B)   Dielectric medium
    (C)   Electrolyte
    (D)   None of above
Answer: Ans: A
6   Following is (are) one of the vertical mill
    (A)   Bed mill
    (B)   Turret mill
    (C)   Both a & b
    (D)   None of above
Answer: Ans: D
7   In vertical mill, milling cutters are held in----------and----------
    (A)   spindle, rotates on its axis
    (B)   spindle, reciprocates
    (C)   arbor, rotates on its axis
    (D)   arbor, reciprocates
Answer: Ans: A
8   Gang milling refers to use of two or more milling cutters mounted on ------arbor in a----milling set up
    (A)   Same, vertical
    (B)   Same, horizontal
    (C)   Different, vertical
    (D)   Different, horizontal
Answer: Ans: B
9   Milling cutters may have surfaces made of
    (A)   High speed steel
    (B)   Cemented carbide
    (C)   Aluminium oxide
    (D)   Both a &b
Answer: Ans: D
10   Peripheral milling is well suited to the cutting of
    (A)   Deep slots
    (B)   Threads
    (C)   Gear teeth
    (D)   All of above
Answer: Ans: D
11   The speed at which piece advances through the cutter is called
    (A)   Cutting speed
    (B)   Feed rate
    (C)   Depth of cut
    (D)   None of above
Answer: Ans: B
12   Shaping can be performed more effectively by ------milling machine
    (A)   Horizontal
    (B)   Vertical
    (C)   Can’t say anything
    (D)   None of above
Answer: Ans: B
13   Surfacing can be performed more effectively by---------milling machine
    (A)   Horizontal
    (C)   Vertical
    (D)   Can’t say anything
    (B)   None of above
Answer: Ans: B
14   Form cutting can be performed more effectively by--------milling machines
    (A)   Horizontal
    (B)   Vertical
    (C)   Can’t say anything
    (D)   None of above
Answer: Ans: A
15   Slab milling can be performed more effectively by ----------milling machine
    (A)   Horizontal
    (B)   Vertical
    (C)   Can’t say anything
    (D)   None of above
Answer: Ans: A
16   Drilling can be performed more effectively by ----------milling machine
    (A)   Horizontal
    (B)   Vertical
    (C)   Can’t say anything
    (D)   None of above
Answer: Ans: B
17   Boring can be performed more effectively by --------milling machine
    (A)   Horizontal
    (B)   Vertical
    (C)   Can’t say anything
    (D)   None of above
Answer: Ans: B
18   Straddle milling can be performed more effectively by ------- milling machine
    (A)   Horizontal
    (B)   Vertical
    (C)   Can’t say anything
    (D)   None of above
Answer: Ans: A
19   Angular milling can be performed more effectively by --------milling machine
    (A)   Horizontal
    (B)   Vertical
    (C)   Can’t say anything
    (D)   None of above
Answer: Ans: C
20   Cutting T slots can be performed more effectively by ---------milling machine
    (A)   Horizontal
    (B)   Vertical
    (C)   Can’t say anything
    (D)   None of above
Answer: Ans: B
21   Slotting can be performed more effectively by-------milling machine
    (A)   Horizontal
    (B)   Vertical
    (C)   Both horizontal & vertical
    (D)   None of above
Answer: Ans: C
22   Which of the following methods produces gear by generating process
    (A)   Hobbing
    (B)   Casting
    (C)   Punching
    (D)   Milling
Answer: Ans: A
23   Which of the following is gear finishing operation
    (A)   Milling
    (C)   Hobbing
    (D)   Shaping
    (B)   Grinding
Answer: Ans: D
24   Gear burnishing is a process for
    (A)   Finishing
    (B)   Under cut gears
    (C)   Cycloidal gears
    (D)   None of above
Answer: Ans: A
25   Which of the following code will give ‘rapid traverse’
    (A)   G00
    (B)   G01
    (C)   G56
    (D)   G94
Answer: Ans: A
26   Which of the following code will give ‘linear interpolation’ movement
    (A)   G00
    (B)   G01
    (C)   G78
    (D)   G65
Answer: Ans: B
27   Which of the following code will give ‘circular interpolation in clockwise’ direction
    (A)   G56
    (B)   G01
    (C)   G02
    (D)   G47
Answer: Ans: C
28   Which of the following code will produce ‘dwell’ for specified time
    (A)   G18
    (B)   G65
    (C)   G45
    (D)   G04
Answer: Ans: D
29   Which of the following code will give ‘circular interpolation in anticlockwise’ direction
    (A)   G01
    (B)   G00
    (C)   G03
    (D)   G04
Answer: Ans: C
30   Dividing head is generally used for changing the angular position of workpiece relative to milling cutter
    (A)   TRUE
    (B)   False
Answer: Ans: A
31   Which of the following is precision dividing head
    (A)   Plain dividing head
    (B)   Universal dividing head
    (C)   Optical dividing head
    (D)   None of above
Answer: Ans: C
32   During execution of CNC part program block N020 G02 X45.0 Y25.0 R5.0 type of tool motion will be
    (A)   Circular interpolation clockwise
    (B)   Circular interpolation anticlockwise
    (C)   Linear interpolation
    (D)   Rapid feed
Answer: Ans: A
33   NC contouring is an example of
    (A)   Continuous path positioning
    (C)   Point to point positioning
    (D)   Absolute positioning
    (B)   Incremental positioning
Answer: Ans: A
34   Numerical control ---------
    (A)   Applies only to milling machine
    (B)   Is method of producing exact number of parts
    (C)   Is a method of controlling by means of set of instructions
    (D)   None of above
Answer: Ans: C
35   CNC machining center do not include operations like
    (A)   Welding
    (B)   Taping
    (C)   Milling
    (D)   Boring
Answer: Ans: A
36   Which of the following is not the advantage of CNC machine
    (A)   Reduced scrap rate
    (B)   Improved strength of component
    (C)   Higher flexibility
    (D)   Improved quality
Answer: Ans: B
37   Which of the machine tools are basically handled & controlled by CNC machine especially at the manufacturing sector
    (A)   Milling
    (B)   grinding
    (C)   Lathes
    (D)   All of above
Answer: Ans: D
38   In ultrasonic machining function of transducer is to
    (A)   Convert mechanical energy in to heat
    (B)   Electrical energy in to heat
    (C)   Convert electrical energy in to mechanical vibration
    (D)   Convert mechanical energy in to electrical energy
Answer: Ans: C
39   In which of the following process nozzle is used------------------ 1.Plasma arc machining 2.Ultrasonic machining 3.Abrasive jet machining
    (A)   1&2
    (B)   2 &3
    (C)   1 & 3
    (D)   1,2 &3
Answer: Ans: C
40   Automatic tool changers are used on machines where number of tools are used for machining operation
    (A)   TRUE
    (B)   False
Answer: Ans: A
41   The term vehicle in lapping denotes
    (A)   The coolant used
    (B)   The lubricant used to retain the abrasive grains
    (C)   The conveyer used for transportation of finished product
    (D)   The measuring instrument used
Answer: Ans: B
42   Which among the following processes is employed for embedding the abrasive on lap
    (A)   Lapping
    (B)   Fixing
    (C)   Charging
    (D)   Rubbing
Answer: Ans: C
43   Which among the following is the movement of the honing machine during operation
    (A)   Horizontal
    (C)   Vertical
    (D)   Angular
    (B)   Vertical &reciprocating
Answer: Ans: D
44   Cutting fluid used in surface finishing process is
    (A)   Abrasive
    (B)   Kerosene + oil
    (C)   Abrasive + water
    (D)   None of above
Answer: Ans: B
45   Burnishing is a process ----
    (A)   Cold working
    (B)   Hot working
    (C)   Press working
    (D)   Metal cutting
Answer: Ans: A
46   Grinding wheel is specified as “ A 46 K 5 B 17 “ grain size of wheel will be
    (A)   Coarse
    (B)   Medium
    (C)   Fine
    (D)   Very fine
Answer: Ans: B
47   Operation done to make periphery of grinding wheel concentric with its axis to recover its lost shape is known as
    (A)   Loading
    (B)   Glazing
    (C)   Dressing
    (D)   Trueing
Answer: Ans: D
48   Removing dull grains in order to make grinding wheel sharp
    (A)   Loading
    (B)   Glazing
    (C)   Dressing
    (D)   Trueing
Answer: Ans: C
49   Grinding operation is a
    (A)   Shaping operation
    (B)   Forming operation
    (C)   Surface finishing operation
    (D)   Dressing operation
Answer: Ans: C
50   Which of the following operation can be performed with milling cutters
    (A)   Cutting key ways on shafts
    (B)   Cutting external screw threads
    (C)   Cutting teeth of spur gears
    (D)   All of above
Answer: Ans: D
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