Advanced Manufacturing Processes mcq pdf

Advanced Manufacturing Processes mcq questions and answers for online exams. We also trying to provide you Advanced Manufacturing Processes mcq pdf for download. Advanced Manufacturing Processes (Mechanical Engineering) multiple choice questions for your preparation.

Advanced Manufacturing Processes mcq

Q.no 1. which of the following is latest technology
A : Manual Prototyping
B : Virtual Prototyping
C : soft prototyping
D : Rapid Prototyping

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Rapid Prototyping

Q.no 2. Shear spinning is also known as
A : Flow spinning
B : Spin forging
C : All of above
D : None of the above

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All of above

Q.no 3. Full Form of EBM in additive Manufacturing
A : Electron Beam Melting
B : Electron Beam Machining
C : Electric beam machining
D : Electron Beam Method

Electron Beam Melting

Q.no 4. What are the voltage values used in the STEM process?
A : 1 – 4 V
B : 8-14 V
C : 16-24 V
D : 28-34 V

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8-14 V

Q.no 5. Which one of additive manufacting processes uses solid stock as the starting material
A : ballistic particle manufacturing
B : fused Deposition Modelling
C : Light Object Manufacturing
D : Sterelithography

Light Object Manufacturing

Q.no 6. What is the full form of ECG in the advanced machining processes?
A : Electro cardio graph
B : Electro chemical grinding
C : Electro chemical grooving
D : Electric cathode grinding

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Electro chemical grinding

Q.no 7. Which of the following process is called as high rate energy forming.
A : Explosive forming
B : Electron beam cutting
C : Redrawing
D : Shear spinning

Explosive forming

Q.no 8. The grinding wheel used in the ECG process is of which charge given below?
A : Positive charge
B : Negative charge
C : Neutral charge
D : All of the mentioned

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Neutral charge

Q.no 9. Which is first step in additive manufacturing processes
A : 3D Model creation
B : STL file Creation
C : STL file Transfer
D : Machine Set up

3D Model creation

Q.no 10. Micro Machining has ability to produce features with the diamentions as small as
A : 1nm to 999nm
B : 1µm to 999µm
C : 1mm to 100mm
D : 100µm to 9999µm

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1µm to 999µm

Q.no 11. Polymerization happens
A : When the light of appropriate wavelength falls on liquid photopolymer
B : when the light of short wavelength falls on liquid photopolymer
C : when the light of appropriate wavelength falls on solid photopolymer
D : when the light of appropriate wavelength falls on powder photopolymer

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When the light of appropriate wavelength falls on liquid photopolymer

Q.no 12. The topography of the surface is characterized by Scanning electron microscope (SEM),
Atomic Force Microscope (AFM) and Scanning Tunneling Microscope (STM).

A : TRUE
B : FALSE
C : Partially true
D : Can’t say

TRUE

Q.no 13. Diamond Micro Machining uses diamond as a cutting tool material because
A : Diamond has a high coefficient of friction
B : Diamond has low hot hardness
C : Diamond has a crystalline structure which allows to produce a very sharp cutting edges
D : Diamond has high hot hardness

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Diamond has a crystalline structure which allows to produce a very sharp cutting edges

Q.no 14. EMF is primarily used for which of the following material?
A : Silver
B : High carbon steel
C : Chromium alloys
D : Martensitic steel

Silver

Q.no 15. In Ultrasonic Micro Machining, the abrasive slurry usually consists of water medium
due to its

A : low viscosity and low thermal conductivity
B : high viscosity and high thermal conductivity
C : high viscosity and low thermal conductivity
D : low viscosity and high thermal conductivity

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low viscosity and high thermal conductivity

Q.no 16. Why blind corners and radii should be avoided while roll forming?
A : It needs an additional setup
B : It is time consuming
C : Skilled labour is a need for that
D : Less accuracy

Less accuracy

Q.no 17. What may the hole sizes, that can be machined using STEM process?
A : 0.02 – 0.3 mm
B : 0.5 – 6 mm
C : 8 – 20 mm
D : 50 – 76 mm

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0.5 – 6 mm

Q.no 18. The most common cutting method of roll forming is ____________
A : sawing
B : pre-cutting
C : parting
D : post-cutting

post-cutting

Q.no 19. What is full name of LOM in Additive Manufacturing
A : Laminated Object Manufacturing
B : Laser Object Manufacturing
C : Light Object Manufacturing
D : Less object Manufacturing

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Laminated Object Manufacturing

Q.no 20. Full form of STL is
A : Straight -lithography
B : stress-lithography
C : stereo-lithography
D : straight -lipsography

stereo-lithography

Q.no 21. In explosive forming
A : Preheating of work piece is required
B : Preheating of work piece is not required
C : May be or may not be Preheating of work piece is required
D : None of the above

Preheating of work piece is not required

Q.no 22. Ultrasonic Micro Machining is a material removal process used to_____ material.
A : corrode
B : erode
C : melt
D : form

erode

Q.no 23. Diamond micromachining is of particular interest for the
A : Optical and electronics industries
B : Glass industries
C : tyre industries
D : cement industries

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Optical and electronics industries

Q.no 24. __________ is used to investigate the electrically non-conductive materials.
A : Scanning electron microscope
B : Transmission electron microscope
C : Atomic force microscope
D : Scanning tunneling microscope

Atomic force microscope

Q.no 25. Which of the following is typically the cheapest type of additive manufacturing
processes

A : Fused Deposition Modelling
B : sterelithography
C : Selective Laser Sintering
D : Solid ground curing

Fused Deposition Modelling

Q.no 26. Manufacturing process where an object is created by successively layering sheets of
build material ,bonding them through heat and pressure and then cutting into desired shape

A : Laminated Object Manufacturing
B : Fused Deposition Modelling
C : Selective Laser Sintering
D : Sterelithography

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Laminated Object Manufacturing

Q.no 27. The EMF process allows increased ductility for______________ alloys.
A : Chromium – molybdenum
B : Aluminium
C : Nickel
D : Chromium – mangnese

Aluminium

Q.no 28. Which type of printer uses an enclose build area
A : Fused Deposition Modelling
B : sterelithography
C : Solid ground curing
D : Selective Laser Sintering

sterelithography

Q.no 29. Scanning electron produces __________ image.
A : 2-dimensional
B : 3-dimensional
C : Scattered
D : Bitmap

3-dimensional

Q.no 30. Size of the abrasive particles used in Ultrasonic Micro Machining varies in the range
A : 2000 to 20000 grit
B : 200 to 2000 grit
C : 2 to 200 grit
D : 4000 to 20000 grit

200 to 2000 grit

Q.no 31. _____________ used for imaging of the surface at the atomic level.
A : Scanning electron microscope
B : Transmission electron microscope
C : Atomic force microscope
D : Optical microscope

Atomic force microscope

Q.no 32. Which of the following is appropriate characteristics or application for High Energy
rate forming process

A : Only Female die is needed
B : magnetic pulse forming
C : pivoted pointer
D : flower Design

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Only Female die is needed

Q.no 33. The composition and structure of the material can be characterized by identifying
A : Topography
B : Elemental composition
C : Bulk structure and composition
D : All of the above

All of the above

Q.no 34. The maximum resolution in SEM depends ______________.
A : electron beam size
B : accelerating voltage
C : interaction area between elctron beam and surface.
D : All of the above

All of the above

Q.no 35. Which of the following electrolytes are used for machining purpose in ECG?
A : Sodium nitrate
B : Hydro Chloric acid
C : Nitric acid
D : Potassium permanganate

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Sodium nitrate

Q.no 36. Which of the following is true about EMF process?
A : Intense electric field is produced using capacitors and coils
B : Heavy current is made to flow through the work piece
C : Intense magnetic field is produced for few microseconds
D : Principle of electromagnetic induction is used to pre-heat the work piece

Intense magnetic field is produced for few microseconds

Q.no 37. For Addittive manufacturing 3D CAD model should be converted into which file.
A : SGC
B : SLA
C : STL
D : SLS

STL

Q.no 38. Ratio of diameter of blank to diameter of mandrel is defined as
A : feed ratio
B : spinning ratio
C : spindle speed
D : None of the above

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spinning ratio

Q.no 39. _______ is used to identify the image of interior cells of a biological specimen, the
structure of protein molecules

A : Inverted microscope
B : Optical microscope
C : Transmission electron microscope
D : Scanning electron microscope

Transmission electron microscope

Q.no 40. ______ is used to identify secondary electron signals and identify the image of the
surface.

A : Condenser lenses
B : Computer display
C : Electromagnetic lenses
D : Electron detector

Electron detector

Q.no 41. Atomic Force Microscope was invented by _________ along with Calvin Quate and
Christoph Gerber

A : Max Knoll
B : Gerd Binnig
C : Manfred Ardenne
D : Ernst Rusca

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Gerd Binnig

Q.no 42. In________ mode of scanning tunneling microscope, tunneling current is kept constant
by adjusting the tip height of the stylus.

A : Constant voltage mode
B : Constant current mode
C : Constant height mode
D : Constant width mode

Constant current mode

Q.no 43. Which of the following is used as base material in Stareolithography process
A : Thermoplastic,Metal powder
B : Thermoplastic ,Eutectic Metals
C : photopolymer
D : Titanium alloys

photopolymer

Q.no 44. Post-cut roll forming production speeds are ______________
A : 100 to 180 feet per minute
B : 650 to 780 feet per minute
C : 800 to 900 feet per minute
D : up to 100 feet per minute

100 to 180 feet per minute

Q.no 45. Which of the following example of appropriate application of additive manufacturing in
the actual production of parts and products

A : Casting made in small quantites
B : special textile products
C : plastic parts in small batch sizes
D : parts with complex gometries

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plastic parts in small batch sizes

Q.no 46. _________ is a non-contact type stylus profilometer in which a sharp tip is mounted on a
flexible cantilever beam.

A : Transmission electron microscope
B : Optical microscope
C : Scanning electron microscope
D : Atomic force microscope

Atomic force microscope

Q.no 47. The principle which is used for converting electrical energy into mechanical energy in
Ultrasonic Micro Machining is

A : Faraday’s law
B : Stefan’s law
C : Piezoelectric effect
D : Thomson’s law

Q.no 48.
During Ultrasonic Micro Machining __________ is converted into mechanical vibrations.

A : pressure energy of the slurry
B : electrical energy
C : chemical energy of the chemical used for the slurry
D : mechanical energy of the tool

electrical energy

Q.no 49. Scanning Tunneling Microscope works on the measurement of _____________.
A : Scattering of electron from specimen to the surrounding
B : Transmission of electron from specimen to the surrounding
C : Tunneling current flow between the stylus tip and specimen surface
D : Deflection of cantilever beam

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Transmission of electron from specimen to the surrounding

Q.no 50. Choose the correct sequence to generate prototype
A : 3D CAD data-CAD solidmodel-STL file-RP prototype
B : CAD solid model-3D CAD data-Rp prototype-STL files
C : STL file-3D CAD data -CAD solid Model-Rp prototype
D : 3D CAD data-STL file -CAD solid Model-Rp prototype

3D CAD data-CAD solidmodel-STL file-RP prototype

Q.no 51. The location of the critical chip thickness during Diamond micromachining is
dependent on

A : cutting speed
B : depth of cut
C : feed
D : nose radius of tool

feed

Q.no 52. Which of the following pumps is used in Ultrasonic Micro Machining?
A : Re‐circulating pump
B : Centrifugal pump
C : Vane pump
D : Reciprocating pump

Re‐circulating pump

Q.no 53. Atomic Force Microscope was invented in the Year_____.
A : 1986
B : 2011
C : 1999
D : 2016

1986

Q.no 54. Identify the correct statements from following for Transmission electron microscope
(TEM). 1) Electrons transmitted through the sample, 2) TEM provides an internal composition
of the material, 3) TEM having high resolution than SEM and 4) Imaging formatio

A : 1, 2, 3 and 4 are correct
B : 2 and 4 are correct
C : 2, 3 and 4 are correct
D : 1, 2 and 3 are correct

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1, 2 and 3 are correct

Q.no 55. Atomic force microscopy works on the principle of _______.
A : deflection of probe tip by the attraction or repulsion by the surface
B : transmission of electrons from the surface of conductive material
C : diffraction of electrons from the surface of conductive material
D : measurement of tunneling current flow between the stylus tip and specimen surface

deflection of probe tip by the attraction or repulsion by the surface

Q.no 56. ________________ is used to protect the remaining area of the wafer while machining.
A : Tin foil
B : Wood
C : Photoresist layer
D : Sodium bicarbonate

Photoresist layer

Q.no 57. The velocity range for HERF process is
A : 0.03 m/s
B : 0.24 to 4.2 m/s
C : 20 to 228 m/s
D : 0.03 to 0.73 m/s

0.03 m/s

Q.no 58. Thermal effects in Diamond turning are minimised due to
A : low thermal conductivity of Diamond tool
B : low coefficient of friction, and low thermal conductivity of Diamond tool
C : high coefficient of friction, and high thermal conductivity of Diamond tool
D : low coefficient of friction, and high thermal conductivity of Diamond tool

low coefficient of friction, and high thermal conductivity of Diamond tool

Q.no 59. Which of the following process is suitable for making injection molding tools
A : stereo-lithography
B : Selective Laser Sintering
C : Electron beam melting
D : Fused Deposition Modelling

Selective Laser Sintering

Q.no 60. Which of the following are problems with the current rapid prototyping and additive
manufacturing technologies

A : Limited material variety
B : inability to convert a solid part into layers
C : poor machinability of the starting material
D : the inability of the desidner to design the part

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Limited material variety

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