Q.1
What causes an un-proportionally thin and high tooth in the toe region, and a short and thick tooth at the heel?
  • a) Difference in feed rates
  • b) Difference in PCDs of the generating gears
  • c) Error in indexing while manufacturing
  • d) Difference in outer and inner circumference of the generating gear
Q.2
Which of the following is the most common material used to produce forming rolls?
  • a) Chrome steels
  • b) Oil hardened tool steels
  • c) Aluminium
  • d) Carbide
Q.3
Which of the following is correct about ECG?
  • a) Burr-free sharpening of needles
  • b) Machining of soft metals like aluminium can be easily done
  • c) Lower MRRs when grinding hard, heat-sensitive materials
  • d) Difficult to machine materials with high hardness like tungsten carbide
Q.4
Which of the following manufacturing process is favourable for making tool for ECM?
  • a) Cold forging
  • b) Casting
  • c) Shaping
  • d) Laser cutting
Q.5
According to which of the following Porous materials are classified?
  • a) total area
  • b) pore size
  • c) manufacturing method
  • d) difference between initial and final mass
Q.6
Why do the pore characteristics of the resulting pSi structures depend upon the doping type? Choose the most correct option.
  • a) The pore formation mechanism relies on doping
  • b) Atomic size of doping atom affects the final structure
  • c) Processing time depends on the doping
  • d) The manufacturing process is selected on the basis of doping
Q.7
Which of the following is the odd-one out?
  • a) micro-grinding
  • b) micro-turning
  • c) micro-milling
  • d) micro-EBM
Q.8
Thermal micromachining processes can be used to produce reduced hole diameter, lower hole pitch.
  • a) False
  • b) True
Q.9
Manufacturing of capillary electrophoresis chips has an application of which of the following process?
  • a) Electron beam machining
  • b) Abrasive jet machining
  • c) Chemical Milling
  • d) Ultrasonic machining
Q.10
WEDM process can be used for the manufacturing micro-tools.
  • a) False
  • b) True
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