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1000 Manufacturing Engineering
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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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