Materials Science and Manufacturing Engineering Miscellaneous
- Tolerance on the dimension x in the two component assembly shown below in (all dimension are in mm)
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Xmax = 50.02 – (38 – 0.015) – (10 – 0.01)
= 2.045mm
Xmin = 49.98 – (38 + 0.015) – (10.01) = 1.955mm
X = 2 ± 0.045Correct Option: D
Xmax = 50.02 – (38 – 0.015) – (10 – 0.01)
= 2.045mm
Xmin = 49.98 – (38 + 0.015) – (10.01) = 1.955mm
X = 2 ± 0.045
- The hardness of a grinding wheel is determined by the
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Bond strength gives the hardness of wheel for softmaterial strong bond material is used for hard material soft bond material is used
Correct Option: B
Bond strength gives the hardness of wheel for softmaterial strong bond material is used for hard material soft bond material is used
- Among the conventional machining processes, maximum specific energy is consumed in
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Grinding because of smaller chips, large cutting area.
Correct Option: D
Grinding because of smaller chips, large cutting area.
- Cutting power consumption in turning can be significantly reduced by
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By increasing the back rake angle the drag between chip & tool decreased hence cutting power consumption decreased.
Correct Option: A
By increasing the back rake angle the drag between chip & tool decreased hence cutting power consumption decreased.
- A grinding wheel A 27 K 7 V is specified for finish grinding of a HSS cutting tool. What do you understand about the wheel from the above code. Is this an appropriate choice?
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Grain size is given for rough cut. 27 ? rough cut
Correct Option: C
Grain size is given for rough cut. 27 ? rough cut
