Helical grooves are provided on a drill bit
A) To provide long cutting edge
B) To guide the cutting top
C) To reduce the cost of the drill bit
D) To provide a passage for the coolant
E) To remove chips
Correct Answer:
Verified
Q41: Which one of the following is known
Q42: Joggled welded joints are used
A)For heavy loading
Q43: The passage way of bringing the molten
Q44: A non-consumable electrode is used in
A)Gas welding
B)DC
Q45: Thermistors are
A)Clad metals used in accurate measurement
Q47: A soldering iron is used mainly to
A)Heat
Q48: Which of the folliwjng is not an
Q49: The binding material used in cemented carbide
Q50: Chromatography is
A)The method of determining alloying elements
Q51: Which of the following drilling machine is
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