111. A single point thread cutting tool should ideally have
112. During normalizing process of steel, the specimen is heated
113. A grinding wheel becomes glazed (i.e. cutting edge takes a glass-like appearance) due to
114. Calculate the weld per minute, work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm on 1.6 mm thick mild steel tube. Welding cycle consists of 3 cycles ‘on’ and 2 cycles ‘off’ Power supply is at 50 Hz.
115. The helix angle of a drill is __________ for drilling brass.
116. The effect of setting a boring tool above center height leads to
117. The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is
118. Tool life is generally better when
119. High speed steel cutting tools operate at cutting speeds _________ than carbon steel tools.
120. The drill spindles are provided with standard taper known as
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