91. In shielded arc welding
92. The cold chisels are made from
93. A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?
94. The maximum flame temperature occurs
95. The temperature produced by oxy-hydrogen flame is about
96. The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is
97. According to Indian standards, the total numbers of tolerance grades are
98. Metal patterns are used for
99. The machining allowance provided on patterns depends upon
100. The metal patterns as compared to wooden patterns require less
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