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197 Terms
Q: What do the axes represent in the manufacturing plant specialization diagram?
A: Production variety and production quantity.
Q: What term describes small differences between products with many parts in common?
A: Soft product variety.
Q: What are the steps in particulate processing of metals and ceramics?
A: Pressing and sintering.
Q: Carbon content range of hypoeutectoid steel?
A: 0.022% to 0.76%.
Q: What furnace reduces iron from iron ore?
A: Blast furnace.
Q: Phases for 30% Bi–70% Sb at 300°C, 400°C, 500°C?
A: Solid → Solid → Solid + Liquid.
Q: What does the spiral mold measure in casting?
A: Fluidity.
Q: According to Chvorinov’s rule, solidification time ∝ ?
A: Volume / Area (V/A).
Q: Which heating requirement is inappropriate for casting?
A: Heat of eutectoid transformation.
Q: Which welding statement is incorrect?
A: HAZ is stronger than the base metal.
Q: In which weld is metal NOT melted?
A: Solid‑state weld.
Q: Advantage of snap fitting?
A: All of the above (fast, no tooling, self‑aligning).
Q: Most common problem in bolted joints?
A: Tensile failure of cross‑section.
Q: What describes broaching?
A: A tool with multiple teeth moves linearly past a stationary workpart.
Q: What machining operation is shown with a boring bar and clamps?
A: Boring.
Q: Which machining operation can produce a cavity shape?
A: Milling.
Q: Drilling is classified under which category?
A: Forming to create shape.
Q: Operation producing external threads vs internal threads?
A: Threading (external) and tapping (internal).
Q: As shear plane angle increases, what happens?
A: Shear force, power, and temperature all decrease.
Q: Incorrect statement about high cutting temperatures?
A: They improve surface quality.
Q: Which cutting tool property is NOT desirable?
A: Friability.
Q: Most important group of cutting tools?
A: High‑speed steels.
Q: Principal alloying ingredients in high‑speed steels?
A: Tungsten and/or molybdenum.
Q: Machinability rating base material and MR value?
A: Steel with MR = 1.
Q: Incorrect machining statement?
A: Smaller nose radius gives better surface finish.