Exercise: Production Engineering

Questions for: Production Engineering

The example of snag grinding is
A:
trimming the surface left by sprues and risers on castings
B:
grinding the parting line left on castings
C:
removing flash on forgings
D:
all of these
Answer: D
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Grinding wheels should be tested for balance
A:
only at the time of manufacture
B:
before starting the grinding operation
C:
at the end of grinding operation
D:
occasionally
Answer: D
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The velocity of tool relative to the workpiece is known as cutting velocity.
A:
True
B:
False
C:
D:
Answer: A
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In ultra-sonic machining, the metal is removed by
A:
using abrasive slurry between the tool and work
B:
direct contact of tool with the work
C:
maintaining an electrolyte between the work and tool in a very small gap between the two
D:
erosion caused by rapidly recurring spark discharges between the tool and work
Answer: A
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In hot machining, tool is made of
A:
tungsten carbide
B:
brass or copper
C:
diamond
D:
stainless steel
Answer: A
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