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Manufacturing And Production Technology

Manufacturing And Production Technology
Which of the following engineering materials is the most suitable candidate for hot chamber die casting?

Tin
Low carbon steel
Copper
Titanium

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Manufacturing And Production Technology
It is required to cut screw threads of 2 mm pitch on a lathe. The lead screw has a pitch of 6 mm. If the spindle speed is 60 r.p.m., then the speed of lead screw will be

180 r.p.m.
10 r.p.m.
120 r.p.m.
20 r.p.m.

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Manufacturing And Production Technology
Tool life is generally better when

Grain size of the metal is large
None of the listed here
Hard constituents are present in the micro-structure of the tool material
Grain size of the metal is small

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Manufacturing And Production Technology
EDM machining is applied for

Making large number of small holes in sieves and fuel nozzles
All of the listed here
Embossing and engraving on harder materials
Shaping carbide dies and punches having complicated profiles

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Manufacturing And Production Technology
The tail stock set over method of taper turning is preferred for

Small tapers
Long slender tapers
Internal tapers
Steep tapers

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Manufacturing And Production Technology
If a particular Fe-C alloy contains less than 0.83% carbon, it is called

Cast iron
High speed steel
Hyper eutectoid steel
Hypo eutectoid steel

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