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Manufacturing And Production Technology

Manufacturing And Production Technology
In ultrasonic machining, tool is made of

Tungsten carbide
Diamond
Brass or copper
Stainless steel

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Manufacturing And Production Technology
The example of snag grinding is

All of these
Removing flash on forgings
Trimming the surface left by spruces and risers on castings
Grinding the parting line left on castings

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Manufacturing And Production Technology
A 15 mm drilling machine means that it can drill a hole

In 15 mm thick plates
None of these
Of maximum diameter 15 mm

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Manufacturing And Production Technology
A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2 mm depth by a cutter of 10 mm diameter between points (0,0) and (100,100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/min, milling time for the slot (in seconds) is

180
240
170
120

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Manufacturing And Production Technology
A hole is of dimension φ = 9 ₊0⁺⁰∙⁰¹⁵ mm. The corresponding shaft is of dimension φ = 9 ₊0.001⁺⁰∙⁰¹⁰ mm. The resulting assembly has

Close running fit
Transition fit
Interference fit
Loose running fit

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Manufacturing And Production Technology
Crack in grinding wheel is developed due to

Grinding hard work
High speed of wheel
High temperature developed at the contact of the wheel face and work
Low speed of wheel

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MORE MCQ ON Manufacturing And Production Technology

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