Workshop Technology
A basic shaft is one whose

Upper deviation is zero
None of the listed here
Lower deviation is zero
Lower and upper deviations are zero

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Workshop Technology
Linde welding uses

Carburising flame and rightward technique
Neutral flame and rightward technique
Neutral flame and leftward technique
Oxidizing flame and leftward technique

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Workshop Technology
The diaphragm moulding machine is used to

Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould
Ram the sand harder at the back of the mould and softer on the pattern face
Give uniform sand hardness throughout the mould
Produce uniform packing of sand in the mould

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