Mechanical Engineering - Workshop Technology
Exercise : Workshop Technology - Section 5
31.
Cast iron and steel pipes are produced by
32.
The acetylene cylinder is usually painted with
33.
In order to ram the sand harder at the back of the mould and softer on the pattern face, a __________ is used.
34.
The property of sand due to which the sand grains stick together, is called
35.
The temperature produced by oxy-hydrogen flame is about
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