The machining allowance provided on patterns depends upon the Type of casting metal and the Size and shape of casting and Method of casting used.
45) The machining allowance provided on patterns depends upon
Answer is:
all of these
Explanation:
Related Workshop Technology MCQ with Answers
Answer is:
not provided
Explanation:
In die casting, machining allowance is Not provided.
Die casting is a moulding process in which the molten metal is injected under high pressure and velocity into a split mould die.
Aluminum dissolves ferrous parts in the die chamber and hence preferred to be used in cold chamber die casting.
Answer is:
black color
Explanation:
The surface to be left unmachined is marked on the pattern by Black colour.
Answer is:
red color
Explanation:
The surface to be machined is marked on the pattern by red colour.
Answer is:
cleaning the molding sand
Explanation:
A riddle is typically used to improve soil quality by allowing the gardener to sieve through soil and remove stones, twigs, large lumps of clay etc. and hence provide a finer tilth.
Riddles may also be used to help remove soil from harvested vegetables.