Shell sands are coated with
A) molasses
B) urea formaldehyde
C) carbon disulphide
D) Parting off
E) silica grains
Correct Answer:
Verified
Q2: Silicon steel is used for
A)Ball bearings
B)Boiler plates
C)Industrial
Q3: The efficiency of abrasive particles depends up
A)purity
B)uniformity
Q4: The hardness of martensite in quenched plain
Q5: In centreless grinding the work piece advances
Q6: The power consumption in ultrasonic machining in
Q8: A very soft whisper may have noise
Q9: The width of slot eut by a
Q10: Swell is a defect in castings due
Q11: In EDM the material of the tool
Q12: In a centre lathe gear box for
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