Weld spatter defect in welding is generally the result of
A.Using too high welding current
B.Using too low welding current
C.Low voltage
D.High voltage
E.None of the above
A.Using too high welding current
B.Using too low welding current
C.Low voltage
D.High voltage
E.None of the above
A.One lathe
B.By dies
C.By tap
D.By rolling
A.Arithmetical progression
B.Geometrical progression
C.Square progression
D.Cubical progression
E.Random members
A.Mild steel
B.Marble
C.Slate
D.Soft cast iron
E.Hard alloys
A.Lead
B.Zinc
C.Gold
D.Copper
E.Tungsten
A.Admiralty alloy
B.Babbit metal
C.Brass
D.Bronze
E.Bell metal
A.Poor base metal
B.Low welding current
C.High welding current
D.Wrong size of electrode
E.None of the above
A.Mis-mathcing of mould at the parting line
B.Working on cooling
C.Enlargement of the mould cavity by metal pressure causing partial or overall enlargement of the casting
D.Thin projection of casting due to gap between flasks
E.Moisture in moulding sand
A.Turned
B.Ground
C.Nickel plated
D.Buffed
E.Lapped
A.3 mm
B.6 mm
C.12 mm
D.25 mm
E.30 mm