Q. A casting defect which occurs due to improper venting of sand is known as

View solution

Q. Swab is used for

View solution

Q. The temperature of the inner luminous cone of neutral flame is about

View solution

Q. The metal patterns as compared to wooden patterns require less

View solution

Q. In blanking operation, the clearance is provided on

View solution

Q. In piercing operation, the clearance is provided on

View solution

Q. If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

View solution

Q. For arc welding

View solution

Q. When the file is moved to and fro over the work, it is known as

View solution

Q. The hot working of metals is carried out

View solution

Q. In a four high rolling mill, the diameter of backing up rolls is __________ the diameter of working rolls.

View solution

Q. The welding process used to join the ends of two pipes of uniform cross-section, is

View solution

Q. When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as

View solution

Q. Hot piercing is extensively used for making bolts and nuts.

View solution

Q. For gas welding, the pressure desired at the welding torch for oxygen is

View solution

Q. Seam weiding is a

View solution

Q. In a simple die

View solution

Q. The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as

View solution

Q. When more volume of acetylene and less volume of oxygen is supplied, then a __________ flame is obtained.

View solution

Q. The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is

View solution