Q. Thermit welding is often used in

View solution

Q. The directional solidification in casting can be improved by using

View solution

Q. A sand employed on the faces of the pattern before moulding, is called

View solution

Q. The material which can be best cut with oxygen cutting process is

View solution

Q. In fore-hand welding, the weld is made

View solution

Q. In spot welding, the distance between the nearest edge of the plate and centre of weld should be equal to

View solution

Q. Thermit, used in thermit welding, is a mixture of

View solution

Q. The width of slot cut by a hacksaw blade is __________ the width of the blade.

View solution

Q. The casting method adopted for ornaments and toys of non-ferrous alloys, is

View solution

Q. In a cold chamber die casting machine

View solution

Q. Structural sections such as rails, angles, I-beams are made by

View solution

Q. The minimum size of a billet is 10 cm x 10 cm.

View solution

Q. In welding magnesium with TIG arc welding, direct current with __________ is used.

View solution

Q. The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called

View solution

Q. In die casting, machining allowance is

View solution

Q. The welding set up is said to have straight polarity, when

View solution

Q. A moving mandrel is used in

View solution

Q. The most preferred process for casting gas turbine blades is

View solution

Q. The cold chisels are made from

View solution

Q. To prevent the body of the blade from jamming in the saw cut, the teeth of blade are

View solution