In back-hand welding, the angle between the welding rod and the work is __________ as compared to fore-hand welding.
Forming is the operation of removing metal to the desired shape from the edge of a plate.
The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins.
Seam welding is best adopted for metal thickness ranging from
A progressive limit gauge has
The oxygen cylinder is usually painted with
Which of the following welding method uses a pool of molten metal?
Lap joints are employed on plates having thickness
In a unilateral system of tolerance, the tolerance is allowed on
A file with-teeth inmm is called bastard file.
A large electrode is used in un-shielded arc welding.
A basic shaft is one whose
A two high rolling mill consists of two rolls which rotate
A file withteeth inmm is called
Carburising flame is used to weld
The flux commonly used in brazing is
The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded)
The increase in hardness due to cold working, is called
For obtaining a cup of diametermm and heightmm by drawing, the size of the round blank should be approximately
When a pattern is made in three parts, the top part, is known as a
In arc welding, the electric arc is produced between the work and the electrode by
In a hot chamber die casting machine
Metal patterns are used for
The purpose of a riser is to
In welding copper alloys with TIG arc welding
Galvanising is a
In a centrifugal casting method
The electrodes used in spot welding have a tip of
The instrument which has all the features of try-square, bevel protractor, rule and scriber, is
The blank diameter used in thread rolling will be
The algebraic difference between the minimum limit and the basic size is called
The ferrous metals require more machining allowance than non-ferrous metals.
The draft or taper allowance on casting is generally
Blanking and piercing operations can be performed simultaneously in a
When a hole or cavity to be cored is not in line with the parting surface, then a __________ is used.
The cross-section of a chisel is usually
The temperature of oxy-hydrogen flame is __________ oxy-acetylene flame.
In a four high rolling mill, there are four rolls out of which
Which of the following welding process uses non-consumable electrodes?
In a bilateral system of tolerance, the tolerance is allowed on
A pattern maker's shrinkage rule considers
The bloom is smaller than a billet.
In average work, the tolerance produced by investment casting method is
A plug gauge is used to check the diameter of shafts and studs.
Which of the following methods can be used for manufacturing 2 metre long seamless metallic tubes?
When a pattern is made in three parts, the bottom part is known as a cope.
The tolerance produced by shell moulding process of casting is
In back-hand welding, the angle between the welding torch and the work is kept as
A saw which cuts wood during the return stroke of the saw is known as
In __________ welding, the weld may be made either from left to right or from right to left.