The purpose of a riser is to
The purpose of a riser is to
When a pattern is made in three parts, the ________ is known as a drag.
When a pattern is made in three parts, the ________ is known as a drag.
In a centrifugal casting method
In a centrifugal casting method
Which one of the following material will require the largest size of riser for the same size of casting?
Which one of the following material will require the largest size of riser for the same size of casting?
The blank diameter used in thread rolling will be
The blank diameter used in thread rolling will be
A progressive limit gauge has
A progressive limit gauge has
The width of slot cut by a hacksaw blade is _______ the width of the blade.
The width of slot cut by a hacksaw blade is _______ the width of the blade.
The parts of circular cross-section which are symmetrical about the axis of rotation are made by
The parts of circular cross-section which are symmetrical about the axis of rotation are made by
In electric resistance welding, voltage required for heating is
In electric resistance welding, voltage required for heating is
A diamond pointed chisel is used for cutting
A diamond pointed chisel is used for cutting
The purpose of a gate is to
The purpose of a gate is to
In piercing operation, the clearance is provided on
In piercing operation, the clearance is provided on
When the dimension is expressed as, then the tolerance is
When the dimension is expressed as, then the tolerance is
In sheet metal blanking, shear is provided on punches and dies so that
In sheet metal blanking, shear is provided on punches and dies so that
In welding magnesium with TIG arc welding, direct current with ________ is used.
In welding magnesium with TIG arc welding, direct current with ________ is used.
A jolt machine is used to
A jolt machine is used to
In backhand welding, the angle between the welding torch and the work is kept as
In backhand welding, the angle between the welding torch and the work is kept as
When a hole or cavity to be cored is not in line with the parting surface, then a ________ is used.
When a hole or cavity to be cored is not in line with the parting surface, then a ________ is used.
Thermit welding is often used in
Thermit welding is often used in
The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is
The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is
For gas welding, the pressure desired at the welding torch for acetylene is
For gas welding, the pressure desired at the welding torch for acetylene is
A ring gauge is used to
A ring gauge is used to
In a hot chamber die casting machine
In a hot chamber die casting machine
According to Indian standards, the total numbers of tolerance grades are
According to Indian standards, the total numbers of tolerance grades are
The recrystallisation temperature of steel is
The recrystallisation temperature of steel is
The casting method adopted for ornaments and toys of nonferrous alloys, is
The casting method adopted for ornaments and toys of nonferrous alloys, is
In average work, the tolerance produced by investment casting method is
In average work, the tolerance produced by investment casting method is
In forehand welding, the angle between the welding rod and the work is kept as
In forehand welding, the angle between the welding rod and the work is kept as
The welding process used in joining mild steel shanks to high speed drills, is
The welding process used in joining mild steel shanks to high speed drills, is
The oxygen cylinder is usually painted with
The oxygen cylinder is usually painted with
The temperature at which the new grains are formed in the metal is called
The temperature at which the new grains are formed in the metal is called
The tolerance produced by shell moulding process of casting is
The tolerance produced by shell moulding process of casting is
The maximum flame temperature occurs
The maximum flame temperature occurs
For smoothing and cleaning out depressions in the mould, a ________ is used.
For smoothing and cleaning out depressions in the mould, a ________ is used.
A hacksaw blade is specified by its
A hacksaw blade is specified by its
The metal patterns as compared to wooden patterns require less
The metal patterns as compared to wooden patterns require less
Cores are used to
Cores are used to
The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called
The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called
The diaphragm moulding machine is used to
The diaphragm moulding machine is used to
Which of the following statement is wrong?
Which of the following statement is wrong?
Green sand is a mixture of
Green sand is a mixture of
V-block is used to
V-block is used to
In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.
In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.
In order to deliver molten metal from pouring basin to gate, a ________ is used.
In order to deliver molten metal from pouring basin to gate, a ________ is used.
A casting defect which occurs due to improper venting of sand is known as
A casting defect which occurs due to improper venting of sand is known as
In blanking operation, the clearance is provided on
In blanking operation, the clearance is provided on
The operation of cutting of a flat sheet to the desired shape is called
The operation of cutting of a flat sheet to the desired shape is called
During drawing operation, the states of stress in cup would include
During drawing operation, the states of stress in cup would include
Lap joints are employed on plates having thickness
Lap joints are employed on plates having thickness
The temperature of the inner luminous cone of neutral flame is about
The temperature of the inner luminous cone of neutral flame is about
Carburising flame is used to weld
Carburising flame is used to weld
Which of the following statement is wrong?
Which of the following statement is wrong?
In arc welding, the electric arc is produced between the work and the electrode by
In arc welding, the electric arc is produced between the work and the electrode by
Which of the following material can be used for making patterns?
Which of the following material can be used for making patterns?
For cutting brass, the hacksaw blade should have ________ teeth per 25 mm.
For cutting brass, the hacksaw blade should have ________ teeth per 25 mm.
In shielded arc welding
In shielded arc welding
The cold chisels are made from
The cold chisels are made from
In order to produce uniform packing of sand in the moulds, a _________ is used.
In order to produce uniform packing of sand in the moulds, a _________ is used.
Metal patterns are used for
Metal patterns are used for
The instrument which has all the features of try-square, bevel protractor, rule and scriber, is
The instrument which has all the features of try-square, bevel protractor, rule and scriber, is
In forehand welding, the weld is made
In forehand welding, the weld is made
In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used.
In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used.
The cross-section of a chisel is usually
The cross-section of a chisel is usually
The fullers are used
The fullers are used
The brass and bronze are welded by _________ flame.
The brass and bronze are welded by _________ flame.
The operation of bending a sheet of metal along a curved axis, is known as
The operation of bending a sheet of metal along a curved axis, is known as
The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is
The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is
In a cold chamber die casting machine
In a cold chamber die casting machine
The temperature produced by oxy-hydrogen flame is about
The temperature produced by oxy-hydrogen flame is about
The consumable electrode is used in
The consumable electrode is used in
During cold working process
During cold working process
In TIG arc welding, the welding zone is shielded by an atmosphere of
In TIG arc welding, the welding zone is shielded by an atmosphere of
Thermit, used in Thermit welding, is a mixture of
Thermit, used in Thermit welding, is a mixture of
Scribing block is used to
Scribing block is used to
A gimlet is a ________ tool.
A gimlet is a ________ tool.
In order to get uniform thickness of the plate by rolling process, one provides
In order to get uniform thickness of the plate by rolling process, one provides
The acetylene cylinder is usually painted with
The acetylene cylinder is usually painted with
In order to check the clearance between two mating surfaces, a ________ gauge should be used.
In order to check the clearance between two mating surfaces, a ________ gauge should be used.
Notching is the operation of
Notching is the operation of
Which of the following statement is wrong?
Which of the following statement is wrong?
A moving mandrel is used in
A moving mandrel is used in
The machining allowance provided on patterns depends upon
The machining allowance provided on patterns depends upon
Structural sections such as rails, angles, I-beams are made by
Structural sections such as rails, angles, I-beams are made by
The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded)
The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded)
For welding plates of thickness more than 12.5 mm, its edges
For welding plates of thickness more than 12.5 mm, its edges
For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately
For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately
A file removes the metal during
A file removes the metal during
The cutting edge of a chisel should be
The cutting edge of a chisel should be
Lancing is the operation of
Lancing is the operation of
The teeth of hacksaw blade are bent
The teeth of hacksaw blade are bent
Loam sand is a mixture of
Loam sand is a mixture of
Which of the following welding method uses a pool of molten metal?
Which of the following welding method uses a pool of molten metal?
The welding process used to join the ends of two pipes of uniform cross-section, is
The welding process used to join the ends of two pipes of uniform cross-section, is
A hacksaw blade cuts on the
A hacksaw blade cuts on the
In sheet metal work, he cutting force on the tool can be reduced by
In sheet metal work, he cutting force on the tool can be reduced by
A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?
A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?
Thread rolling is restricted to
Thread rolling is restricted to
To prevent the body of the blade from jamming in the saw cut, the teeth of blade are
To prevent the body of the blade from jamming in the saw cut, the teeth of blade are
The electron beam welding can be carried out in
The electron beam welding can be carried out in
Most of the oxyacetylene welding is done with
Most of the oxyacetylene welding is done with
Spot welding is used for welding
Spot welding is used for welding
Acetylene gas is stored in cylinders in
Acetylene gas is stored in cylinders in
