The metal extrusion process is generally used for producing
The metal extrusion process is generally used for producing
In a _______, the molten metal is poured and allowed to solidify while the mould is revolving.
In a _______, the molten metal is poured and allowed to solidify while the mould is revolving.
The property of sand due to which it evolves a great amount of steam and other gases is called
The property of sand due to which it evolves a great amount of steam and other gases is called
In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.
In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.
The process of decreasing the cross-section of a bar and increasing its length, is called
The process of decreasing the cross-section of a bar and increasing its length, is called
The sand used for making cores is
The sand used for making cores is
The algebraic difference between the minimum limit and the basic size is called
The algebraic difference between the minimum limit and the basic size is called
A neutral flame is obtained by supplying
A neutral flame is obtained by supplying
In submerged arc welding, an arc is produced between a
In submerged arc welding, an arc is produced between a
In welding copper alloys with TIG arc welding
In welding copper alloys with TIG arc welding
The mode of deformation of the metal during spinning is
The mode of deformation of the metal during spinning is
The temperature of oxy-hydrogen flame is ________ oxyacetylene flame.
The temperature of oxy-hydrogen flame is ________ oxyacetylene flame.
The current in electric resistance welding can be regulated by
The current in electric resistance welding can be regulated by
In arc welding, the temperature of heat produced by the electric arc is of the order of
In arc welding, the temperature of heat produced by the electric arc is of the order of
When the dimension is expressed as 20 -0.025 ⁺⁰∙⁰³⁵, then the basic size is
When the dimension is expressed as 20 -0.025 ⁺⁰∙⁰³⁵, then the basic size is
The operation of cutting a sheet of metal in a straight line along the length, is known as
The operation of cutting a sheet of metal in a straight line along the length, is known as
The metal is subjected to mechanical working for
The metal is subjected to mechanical working for
Cast iron and steel pipes are produced by
Cast iron and steel pipes are produced by
Seam welding is best adopted for metal thickness ranging from
Seam welding is best adopted for metal thickness ranging from
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
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
The process of increasing the cross-section of a bar at the expense of its length, is called
The process of increasing the cross-section of a bar at the expense of its length, is called
Projection welding is a
Projection welding is a
Cold working of metal increases
Cold working of metal increases
The oxyacetylene gas used in gas welding produce a flame temperature of
The oxyacetylene gas used in gas welding produce a flame temperature of
A basic hole is one whose
A basic hole is one whose
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as
Tandem drawing of wires and tubes is necessary because
Tandem drawing of wires and tubes is necessary because
The flux commonly used in brazing is
The flux commonly used in brazing is
The material which can be best cut with oxygen cutting process is
The material which can be best cut with oxygen cutting process is
In die casting, machining allowance is
In die casting, machining allowance is
The upsetting is a process of
The upsetting is a process of
In a gas welding of mild steel using an oxyacetylene flame, the total amount of acetylene consumed is 10 litres. The oxygen consumption from the cylinder is
In a gas welding of mild steel using an oxyacetylene flame, the total amount of acetylene consumed is 10 litres. The oxygen consumption from the cylinder is
For gas welding, the pressure desired at the welding torch for oxygen is
For gas welding, the pressure desired at the welding torch for oxygen is
Piercing is an operation of cutting
Piercing is an operation of cutting
A casting defect which results in general enlargement of a casting is known as
A casting defect which results in general enlargement of a casting is known as
A two high rolling mill consists of two rolls which rotate
A two high rolling mill consists of two rolls which rotate
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as
A zinc diffusion process is called
A zinc diffusion process is called
Shift is a casting defect which
Shift is a casting defect which
The property of sand due to which the sand grains stick together is called
The property of sand due to which the sand grains stick together is called
The accuracy of micrometers, calipers, dial indicators can be checked by a
The accuracy of micrometers, calipers, dial indicators can be checked by a
The electrodes used in spot welding have a tip of
The electrodes used in spot welding have a tip of
When a pattern is made in three parts, the top part, is known as a
When a pattern is made in three parts, the top part, is known as a
In a unilateral system of tolerance, the tolerance is allowed on
In a unilateral system of tolerance, the tolerance is allowed on
A file with 20 teeth in 25 mm is called
A file with 20 teeth in 25 mm is called
The binder commonly used in making oil sand, is
The binder commonly used in making oil sand, is
The surface to be machined is marked on the pattern by
The surface to be machined is marked on the pattern by
A sand employed on the faces of the pattern before moulding, is called
A sand employed on the faces of the pattern before moulding, is called
The centrifugal casting method, is used for casting articles of
The centrifugal casting method, is used for casting articles of
Sand wash is a casting defect which
Sand wash is a casting defect which
The draft or taper allowance on casting is generally
The draft or taper allowance on casting is generally
The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as
The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as
The directional solidification in casting can be improved by using
The directional solidification in casting can be improved by using
In a simple die
In a simple die
In permanent mould casting method
In permanent mould casting method
A basic shaft is one whose
A basic shaft is one whose
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by
In ________ welding, the weld may be made either from left to right or from right to left.
In ________ welding, the weld may be made either from left to right or from right to left.
In a bilateral system of tolerance, the tolerance is allowed on
In a bilateral system of tolerance, the tolerance is allowed on
The cold chisels are made by
The cold chisels are made by
The hot working of metals is carried out
The hot working of metals is carried out
the most preferred process for casting gas turbine blades is
the most preferred process for casting gas turbine blades is
The advantage of Thermit welding is that
The advantage of Thermit welding is that
In electric resistance welding, pressure applied varies from
In electric resistance welding, pressure applied varies from
In a compound die
In a compound die
A pattern maker's shrinkage rule considers
A pattern maker's shrinkage rule considers
Aluminium is the best material for making patterns because it is
Aluminium is the best material for making patterns because it is
In backhand welding, the angle between the welding rod and the work is ________ as compared to forehand welding.
In backhand welding, the angle between the welding rod and the work is ________ as compared to forehand welding.
The type of file used for a wood work is
The type of file used for a wood work is
An oxidising process used for aluminium and magnesium articles is called
An oxidising process used for aluminium and magnesium articles is called
The minimum size of a bloom is
The minimum size of a bloom is
A taper provided on the pattern for its easy and clean withdrawal from the mould is known as
A taper provided on the pattern for its easy and clean withdrawal from the mould is known as
In a ________, two or more operations are performed simultaneously at the single stroke of the ram.
In a ________, two or more operations are performed simultaneously at the single stroke of the ram.
When the file is moved to and fro over the work, it is known as
When the file is moved to and fro over the work, it is known as
Blanking and piercing operations can be performed simultaneously in a
Blanking and piercing operations can be performed simultaneously in a
In a four high rolling mill, there are four rolls out of which
In a four high rolling mill, there are four rolls out of which
Cutting and forming operations can be performed in a single operation in a
Cutting and forming operations can be performed in a single operation in a
In spot welding, the distance between the nearest edge of the plate and centre of weld should be equal to
In spot welding, the distance between the nearest edge of the plate and centre of weld should be equal to
Linde welding uses
Linde welding uses
The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as
The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as
The operation of straightening a curved sheet metal, is known as
The operation of straightening a curved sheet metal, is known as
Rotary swaging
Rotary swaging
During hot working of metals
During hot working of metals
In a ________, both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.
In a ________, both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.
The chisel used for cutting key ways is
The chisel used for cutting key ways is
According to Indian standard specifications, 100 H6/g5 means that.
According to Indian standard specifications, 100 H6/g5 means that.
A mortise gauge is a
A mortise gauge is a
The surface to be left unmachined is marked on the pattern by
The surface to be left unmachined is marked on the pattern by
Which of the following welding process uses non-consumable electrodes?
Which of the following welding process uses non-consumable electrodes?
The cold working of metals is carried out
The cold working of metals is carried out
The welding set up is said to have straight polarity, when
The welding set up is said to have straight polarity, when
The adhesiveness is the property of sand due to which
The adhesiveness is the property of sand due to which
For welding plates of thickness less than 5 mm, its edges
For welding plates of thickness less than 5 mm, its edges
The shrinkage allowance for cast iron pattern is
The shrinkage allowance for cast iron pattern is
Seam welding is a
Seam welding is a
Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes?
Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes?
When more volume of acetylene and less volume of oxygen is supplied, then a ________ flame is obtained.
When more volume of acetylene and less volume of oxygen is supplied, then a ________ flame is obtained.
The increase in hardness due to cold working, is called
The increase in hardness due to cold working, is called
For arc welding
For arc welding
Riddle is used for
Riddle is used for
The dowels are
The dowels are
Swab is used for
Swab is used for