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
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 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 shrinkage allowance for cast iron pattern is
The shrinkage allowance for cast iron pattern is
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 centrifugal casting method, is used for casting articles of
The centrifugal casting method, is used for casting articles of
The adhesiveness is the property of sand due to which
The adhesiveness is the property of sand due to which
The accuracy of micrometers, calipers, dial indicators can be checked by a
The accuracy of micrometers, calipers, dial indicators can be checked by a
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.
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
A basic hole is one whose
A basic hole is one whose
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
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
Piercing is an operation of cutting
Piercing is an operation of cutting
In die casting, machining allowance is
In die casting, machining allowance is
The dowels are
The dowels are
Seam welding is a
Seam welding is a
The type of file used for a wood work is
The type of file used for a wood work 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
The oxyacetylene gas used in gas welding produce a flame temperature of
The oxyacetylene gas used in gas welding produce a flame temperature of
Cold working of metal increases
Cold working of metal increases
The surface to be left unmachined is marked on the pattern by
The surface to be left unmachined is marked on the pattern by
A basic shaft is one whose
A basic shaft is one whose
The current in electric resistance welding can be regulated by
The current in electric resistance welding can be regulated by
In a simple die
In a simple die
Which of the following welding process uses non-consumable electrodes?
Which of the following welding process uses non-consumable electrodes?
The metal is subjected to mechanical working for
The metal is subjected to mechanical working for
Projection welding is a
Projection welding is a
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
Shift is a casting defect which
Shift is a casting defect which
In permanent mould casting method
In permanent mould casting method
A neutral flame is obtained by supplying
A neutral flame is obtained by supplying
The advantage of Thermit welding is that
The advantage of Thermit welding is that
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.
Sand wash is a casting defect which
Sand wash is a casting defect which
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
The binder commonly used in making oil sand, is
The binder commonly used in making oil sand, is
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
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
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
During hot working of metals
During hot working of metals
The metal extrusion process is generally used for producing
The metal extrusion process is generally used for producing
The temperature of oxy-hydrogen flame is ________ oxyacetylene flame.
The temperature of oxy-hydrogen flame is ________ oxyacetylene flame.
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 draft or taper allowance on casting is generally
The draft or taper allowance on casting is generally
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 chisel used for cutting key ways is
The chisel used for cutting key ways is
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
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
The directional solidification in casting can be improved by using
The directional solidification in casting can be improved by using
Aluminium is the best material for making patterns because it is
Aluminium is the best material for making patterns because it is
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.
A two high rolling mill consists of two rolls which rotate
A two high rolling mill consists of two rolls which rotate
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
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
A zinc diffusion process is called
A zinc diffusion process is called
In welding copper alloys with TIG arc welding
In welding copper alloys with TIG arc welding
In a compound die
In a compound die
A file with 20 teeth in 25 mm is called
A file with 20 teeth in 25 mm is called
The cold chisels are made by
The cold chisels are made by
For arc welding
For arc welding
The hot working of metals is carried out
The hot working of metals is carried out
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.
Linde welding uses
Linde welding uses
The minimum size of a bloom is
The minimum size of a bloom is
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
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
An oxidising process used for aluminium and magnesium articles is called
An oxidising process used for aluminium and magnesium articles is called
The upsetting is a process of
The upsetting is a process of
Seam welding is best adopted for metal thickness ranging from
Seam welding is best adopted for metal thickness ranging from
The flux commonly used in brazing is
The flux commonly used in brazing is
The mode of deformation of the metal during spinning is
The mode of deformation of the metal during spinning is
The electrodes used in spot welding have a tip of
The electrodes used in spot welding have a tip of
Tandem drawing of wires and tubes is necessary because
Tandem drawing of wires and tubes is necessary because
In a bilateral system of tolerance, the tolerance is allowed on
In a bilateral system of tolerance, the tolerance is allowed on
The operation of straightening a curved sheet metal, is known as
The operation of straightening a curved sheet metal, is known as
For welding plates of thickness less than 5 mm, its edges
For welding plates of thickness less than 5 mm, its edges
In electric resistance welding, pressure applied varies from
In electric resistance welding, pressure applied varies from
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
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?
The sand used for making cores is
The sand used for making cores is
Rotary swaging
Rotary swaging
A mortise gauge is a
A mortise gauge is a
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.
In submerged arc welding, an arc is produced between a
In submerged arc welding, an arc is produced between a
The increase in hardness due to cold working, is called
The increase in hardness due to cold working, is called
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
A pattern maker's shrinkage rule considers
A pattern maker's shrinkage rule considers
The material which can be best cut with oxygen cutting process is
The material which can be best cut with oxygen cutting process is
Riddle is used for
Riddle is used for
Cast iron and steel pipes are produced by
Cast iron and steel pipes are produced by
The surface to be machined is marked on the pattern by
The surface to be machined is marked on the pattern by
According to Indian standard specifications, 100 H6/g5 means that.
According to Indian standard specifications, 100 H6/g5 means that.
the most preferred process for casting gas turbine blades is
the most preferred process for casting gas turbine blades is
Blanking and piercing operations can be performed simultaneously in a
Blanking and piercing operations can be performed simultaneously in a
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.
In a unilateral system of tolerance, the tolerance is allowed on
In a unilateral system of tolerance, the tolerance is allowed on
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
The welding set up is said to have straight polarity, when
The welding set up is said to have straight polarity, when
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
The cold working of metals is carried out
The cold working of metals is carried out
Swab is used for
Swab is used for
