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In a _________, both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.

A. Simple die

B. Progressive die

C. Combination die

D. Compound die

Correct Answer :

C. Combination die


Related Questions

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In a compound die

A. Only one operation is performed at each stroke of the ram

B. Two or more operations are performed simultaneously at the single stroke of the ram

C. Two or more cutting operations are performed at one station of the press in every stroke of the ram

D. Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram

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In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used.

A. Sand slinger

B. Squeezing machine

C. Jolt machine

D. Stripper plate machine

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Green sand is a mixture of

A. 30% sand and 70% clay

B. 50% sand and 50% clay

C. 70% sand and 30% clay

D. 90% sand and 10% clay

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Thermit welding is often used in

A. Replacing broken gear teeth

B. Repairing broken shears

C. Joining rails, truck frames and locomotive frames etc.

D. All of the above

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Notching is the operation of

A. Cutting a sheet of metal in a straight line along the length

B. Removal of metal to the desired shape from the edge of a plate

C. Cutting a sheet of metal through part of its length and then bending the cut portion

D. Bending a sheet of metal along a curved axis

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The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as

A. Hot piercing

B. Extrusion

C. Cold peening

D. Cold heading

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The directional solidification in casting can be improved by using

A. Chills and chaplets

B. Chills and padding

C. Chaplets and padding

D. Chills, chaplets and padding

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The punch and die set up is ________ for punching and piercing operation.

A. Same

B. Similar

C. Different

D. None of these

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When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by

A. Washing it with water

B. Rubbing on wood

C. Washing it with dilute acid

D. Using file card

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Aluminium is the best material for making patterns because it is

A. Light in weight

B. Easy to work

C. Corrosion resistant

D. All of these

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Seam welding is best adopted for metal thickness ranging from

A. 0.025 to 3 mm

B. 3 to 5 mm

C. 5 to 8 mm

D. 8 to 10 mm

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The diaphragm moulding machine is used to

A. Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould

B. Ram the sand harder at the back of the mould and softer on the pattern face

C. Produce uniform packing of sand in the mould

D. Give uniform sand hardness throughout the mould

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Cores are used to

A. Form internal cavities in the casting

B. Improve mould surface

C. Form a part of a green sand mould

D. All of these

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According to Indian standard specifications, 100 H6/g 5 means that.

A. Basic size is 100 mm

B. Actual size is 100 mm

C. Difference between the actual size and basic size is 100 mm

D. None of the above

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Neutral flame is used to weld

A. Steel

B. Cast iron

C. Copper

D. All of these

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Lancing is the operation of

A. Cutting a sheet of metal in a straight line along the length

B. Removal of metal to the desired shape from the edge of a plate

C. Cutting a sheet of metal through part of its length and then bending the cut portion

D. Bending a sheet of metal along a curved axis

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In TIG arc welding, the welding zone is shielded by an atmosphere of

A. Helium gas

B. Argon gas

C. Either (A) or (B)

D. None of these

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Seam welding is a

A. Continuous spot welding process

B. Multi-spot welding process

C. Arc welding process

D. Process used for joining round bars

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The flux commonly used in brazing is

A. Zinc chloride

B. Ammonium chloride

C. Rosin plus alcohol

D. Borax

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For welding plates of thickness less than 5 mm, its edges

A. Do not require bevelling

B. Should be bevelled to a single-V or U-groove

C. Should have a double-V or U-groove on one side

D. Should have a double-V or U-groove on both sides

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The purpose of a riser is to

A. Deliver molten metal into the mould cavity

B. Act as a reservoir for the molten metal

C. Feed the molten metal to the casting in order to compensate for the shrinkage

D. Deliver the molten metal from pouring basin to gate

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In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.

A. Equal to

B. Smaller than

C. Larger than

D. None of these

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The purpose of a gate is to

A. Delivers molten metal into the mould cavity

B. Act as a reservoir for the molten metal

C. Feed the molten metal to the casting in order to compensate for the shrinkage

D. Delivers molten metal from pouring basin to gate

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In average work, the tolerance produced by investment casting method is

A. ±0.05 mm

B. +0.2 mm

C. +05 mm

D. +1 mm

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Extrusion

A. Is extensively used for making bolts and nuts

B. Is used for reducing the diameter of round bars and tubes by rotating dies which open and close rapidly on the work

C. Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface

D. Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part

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In order to deliver molten metal from pouring basin to gate, a ________ is used.

A. Riser

B. Sprue

C. Core

D. None of these

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Which of the following welding process uses non-consumable electrodes?

A. TIG welding

B. MIG welding

C. Manual arc welding

D. Submerged arc welding

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The increase in hardness due to cold working, is called

A. Age hardening

B. Work hardening

C. Induction hardening

D. Flame hardening

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A file with 20 teeth in 25 mm is called

A. Rough file

B. Bastard file

C. Second cut file

D. Smooth file

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Blanking and piercing operations can be performed simultaneously in a

A. Simple die

B. Progressive die

C. Compound die

D. Combination die