Tyres are made by (A) Injection moulding (B) Extrusion (C) Rotational moulding (D) Compression moulding

Tyres are made by
(A) Injection moulding
(B) Extrusion
(C) Rotational moulding
(D) Compression moulding
by

1 Answer

Answer :

(C) Rotational moulding
by

Related questions

Plastic tubes & pipes are generally made by __________ moulding. (A) Injection (B) Transfer (C) Extrusion (D) Compression

Description : Plastic tubes & pipes are generally made by __________ moulding. (A) Injection (B) Transfer (C) Extrusion (D) Compression

Last Answer : (C) Extrusion

__________ moulding is used for shaping of thermosetting plastics exclusively. (A) Compression (B) Injection (C) Transfer (D) Extrusion

Description : __________ moulding is used for shaping of thermosetting plastics exclusively. (A) Compression (B) Injection (C) Transfer (D) Extrusion

Last Answer : (C) Transfer

__________ moulding process cannot be used for thermoplastic plastics. (A) Compression (B) Extrusion (C) Injection (D) None of these

Description : __________ moulding process cannot be used for thermoplastic plastics. (A) Compression (B) Extrusion (C) Injection (D) None of these

Last Answer : (C) Injection

Production of a hollow product by inflation of a tube or parison is called the __________ process. (A) Blow moulding (B) Calendaring (C) Extrusion (D) Injection

Description : Production of a hollow product by inflation of a tube or parison is called the __________ process. (A) Blow moulding (B) Calendaring (C) Extrusion (D) Injection

Last Answer : (A) Blow moulding

Paper like thin plastic articles can be produced by (A) Blow moulding (B) Vacuum thermo forming (C) Injection moulding (D) None of these

Description : Paper like thin plastic articles can be produced by (A) Blow moulding (B) Vacuum thermo forming (C) Injection moulding (D) None of these

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Plastic articles are normally produced by __________ moulding. (A) Green sand (B) Injection (C) Shell (D) Dry sand

Description : Plastic articles are normally produced by __________ moulding. (A) Green sand (B) Injection (C) Shell (D) Dry sand

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The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding. (A) Runner (B) Cylinder (C) Mold (D) None of these

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Last Answer : (A) Runner

The mechanism involved in the removal of metal in drilling operation is by (A) Compression (B) Extrusion (C) Shearing (D) Both 'b' & 'c'

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Last Answer : (D) Both 'b' & 'c'

Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene. (A) Nitrile (B) Silicone (C) Neoprene (D) Buty

Description : Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene. (A) Nitrile (B) Silicone (C) Neoprene (D) Buty

Last Answer : (D) Buty

Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of(A) Cold SBR(B) Butyl rubber(C) Bunai N(D) Buna S

Description : Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of (A) Cold SBR (B) Butyl rubber (C) Bunai N (D) Buna S

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In _____________ injection system only one pump is sufficient for multi-cylinder engine. a) air b) mechanical c) compression fuel d) common rail

Description : In _____________ injection system only one pump is sufficient for multi-cylinder engine. a) air b) mechanical c) compression fuel d) common rail

Last Answer : Answer: d Explanation: None.

Solid injection is also called ________________ a) air injection b) mechanical injection c) compression fuel injection d) none of the mentioned

Description : Solid injection is also called ________________ a) air injection b) mechanical injection c) compression fuel injection d) none of the mentioned

Last Answer : Answer: b Explanation: Generally, solid injection is also called mechanical injection.

Which of the following factors increases the tendency of knocking in the CI engines? (a) Increasing both the r and coolant temperatures (b) Increasing both the speed and the injection advance (c) Increasing the speed, injection advance and coolant temperature (d) Increasing the compression ratio

Description : Which of the following factors increases the tendency of knocking in the CI engines? (a) Increasing both the r and coolant temperatures (b) Increasing both the speed and the injection advance (c) Increasing the speed, injection advance and coolant temperature (d) Increasing the compression ratio

Last Answer : Ans :c

Rate of burning in the compression ignition engine can be controlled by a. rate of injection of fuel b. rate of air taken into carburetor c. both a. and b. d. none of the above

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Last Answer : ANSWER a. rate of injection of fuel

For spinning viscose rayon, the extrusion spinnerettes are made of (A) Platinum or gold alloys (B) High carbon steel (C) Aluminium (D) Nickel

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Last Answer : (A) Platinum or gold alloys

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of (A) Stainless steel (B) Mild steel (C) High speed steel (D) High carbon steel

Description : In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of (A) Stainless steel (B) Mild steel (C) High speed steel (D) High carbon steel

Last Answer : (C) High speed steel

Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot (A) Piercing (B) Spinning (C) Drawing (D) Extrusion

Description : Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot (A) Piercing (B) Spinning (C) Drawing (D) Extrusion

Last Answer : Option B

Pick up the correct statement from the following: (A) The plastic bottles are made by the process of blowing (B) The application of thermo-setting resins on sheets of paper, is called laminating process (C) The plastic articles made by placing raw material in the desired moulds, is known as moulding process (D) All the above

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Last Answer : Answer: Option D

Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. (A) Cage (B) Hammer (C) Both (A) & (B) (D) Neither (A) nor (B)

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Last Answer : (C) Both (A) & (B)

A jet engine turbine blade is normally manufactured by (A) Forging (B) Shell moulding (C) Investment casting (D) Pressure die casting

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Uniform ramming of sand in green sand moulding process leads to (A) Reduced chance of gas porosity (B) Greater dimensional stability of the casting (C) Uniform flow of molten metal into the mould cavity (D) Less sand expansion type of casting defect

Description : Uniform ramming of sand in green sand moulding process leads to (A) Reduced chance of gas porosity (B) Greater dimensional stability of the casting (C) Uniform flow of molten metal into the mould cavity (D) Less sand expansion type of casting defect

Last Answer : Option B

Car tyres are usually made of ?

Description : Car tyres are usually made of ?

Last Answer : Styrene-butadine rubber.

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Description : Styrene butadiene rubber (SBR) is never used for making (A) Coated fabrics (B) Front wheel tyres of aeroplanes (i.e., heavy duty tyres)

Last Answer : (B) Front wheel tyres of aeroplanes (i.e., heavy duty tyres)

Pick out the wrong statement. (A) For the manufacture of styrene, the major raw materials are benzene and ethylene (B) One important copolymer of styrene is SBR, which is widely used in the manufacture of automobile tyres (C) Manufacture of phenol by chloroben-zene-eaustic process involves. The chlorination of benzene, causticisation and hydrolysis (D) Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available

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Last Answer : (D) Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available

The process involved in converting rubber into a thin sheet or coating it on fabric is called (A) Extrusion (B) Mastication (C) Calendaring (D) Vulcanisation

Description : The process involved in converting rubber into a thin sheet or coating it on fabric is called (A) Extrusion (B) Mastication (C) Calendaring (D) Vulcanisation

Last Answer : (C) Calendaring

Collapsible tubes for tooth paste are produced by __________ extrusion. (A) Direct (B) Indirect (C) Impact (D) None of these

Description : Collapsible tubes for tooth paste are produced by __________ extrusion. (A) Direct (B) Indirect (C) Impact (D) None of these

Last Answer : (C) Impact

All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic (A) Filaments (B) Pipes (C) Buckets (D) Tubings

Description : All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic (A) Filaments (B) Pipes (C) Buckets (D) Tubings

Last Answer : (C) Buckets

Steel pipes are normally manufactured by __________ process. (A) Extrusion (B) Cold working (C) Forging (D) Electroforming

Description : Steel pipes are normally manufactured by __________ process. (A) Extrusion (B) Cold working (C) Forging (D) Electroforming

Last Answer : (A) Extrusion

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Description : Ceramic materials fabrication cannot be done by (A) Welding (B) Slip casting (C) Extrusion (D) Plastic pressing

Last Answer : (A) Welding

The process involved in converting rubber into a thin sheet or coating it on fabric is called (A) Extrusion (B) Mastication (C) Calendaring (D) Vulcanisation

Description : The process involved in converting rubber into a thin sheet or coating it on fabric is called (A) Extrusion (B) Mastication (C) Calendaring (D) Vulcanisation

Last Answer : (C) Calendaring

Earing is a defect found in steels after the following metal working operation. (A) Extrusion (B) Rolling (C) Deep drawing (D) Wire drawing

Description : Earing is a defect found in steels after the following metal working operation. (A) Extrusion (B) Rolling (C) Deep drawing (D) Wire drawing

Last Answer : (C) Deep drawing

Hot extrusion of aluminium is done in the temperature range of __________ °C. (A) 550-600 (B) 450-500 (C) 350-400 (D) 250-300

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Last Answer : (C) 350-400

In extrusion of metals, which of the following statement is true? (A) Speed of the extruded material is same as that of ram speed (B) Redundant work is a function of the die angle (C) Relative motion between the billet surface and the container wall is always present (D) Hollow ram is used for indirect extrusion

Description : In extrusion of metals, which of the following statement is true? (A) Speed of the extruded material is same as that of ram speed (B) Redundant work is a function of the die angle (C) ... the billet surface and the container wall is always present (D) Hollow ram is used for indirect extrusion

Last Answer : (D) Hollow ram is used for indirect extrusion

A pug mill is used for (A) Softening brick earth (B) Moulding brick earth (C) Tempering brick earth (D) Providing brick earth

Description : A pug mill is used for (A) Softening brick earth (B) Moulding brick earth (C) Tempering brick earth (D) Providing brick earth

Last Answer : Answer: Option C

The process of mixing clay, water and other ingredients to make brick is known as (A) Kneading (B) Moulding (C) Pugging (D) Drying

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Last Answer : Answer: Option A

Pug mill is used for (A) Preparation of clay (B) Moulding of clay (C) Drying of bricks (D) Burning of bric

Description : Pug mill is used for (A) Preparation of clay (B) Moulding of clay (C) Drying of bricks (D) Burning of bricks

Last Answer : Answer: Option A

Carbonisation of coal consists of  A. drying and crushing the coal to a fine powder  B. moulding the finely ground coal under pressure with or without a binding material  C. heating the wood with a limited supply of air to temperature not less than 280°C  D. none of the above

Description : Carbonisation of coal consists of  A. drying and crushing the coal to a fine powder  B. moulding the finely ground coal under pressure with or without a binding material  C. heating the wood with a limited supply of air to temperature not less than 280°C  D. none of the above

Last Answer : Answer: D

A pug mill is used for a) Softening brick earth b) Moulding brick earth c) Tempering brick earth* d) Compacting brick earth

Description : A pug mill is used for a) Softening brick earth b) Moulding brick earth c) Tempering brick earth* d) Compacting brick earth

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What is moulding?

Description : What is moulding? 

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Which of the manufacturing processes is/are required to make a typical stainless steel spoon out of sheet metal? A. Casting B. Forming C. Brazing D. Blow moulding

Description : Which of the manufacturing processes is/are required to make a typical stainless steel spoon out of sheet metal? A. Casting B. Forming C. Brazing D. Blow moulding

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Properties of moulding sand are

Description : Properties of moulding sand are

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Explain any four properties of Moulding sand.

Description : Explain any four properties of Moulding sand. 

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What's the difference between "winter" and "summer" tyres?

Description : What's the difference between "winter" and "summer" tyres?

Last Answer : Yes, the special design is the design/width/depth/position and design of the treads in the tire, that allow them to contain more ice and snow (or mud) before losing their stability, and also ... more factors that are much more likely to have contributed to the accident than the build of your tires.

Under which circumstances will have zero velocity and be still accelerating? a.The bob of a simple pendulum when at its mean position b.107 dynes c.A steamer while taking a turn d.A ball at its highest point of its rise when thrown up e.Tyres of a stationary automobile

Description : Under which circumstances will have zero velocity and be still accelerating? a.The bob of a simple pendulum when at its mean position b.107 dynes c.A steamer while taking a turn d.A ball at its highest point of its rise when thrown up e.Tyres of a stationary automobile

Last Answer : d. A ball at its highest point of its rise when thrown up

Which is used as a filler in rubber tyres ? -Do You Know?

Description : Which is used as a filler in rubber tyres ? -Do You Know?

Last Answer : answer:

What are the pros and cons of nitrogen filled tyres?

Description : What are the pros and cons of nitrogen filled tyres?

Last Answer : Nitrogen filled tyres are said to be having an ability to keep constant tyre pressure. Nitrogen has a lesser impact on thermal expansion when compared to ordinary air filled tyre. This pecularity of nitrogen ... is supposed to travel long distances. It's acts just like a cooling agent to the tyres.

Why does the pressure in the automobile tyres change during hot summer or winter season?

Description : Why does the pressure in the automobile tyres change during hot summer or winter season?

Last Answer : Why does the pressure in the automobile tyres change during hot summer or winter season?

The gas used for inflating the tyres of aeroplanes is

Description : The gas used for inflating the tyres of aeroplanes is

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Accupuncture is - (1) a disease of heart (2) servicing of tubes and tyres (3) a treatment method with needles (4) a crop culture

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Last Answer : (3) a treatment method with needles Explanation: Acupuncture is an alternative medicine methodololv originating in ancient China that treats patients by manipulating thin, solid needles that have been ... these points can correct imbalances in the flow of qi through channels known as meridians.

Vehicle tyres are inflated properly – (1) to ensure smooth running. (2) to allow the vehicle to take more load. (3) to avoid skidding and to minimize friction (4) to go fast and save fuel.

Description : Vehicle tyres are inflated properly – (1) to ensure smooth running. (2) to allow the vehicle to take more load. (3) to avoid skidding and to minimize friction (4) to go fast and save fuel.

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