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

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

1 Answer

Answer :

(C) Injection
by

Related questions

__________ 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

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

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

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

Last Answer : (C) Rotational moulding

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

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

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

Last Answer : (B) Injection

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

Description : 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

Last Answer : (A) Runner

Pick out the wrong statement. (A) Pure rubber is as useless as pure gold as a material of construction (B) Thermal conductivity of aluminium is higher than that of copper; henceit is increasingly used for utensil making(C) Copper has poor weldability(D) Reinforced plastics are made from both thermoplastic as well asthermosetting plastics

Description : Pick out the wrong statement. (A) Pure rubber is as useless as pure gold as a material of construction (B) Thermal conductivity of aluminium is higher than that of copper; henceit is ... has poor weldability (D) Reinforced plastics are made from both thermoplastic as well as thermosetting plastics

Last Answer : (B) Thermal conductivity of aluminium is higher than that of copper; henceit is increasingly used for utensil making

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

Last Answer : (B) Vacuum thermo forming

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

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

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

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

Compound is, A. Very accurate compression material B. Thermoplastic material

Description : Compound is, A. Very accurate compression material B. Thermoplastic material

Last Answer : B. Thermoplastic material

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

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

Last Answer : (A) Welding

Thermoplastic resins usually(A) Remain hard as long as they are hot(B) Cannot be reclaimed from waste(C) Permanent setting resins(D) Less brittle than thermosetting resins

Description : Thermoplastic resins usually (A) Remain hard as long as they are hot (B) Cannot be reclaimed from waste (C) Permanent setting resins (D) Less brittle than thermosetting resins

Last Answer : (D) Less brittle than thermosetting resins

Thermoplastic resins are those polymers, which (A) Has decreased plasticity at increasing temperature (B) Cannot be moulded (C) Easily deform under pressure at high temperature (D) None of these

Description : Thermoplastic resins are those polymers, which (A) Has decreased plasticity at increasing temperature (B) Cannot be moulded (C) Easily deform under pressure at high temperature (D) None of these

Last Answer : (C) Easily deform under pressure at high temperature

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)

Description : 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)

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

Bakelite (phenol-formaldehyde) resin cannot be used as (A) Decorative paint (B) Decorative laminates (C) Electrical insulation (D) Glass reinforced plastics

Description : Bakelite (phenol-formaldehyde) resin cannot be used as (A) Decorative paint (B) Decorative laminates (C) Electrical insulation (D) Glass reinforced plastics

Last Answer : (A) Decorative paint

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

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

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

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

Last Answer : (C) 350-400

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

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

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

Polymethyl methacrylate (PMMA) which is also known as Perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. (A) Thermoplastic (B) Thermosetting (C) Linear (D) Glass like transparent

Description : Polymethyl methacrylate (PMMA) which is also known as Perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. (A) Thermoplastic (B) Thermosetting (C) Linear (D) Glass like transparent

Last Answer : (B) Thermosetting

Poly Vinyl chloride (PVC) is a __________ material. (A) Thermoplastic (B) Thermosetting (C) Fibrous (D) Chemically active

Description : Poly Vinyl chloride (PVC) is a __________ material. (A) Thermoplastic (B) Thermosetting (C) Fibrous (D) Chemically active

Last Answer : (A) Thermoplastic

__________ polymer is used for making unbreakable crockery. (A) Thermoplastic (B) Melamine (C) Addition (D) None of these

Description : __________ polymer is used for making unbreakable crockery. (A) Thermoplastic (B) Melamine (C) Addition (D) None of these

Last Answer : (B) Melamine

Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness

Description : Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness

Last Answer : (C) Elastometric

Vessels made of __________ can be used to store dry chlorine. (A) Thermoplastic materials (B) Nickel (C) Steel or iron (D) None of these

Description : Vessels made of __________ can be used to store dry chlorine. (A) Thermoplastic materials (B) Nickel (C) Steel or iron (D) None of these

Last Answer : (C) Steel or iron

Poly Vinyl Chloride (P.V.C.) is a __________ material. (A) Thermosetting (B) Thermoplastic (C) Fibrous (D) Chemically active

Description : Poly Vinyl Chloride (P.V.C.) is a __________ material. (A) Thermosetting (B) Thermoplastic (C) Fibrous (D) Chemically active

Last Answer : (B) Thermoplastic

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

Description : 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

Last Answer : ANSWER a. rate of injection of fuel

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

Description : 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 ... placing raw material in the desired moulds, is known as moulding process (D) All the above

Last Answer : Answer: Option D

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

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

Last Answer : Answer: Option A

Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. (A) Solid (B) Liquid (C) Combination of solid & liquid (D) Neither solid nor liquid

Description : Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. (A) Solid (B) Liquid (C) Combination of solid & liquid (D) Neither solid nor liquid

Last Answer : (C) Combination of solid & liquid

Most of the plastics are safe to be used upto a maximum temperature of __________ °C. (A) 100 (B) 150 (C) 350 (D) 450

Description : Most of the plastics are safe to be used upto a maximum temperature of __________ °C. (A) 100 (B) 150 (C) 350 (D) 450

Last Answer : (B) 150

Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics. (A) Piston (B) Gear (C) Positive displacement (D) Sump

Description : Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics. (A) Piston (B) Gear (C) Positive displacement (D) Sump

Last Answer : (B) Gear

Exposure to __________ accelerates the degradation of plastics. (A) Ultraviolet radiation (B) High atmospheric temperature (C) High ambient temperature (D) Damp atmosphere

Description : Exposure to __________ accelerates the degradation of plastics. (A) Ultraviolet radiation (B) High atmospheric temperature (C) High ambient temperature (D) Damp atmosphere

Last Answer : A) Ultraviolet radiation

Which of the process is using the extrusion concept? a.SLA b.SLS c.FDM d.MJM

Description : Which of the process is using the extrusion concept? a.SLA b.SLS c.FDM d.MJM

Last Answer : c.FDM

Direct Extrusion process

Description : Direct Extrusion process

Last Answer : Direct Extrusion process Direct extrusion process is shown in fig. The raw material used is a billet. It consists of a press operated ram and a cylinder or container into which the heated ... for extruding long extrudes. 2) Support of the ram becomes a problem as work length increases.

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

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

Last Answer : (C) Investment casting

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

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

Last Answer : (A) Platinum or gold alloys

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

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

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

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

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

Last Answer : c) Tempering brick earth*