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

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
by

1 Answer

Answer :

(A) Runner
by

Related questions

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

__________ 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 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

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 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

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

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

Injection pressure of fuel nozzle in diesel engine is a) 30-45 kg/cm2 b) 50-100 kg/cm2 c) 120-200 kg/cm2 d) 200 kg/cm2

Description : Injection pressure of fuel nozzle in diesel engine is a) 30-45 kg/cm2 b) 50-100 kg/cm2 c) 120-200 kg/cm2 d) 200 kg/cm2

Last Answer : c) 120-200 kg/cm2

Hallow cone nozzle – liquid is fed into whirl chamber through entry or through a fixed spiral passage to give rotation motion. a. Axial b. Radial c. tangential. d. None of above

Description : Hallow cone nozzle – liquid is fed into whirl chamber through entry or through a fixed spiral passage to give rotation motion. a. Axial b. Radial c. tangential. d. None of above

Last Answer : Ans- c. tangential.

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)

Rapid low cost short life injection or blow mold tooling?

Description : Rapid low cost short life injection or blow mold tooling?

Last Answer : Could you be a little clearer on what you need? Are you making parts for the cabinets? How will they change? What size objects do you want to make with the injection molding equipment? I always seem to need clarification. :-(

Where can I learn about plastic injection mold?

Description : Where can I learn about plastic injection mold?

Last Answer : Plastic injection molding is a complex form of molding that uses plastic pellets and you heat them into a desired shape. Plastic injection molding can be very expensive when purchasing tools. ... more information on plastic injection molding go to http://www.engineersedge.com/injection_molding.htm.

Tropical sprue?

Description : Tropical sprue?

Last Answer : DefinitionTropical sprue is a condition seen in residents of, or visitors to tropical areas. It impairs the absorption of nutrients from the intestines, causing malabsorption.See also: Celiac ... level (serum)Iron level (serum)Stool examination for bacteria and parasitesUpper endoscopyUpper GI s

Celiac sprue is an example of which category of malabsorption? a) Mucosal disorders causing generalized malabsorption In addition to celiac sprue, regional enteritis and radiation enteritis are examples of mucosal disorders.

Description : Celiac sprue is an example of which category of malabsorption? a) Mucosal disorders causing generalized malabsorption In addition to celiac sprue, regional enteritis and radiation ... malabsorption Postoperative gastric or intestinal resection can result in development of malabsorption syndromes.

Last Answer : a) Mucosal disorders causing generalized malabsorption In addition to celiac sprue, regional enteritis and radiation enteritis are examples of mucosal disorders.

The contraction (Gaseous) porosity in inlays is related to:** A. Overheating of the alloy B. Molten gases C. Diameter of the sprue D. Overheating of investment

Description : The contraction (Gaseous) porosity in inlays is related to:** A. Overheating of the alloy B. Molten gases C. Diameter of the sprue D. Overheating of investment

Last Answer : B. Molten gases

Elaborate why the section of a sprue reduces downwards.

Description : Elaborate why the section of a sprue reduces downwards.

Last Answer : A sprue section reduces downwards to a smaller size at its bottom will create a choke which will help keep the sprue full of molten metal. 

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.

With EFI of diesel engines a) sharp start and stop is not possible b) very high injection pressure can be obtained c) sudden cylinder cut-off is impossible d) diagnostic properties are poor

Description : With EFI of diesel engines a) sharp start and stop is not possible b) very high injection pressure can be obtained c) sudden cylinder cut-off is impossible d) diagnostic properties are poor

Last Answer : Answer: b Explanation: Generally, with EFI of diesel engines very high injection pressure can be obtained.

Mixing of air and fuel in the diesel engine occurs in a. injection pump b. carburetor c. engine cylinder d. inlet manifold

Description : Mixing of air and fuel in the diesel engine occurs in a. injection pump b. carburetor c. engine cylinder d. inlet manifold

Last Answer : ANSWER c. engine cylinder

With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the (A) Velocity increases (B) Pressure decreases (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the (A) Velocity increases (B) Pressure decreases (C) Both (A) & (B) (D) Neither (A) nor (B)

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

The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the (A) Length is shorter (B) Throat diameter is more (C) Sudden expansion of flow in the downstream occurs (D) Distance between the throat and the inlet is more

Description : The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the (A) Length is shorter (B) Throat diameter is more (C) Sudden expansion of flow in the downstream occurs (D) Distance between the throat and the inlet is more

Last Answer : (C) Sudden expansion of flow in the downstream occurs

In case of a pipe exit fitted with a nozzle, the (A) Conversion of kinetic head to pressure head is facilitated (B) Conversion of pressure head to kinetic head is facilitated (C) Power transmitted through the nozzle is maximum, when the head lost due to friction in the pipe is equal to one third of the total supply head (D) Both (B) and (C)

Description : In case of a pipe exit fitted with a nozzle, the (A) Conversion of kinetic head to pressure head is facilitated (B) Conversion of pressure head to kinetic head is facilitated (C) Power transmitted through the nozzle ... in the pipe is equal to one third of the total supply head (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. (A) Geometric (B) Arithmetic (C) Logarithmic (D) Either (A), (B) or (C)

Description : In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. (A) Geometric (B) Arithmetic (C) Logarithmic (D) Either (A), (B) or (C)

Last Answer : (C) Logarithmic

Bunsen burner is an example of a/an __________ burner. (A) Inside mixing/premix type (B) Outside mixing/diffusion flame/nozzle mix type (C) Rotary cup (D) Submerged combustion

Description : Bunsen burner is an example of a/an __________ burner. (A) Inside mixing/premix type (B) Outside mixing/diffusion flame/nozzle mix type (C) Rotary cup (D) Submerged combustion

Last Answer : (A) Inside mixing/premix type

In a/an __________, the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure. (A) Rotameter (B) Pitot tube (C) Venturimeter (D) Flow nozzle

Description : In a/an __________, the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure. (A) Rotameter (B) Pitot tube (C) Venturimeter (D) Flow nozzle

Last Answer : (B) Pitot tube

The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam. (A) Wetness (B) Mass flow rate (C) Both 'a' & 'b' (D) Neither 'a' nor 'b'

Description : The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam. (A) Wetness (B) Mass flow rate (C) Both 'a' & 'b' (D) Neither 'a' nor 'b'

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

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

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

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 power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. (A) One-half (B) One-third (C) Two-third (D) None of these

Description : The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. (A) One-half (B) One-third (C) Two-third (D) None of these

Last Answer : 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

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

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*

What is moulding?

Description : What is moulding? 

Last Answer : Moulding is the process of giving required shape & size to the plastic material (like concrete / clay) till it harden by external surface support. 

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

Last Answer : Forming

Properties of moulding sand are

Description : Properties of moulding sand are

Last Answer : Properties of moulding sand are: i) Cohesiveness or (strength) of sand,  ii) Permeability (Porosity) iii) Plasticity  iv) Thermal Stability v) Refractoriness  vi) Flow ability, vii) ... be reusable and should produce good casting surface. x) It should be bad conductor of heat.

Explain any four properties of Moulding sand.

Description : Explain any four properties of Moulding sand. 

Last Answer : 1. Porosity: Molten metal always contain a certain amount of dissolved gases, which are evolved when the metal freezes the molten metal coming in contact with the moist sand , generates steam or ... to the casting. Refractoriness is measured by the sinter point of the sand rather than its melting

In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation? (a) Gamete Intracytoplasmic Fallopian Transfer (b) Artificial Insemination (c) Intracytoplasmic sperm injection (d) Intrauterine transfer

Description : In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation? (a) Gamete Intracytoplasmic Fallopian Transfer (b) Artificial Insemination (c) Intracytoplasmic sperm injection (d) Intrauterine transfer

Last Answer : (b) Artificial Insemination

In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation ? (1) Gamete intracytoplasmic fallopian transfer (2) Artificial Insemination (3) Intracytoplasmic sperm injection (4) Intrauterine transfer

Description : In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation ? (1) Gamete intracytoplasmic fallopian transfer (2) Artificial Insemination (3) Intracytoplasmic sperm injection (4) Intrauterine transfer

Last Answer : (2) Artificial Insemination

In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow? (A) Discharge of water by a centrifugal pump being run at a constant rpm (B) Water flow in the suction and discharge pipe of a reciprocating pump (C) Water discharge from a vertical vessel in which constant level is maintained (D) Low velocity flow of a highly viscous liquid through a hydraulically smooth pipe

Description : In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow? (A) ... level is maintained (D) Low velocity flow of a highly viscous liquid through a hydraulically smooth pipe

Last Answer : (B) Water flow in the suction and discharge pipe of a reciprocating pump

The pump impeller and the turbine runner in a hydraulic torque converter (A) Have the same diameter (B) Have different diameters (C) Are directly coupled (D) None of these

Description : The pump impeller and the turbine runner in a hydraulic torque converter (A) Have the same diameter (B) Have different diameters (C) Are directly coupled (D) None of these

Last Answer : (B) Have different diameters

Which area is used in case of heat flow by conduction through a cylinder? (A) Logarithmic mean area (B) Arithmetic mean area (C) Geometric mean area (D) None of these

Description : Which area is used in case of heat flow by conduction through a cylinder? (A) Logarithmic mean area (B) Arithmetic mean area (C) Geometric mean area (D) None of these

Last Answer : (A) Logarithmic mean area

In case of laminar flow of fluid through a circular pipe, the (A) Shear stress over the cross-section is proportional to the distance from the surface of the pipe (B) Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the volume of circumscribing cylinder (C) Velocity profile varies hyperbolically and the shear stress remains constant over the cross-section (D) Average flow occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)

Description : In case of laminar flow of fluid through a circular pipe, the (A) Shear stress over the cross-section is proportional to the distance from the surface of the pipe (B) Surface of velocity distribution is a ... occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)

Last Answer : (B) Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the volume of circumscribing cylinder

. It is possible to integrate an automatic flow controller to a (A) Flow nozzle (B) Venturimeter (C) Rotameter (D) None of these

Description : . It is possible to integrate an automatic flow controller to a (A) Flow nozzle (B) Venturimeter (C) Rotameter (D) None of these

Last Answer : (C) Rotameter

The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a (A) Weir(B) Pitot tube(C) Kennison nozzle(D) V-notch

Description : The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a (A) Weir (B) Pitot tube (C) Kennison nozzle (D) V-notch

Last Answer : (B) Pitot tube

An ideal nozzle design aims at (A) Minimising wall friction (B) Suppressing boundary layer separation (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : An ideal nozzle design aims at (A) Minimising wall friction (B) Suppressing boundary layer separation (C) Both (A) & (B) (D) Neither (A) nor (B)

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

Select the correct statement. (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter(B) A Venturimeter with a given gage difference discharges at a greater rate,when the flow is vertically downward through it, than when the flow is verticallyupward(C) For a given pressure difference, the discharge of gas is greater through aVenturimeter, when compressibility is taken into account, than when it isneglected(D) The overall pressure loss is the same in a given pipe line, whether aVenturimeter or a nozzle with the same throat dia is used

Description : Sele(A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meterct the correct statement. (B) A Venturimeter with a given gage difference discharges at a ... a given pipe line, whether a Venturimeter or a nozzle with the same throat dia is used

Last Answer : (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meterct the correct statement

Select the correct statement. (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter(B) A Venturimeter with a given gage difference discharges at a greater rate,when the flow is vertically downward through it, than when the flow is verticallyupward(C) For a given pressure difference, the discharge of gas is greater through aVenturimeter, when compressibility is taken into account, than when it isneglected(D) The overall pressure loss is the same in a given pipe line, whether aVenturimeter or a nozzle with the same throat dia is used

Description : Select the correct statement. (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter (B) A Venturimeter with a given gage difference discharges at a ... a given pipe line, whether a Venturimeter or a nozzle with the same throat dia is used

Last Answer : (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter