In die casting, machining allowance is

In die casting, machining allowance is

1. Small 2. Large

3. Very large 4. Not provided
by

1 Answer

Answer :

In die casting, machining allowance is Not provided

by

Related questions

In finish machining of an island on a casting with CNC milling machine, an end mill with 10 mm diameter is employed. The corner points of the island are represented by (0, 0), (0, 30), (50, 30) and (50, 0). By applying cutter radius right compensation, the trajectory of the cutter will be a.(-5, 0), (-5, 35), (55, 35), (55,-5), (-5,-5) b.(0,-5), (55,-5), (55, 35), (-5, 35), (-5,-5) c.(5, 5), (5, 25), (45, 25), (45, 5), (5, 5) d.(5, 5), (45, 5), (45, 25), (5, 25), (5, 5)

Description : In finish machining of an island on a casting with CNC milling machine, an end mill with 10 mm diameter is employed. The corner points of the island are represented by (0, 0), (0, 30), (50, 30) and (50, 0). By applying cutter radius right ... , 5), (5, 5) d.(5, 5), (45, 5), (45, 25), (5, 25), (5, 5)

Last Answer : a.(-5, 0), (-5, 35), (55, 35), (55,-5), (-5,-5)

Among casting, forging and forging which has the slowest rate of production? a) Casting b) Forging c) Machining d) All have equal rate of production

Description : Among casting, forging and forging which has the slowest rate of production? a) Casting b) Forging c) Machining d) All have equal rate of production

Last Answer : c) Machining

A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as

Description : A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as 1. Shift 2. Sand wash 3. Swell 4. Scab

Last Answer : A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as Sand wash

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance. (A) Casting (B) Pattern (C) Draft (D) Distortion

Description : The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance. (A) Casting (B) Pattern (C) Draft (D) Distortion

Last Answer : C) Draft

Use suitable pattern allowance to compensate the shrinkage problem during casting process.

Description : Use suitable pattern allowance to compensate the shrinkage problem during casting process.

Last Answer : Shrinkage Allowance: As metal solidifies and cools, it shrinks and contracts in size. To compensate for this, a pattern is made larger than the finished casting by means of a shrinkage or ... are reduced by gates & risers Solid contraction can be reduced by providing more allowance on pattern 

What are some industrial uses for zinc die casting?

Description : What are some industrial uses for zinc die casting?

Last Answer : Some industrial uses for zinc die casting include measuring instruments, appliances and power tools. The most common use is for a vehicles power train.

Cast iron and steel pipes are produced by __________ casting. (A) Die (B) Investment (C) Slush(D) True centrifugal

Description : Cast iron and steel pipes are produced by __________ casting. (A) Die (B) Investment (C) Slush (D) True centrifugal

Last Answer : (D) True centrifugal

Zinc is not used (A) For producing zinc base die casting alloys (B) In its oxide form as pigments (C) As anode for corrosion prevention in boiler (D) As an alloying element in various bronzes

Description : Zinc is not used (A) For producing zinc base die casting alloys (B) In its oxide form as pigments (C) As anode for corrosion prevention in boiler (D) As an alloying element in various bronzes

Last Answer : (D) As an alloying element in various bronzes

Which process allows controlling grain structure of the product? a) Casting b) Forging c) None of the mentioned d) Die Casting

Description : Which process allows controlling grain structure of the product? a) Casting b) Forging c) None of the mentioned d) Die Casting

Last Answer : b) Forging

The most suitable material for die casting is (A) Iron (B) Copper (C) Steel (D) Nickel

Description : The most suitable material for die casting is (A) Iron (B) Copper (C) Steel (D) Nickel

Last Answer : (B) Copper

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

Larger length & diameter water pipes are made by (A) Electrical resistance welding (B) Die casting (C) Semi-centrifugal casting (D) Continuous casting

Description : Larger length & diameter water pipes are made by (A) Electrical resistance welding (B) Die casting (C) Semi-centrifugal casting (D) Continuous casting

Last Answer : options A

Larger length & diameter water pipes are made by (A) Electrical resistance welding (B) Die casting (C) Semi-centrifugal casting (D) Continuous casting

Description : Larger length & diameter water pipes are made by (A) Electrical resistance welding (B) Die casting (C) Semi-centrifugal casting (D) Continuous casting

Last Answer : Option C

A crown casting with a chamfer margin fits the die; but in the mouth the casting is open approximately 0.3mm. A satisfactory fit and accurate physiological close of the gingival area of the crown can BEST be achieved by: A. Hand burnishing B. Mechanical burnishing C. Using finishing burs and points to remove the enamel margins on the tooth D. Making a new impression and remaking the crown E. Relieving the inside of the occlusal surface of the casting to allow for further

Description : A crown casting with a chamfer margin fits the die; but in the mouth the casting is open approximately 0.3mm. A satisfactory fit and accurate physiological close of the gingival area of the crown ... the crown E. Relieving the inside of the occlusal surface of the casting to allow for further

Last Answer : D. Making a new impression and remaking the crown

Explain hot chamber die casting process with neat sketch.

Description : Explain hot chamber die casting process with neat sketch.

Last Answer : Hot chamber die casting : In a hot chamber submerged plunger-type machine, the plunger operates in one end of a gooseneck casting which is submerged in the molten metal. With the plunger in ... . Heating is continued throughout the operation to keep the molten metal sufficiently liquid.

Digit 5 in Opitz system is for_________ a.Part class b.Main shape c.Additional holes, teeth and forming d.Plane surface machining

Description : Digit 5 in Opitz system is for_________ a.Part class b.Main shape c.Additional holes, teeth and forming d.Plane surface machining

Last Answer : c.Additional holes, teeth and forming

Digit 4 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Description : Digit 4 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : d.Plane surface machining

Digit 3 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Description : Digit 3 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : c.Rotational machining

Digit 2 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Description : Digit 2 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : b.Main shape

Digit 1 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Description : Digit 1 in Opitz system is for_________ a.Part class b.Main shape c.Rotational machining d.Plane surface machining

Last Answer : a.Part class

In the process of Selective Laser Sintering, raw material used is in the form of ______ a.machining wax b.foam core c.powder d.rubber

Description : In the process of Selective Laser Sintering, raw material used is in the form of ______ a.machining wax b.foam core c.powder d.rubber

Last Answer : c.powder

Machining is never used for rapid prototyping because it takes too long. a.TRUE b.FALSE c. d.

Description : Machining is never used for rapid prototyping because it takes too long. a.TRUE b.FALSE c. d.

Last Answer : b.FALSE

Which of the following is not an example of additive manufacturing? a.Fused-deposition-modeling b.Electron beam machining c.SLS d.Injection molding

Description : Which of the following is not an example of additive manufacturing? a.Fused-deposition-modeling b.Electron beam machining c.SLS d.Injection molding

Last Answer : d.Injection molding

The machine tool, in which calculation and setting of the operating conditions like depth ofcut, feed, speed are done during the machining by the control system itself, is called a.Computer Numerical Control System b.Direct Numerical Control System c.Machining Center System d.Adaptive Control System

Description : The machine tool, in which calculation and setting of the operating conditions like depth ofcut, feed, speed are done during the machining by the control system itself, is called a.Computer Numerical Control System b.Direct Numerical Control System c.Machining Center System d.Adaptive Control System

Last Answer : d.Adaptive Control System

In CNC machining tool radius compensation turning the left mode ON programming contourdone by a.G40 b.G41 c.G42 d.G43

Description : In CNC machining tool radius compensation turning the left mode ON programming contourdone by a.G40 b.G41 c.G42 d.G43

Last Answer : b.G41

XY Plane Selection in CNC machining is done by….. a.G16 b.G17 c.G18 d.G19

Description : XY Plane Selection in CNC machining is done by….. a.G16 b.G17 c.G18 d.G19

Last Answer : b.G17

For CNC machining skilled part programmers are needed. a.TRUE b.FALSE c. d.

Description : For CNC machining skilled part programmers are needed. a.TRUE b.FALSE c. d.

Last Answer : a.TRUE

In CNC systems multiple microprocessors and programmable logic controllers work a.in parallel b.in series c.one after the other d.for 80% of the total machining time

Description : In CNC systems multiple microprocessors and programmable logic controllers work a.in parallel b.in series c.one after the other d.for 80% of the total machining time

Last Answer : a.in parallel

CNC machining centres do not include operations like a.milling b.boring c.welding d.tapping

Description : CNC machining centres do not include operations like a.milling b.boring c.welding d.tapping

Last Answer : c.welding

n an NC machining operation, the tool has to be moved from point (5, 4) to point (7, 2) alonga circular path with centre at (5, 2). Before starting the operation, the tool is at (5, 4). The G and N codes for this motion are a.N010 GO3 X7.0 Y2.0 I5.0 J2.0 b.N010 GO2 X7.0 Y2.0 I5.0 J2.0 c.N010 GO1 X7.0 Y2.0 I5.0 J2.0 d.N010 GOO X7.0 Y2.0 I5.0 J2.0

Description : n an NC machining operation, the tool has to be moved from point (5, 4) to point (7, 2) alonga circular path with centre at (5, 2). Before starting the operation, the tool is at (5, 4). The G and N codes for this motion ... 0 I5.0 J2.0 c.N010 GO1 X7.0 Y2.0 I5.0 J2.0 d.N010 GOO X7.0 Y2.0 I5.0 J2.0

Last Answer : b.N010 GO2 X7.0 Y2.0 I5.0 J2.0

what are Machining and Processing?

Description : what are Machining and Processing?

Last Answer : In the mechanical manufacturing industry, most metal components and parts require some form of machining during the manufacturing process. Metal machining is the most widespread metal-shaping process which involves cutting metals to small pieces. Similar to the machining of other types of mateirals,

How to plan and prepare to carry out the machining operations?

Description : How to plan and prepare to carry out the machining operations?

Last Answer : What is the answer ?

Where online can I purchase used CNC machining equipment?

Description : Where online can I purchase used CNC machining equipment?

Last Answer : You can purchase used CNC machining equipment at www.usedmachinerysales.com. Another good website is www.industrialmachinery.com

Pollution by particulate matter emission in the atmosphere does not take place during metal (A) Grinding (B) Machining(C) Cutting(D) Polishing

Description : Pollution by particulate matter emission in the atmosphere does not take place during metal (A) Grinding (B) Machining (C) Cutting (D) Polishing

Last Answer : (D) Polishing

__________ property of steel increases by addition of large amount of silicon in it. (A) Mechanical (B) Machining (C) Magnetic (D) Refractory

Description : __________ property of steel increases by addition of large amount of silicon in it. (A) Mechanical (B) Machining (C) Magnetic (D) Refractory

Last Answer : Option C

Presence of nickel & chromium in steel does not raise its (A) Elastic limit (B) Machining properties (C) Ductility (D) Resilience Answer: Option A

Description : Presence of nickel & chromium in steel does not raise its (A) Elastic limit (B) Machining properties (C) Ductility (D) Resilience Answer: Option A

Last Answer : Option A

Compressed dry air is used as the cutting fluid, while machining (A) Steel (B) Cast iron (C) Aluminium (D) None of these

Description : Compressed dry air is used as the cutting fluid, while machining (A) Steel (B) Cast iron (C) Aluminium (D) None of these

Last Answer : Option B

Annealing of cast iron (A) Softens it to facilitate machining (B) Decreases the free carbon (C) Increases the strength (D) None of these

Description : Annealing of cast iron (A) Softens it to facilitate machining (B) Decreases the free carbon (C) Increases the strength (D) None of these

Last Answer : Option A

Enlist different types of chips formed during machining

Description : Enlist different types of chips formed during machining

Last Answer : Different types of chips: 1. Discontinuous or segmental chips 2. Continuous chips 3. Continuous chips with built-up edge (BUE) 4. Non homogeneous chip

What are the factors considered while selecting the components for machining on CNC machines?

Description : What are the factors considered while selecting the components for machining on CNC machines?

Last Answer : Following are the factors to be considered in selecting components of CNC machines? 1. High precision and repeatability. 2. Reliability. 3. Efficiency -To meet the requirement of high precision. ... should be such that removal of swarf is easy and the chips do not fall on the slideways.

Explain the importance of various machining parameters in improving tool life.

Description : Explain the importance of various machining parameters in improving tool life.

Last Answer : Various Machining Parameters in Improving Tool Life are: 1. Hardness and machinability of the metal to be machined. 2. Quality of heat treatment if it is steel tool. 3. Whether machining is to be done with or ... tool. 6. Depth of cut. 7. Feed to be given to the tool. 8. Cutting Speed.

List types of chips produced in machining process.

Description : List types of chips produced in machining process.

Last Answer : The various types of chips produced in machining process are as follows: 1. Continuous chips: According to its name, continuous chips have a continuous segment. . 2. Discontinuous chips or segmental chips: ... chip is same as the continuous chips except a built edge is form at the face of tool.

The most suitable refrigerant for a commercial ice plant is :

Description : The most suitable refrigerant for a commercial ice plant is : (A) brine (B) NH3 (C) Freon (D) air

Last Answer : Ammonia NH3

Dew point temperature is constant as long as there is :

Description : Dew point temperature is constant as long as there is : (A) no change in moisture content of the air (B) no change in volume of air (C) no change in dry bulb and wet bulb temperature (D) no change in relative and specific humidity of air

Last Answer : Dew point temperature is constant as long as there is : no change in moisture content of the air

The comfort conditions in air conditioning are :

Description : The comfort conditions in air conditioning are : (A) 22 ºC dry bulb temperature and 60% relative humidity (B) 25 ºC dry bulb temperature and 100% relative humidity (C) 20º C dry bulb temperature and 75% relative humidity (D) 15º C bulb temperature and 80% relative humidity

Last Answer : The comfort conditions in air conditioning are : 22 ºC dry bulb temperature and 60% relative humidity 

Air is normally dehumidified by :

Description : Air is normally dehumidified by : (A) injecting water (B) passing steam (C) heating (D) cooling

Last Answer : 1

A fluid in equilibrium cannot sustain :

Description : A fluid in equilibrium cannot sustain : (A) tensile stress (B) compressive stress (C) shear stress (D) bending stress

Last Answer : A fluid in equilibrium cannot sustain : shear stress 

Euler’s dimensionless number relates the following :

Description : Euler’s dimensionless number relates the following : (A) Inertial force and gravity (B) Viscous force and Inertial force (C) Pressure force and Inertial force (D) Pressure force and viscous force

Last Answer : Euler’s dimensionless number relates the following : Pressure force and Inertial force

Power transmitted through a pipe is maximum when the loss of head due to friction is :

Description : Power transmitted through a pipe is maximum when the loss of head due to friction is : (A) one-half of the total head supplied (B) one-third of the total head supplied (C) one-fourth of the total head supplied (D) zero

Last Answer : Power transmitted through a pipe is maximum when the loss of head due to friction is : one-third of the total head supplied 

The efficiency of a centrifugal pump is maximum when its blades are :

Description : The efficiency of a centrifugal pump is maximum when its blades are : (A) straight (B) bent forward (C) bent backward (D) bent forward first and then backward

Last Answer : The efficiency of a centrifugal pump is maximum when its blades are : bent backward