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GATE Past Year Questions: Machining Processes | Manufacturing Engineering - Mechanical Engineering PDF Download

Question for GATE Past Year Questions: Machining Processes
Try yourself:Grinding ratio is defined as Volume of wheel wear
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Question for GATE Past Year Questions: Machining Processes
Try yourself:The binding material used in cemented carbide cutting tools is

[PI 2011]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:During turning of a low carbon steel bar with TiN coated carbide insert, one needs to improve surface finish without sacrificing material removal rate. The achieve improved surface finish one should

[PI 2010]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:A side and face cutter 125 mm diameter has 10 teeth. If operates at a cutting speed of 14 m/ min with a table traverse 100 mm/min the feed per tooth of the cutter is

[PI 2002]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:A grinding wheel is said to be glazed if

[PI 1995]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:If the index crank of a dividing head is turned through one complete revolution and 10 holes in a 30 hole Circle plate, the workpiece turns through (in degrees)

[PI 1992]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:Find the speed range ratio for the drilling machine spindle if the minimum and maximum diameters of drills used are 5 mm and 25 mm respectively and if the machinability indices for the work materials are 120 (brass) and 40 (alloy steel)

[PI 1992]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:In a grinding wheel marked with AA-48-L-7-V25, L refers to

[PI 1992]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:A drilling machine has to be designed with 8 spindle speeds ranging approximately between 120 to 1200 rpm. The 5th spindle speed is

[PI 1991]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:Assertion (A): Single start threads are used for fastening purposes.
Reason (R): Single start threads are easier to produce in a lathe.

[PI 1990]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:The length, width and thickness of a steel sample are 400 mm, 410 mm, 40 mm and 20 mm, respectively. Its thickness needs to be uniformly reduced by 2 mm in a single pass by using horizontal slab miling. The miling cutter (diameter : 100 mm, width ; 50 mm) has 20 teeth and rotates at 1200 rpm. The feed per tooth is 0.05 mm. The feed direction is along the length of the sample. If the over-travel distance is the same as the approach distance, the approach distance and time taken to complete the required machining task are :

[ME 2019,Set-1]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:Better surface finish is obtained with a large rake angle because

[ME 2014,Set-4]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:Cutting tool is much harder than the workpiece.Yet the tool wears out during the tool-work interaction, because

[ME 2014,Set-3]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:The time taken to drill a hole through a 25 mm thick plate with the drill rotating at 300 rpm and moving at a feed rate of 0.25 mm/rev is

[ME 2002]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:The hardness of a grinding wheel is determined by the

[ME 2002]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:A conventional lathe and a CNC lathe are under consideration for machining a given part. The relevant data are shown below:
GATE Past Year Questions: Machining Processes | Manufacturing Engineering - Mechanical Engineering
The machine preferred for producing 100 pieces is

[ME 2000]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:Abrasive material used in grinding wheel selected for grinding ferrous alloys is

[ME 2000]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:Plain milling of mild steel plates produces

[ME 1995]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:Among the conventional machining processes, maximum specific energy is consumed in

[ME 1995]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:Cutting power consumption in turning can be significantly reduced by

[ME 1995]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:A grinding wheel A 27 K 7 V is specified for finish grinding of a HSS cutting tool. What do you understand about the wheel from the above code.
Is this an appropriate choice?

[ME 1994]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:A milling cutter having 8 teeth is rotating at 150 rpm. If the feed per tooth is 0.1 mm, the speed in mm per minute is

[ME 1993]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:A milling cutter having 10 teeth is rotating at 100 rpm. The table feed is set at 50-mm per minute. The feed per tooth in mm is

[ME 1991]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:For cutting double start screw threads of pitch 1.0 mm on a lathe, the thread cutting tool should have a feed rate of

[ME 1991]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:If the longitudinal feed in centreless grinding is expressed by Vf = πDN sinα, D stands for

[ME 1990]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:Pure metal pose machinability problem in turning operations. The reason is the

[ME 1988]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:Cutting speed in grinding is set to a high value to

[ME 1988]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:The ideal cutting fluid for low speed machining of metals should be one which

[ME 1988]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:If in a turning operation both the feed rate and the nose radius are doubled the surface finish value will be

[ME 1987]

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Question for GATE Past Year Questions: Machining Processes
Try yourself:The standard specification of a grinding wheel is A-46-M-6-V-21. It means a wheel of

[ME 1987]

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FAQs on GATE Past Year Questions: Machining Processes - Manufacturing Engineering - Mechanical Engineering

1. What are the different types of machining processes in mechanical engineering?
Ans. In mechanical engineering, there are several types of machining processes. Some of the commonly used ones include turning, milling, drilling, grinding, and broaching. Each process has its own unique characteristics and applications.
2. How does turning differ from milling in machining processes?
Ans. Turning and milling are two different machining processes. Turning involves the rotation of a workpiece while a cutting tool removes material to create the desired shape. On the other hand, milling involves the use of a rotating cutting tool to remove material from the workpiece. Turning is typically used to create cylindrical shapes, while milling is used for more complex shapes and features.
3. What is the purpose of drilling in machining processes?
Ans. Drilling is a machining process used to create holes in a workpiece. It involves the use of a rotating cutting tool called a drill bit, which applies axial force to remove material and create the hole. Drilling is commonly used in various industries for applications such as creating holes for fasteners, creating smooth bore holes for pipes, or creating holes for electrical wiring.
4. How does grinding differ from other machining processes?
Ans. Grinding is a machining process that involves the use of an abrasive wheel to remove material from a workpiece. It differs from other machining processes because it uses abrasion rather than cutting to achieve material removal. Grinding is commonly used for precision machining and finishing operations, where tight tolerances and surface quality are required.
5. What is broaching and how is it used in machining processes?
Ans. Broaching is a machining process that involves the use of a specialized tool called a broach to remove material from a workpiece. The broach has a series of cutting teeth of various shapes and sizes, which progressively remove material as it is pushed or pulled through the workpiece. Broaching is commonly used to create complex internal shapes such as keyways, splines, and gears.
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Document Description: GATE Past Year Questions: Machining Processes for Mechanical Engineering 2024 is part of Manufacturing Engineering preparation. The notes and questions for GATE Past Year Questions: Machining Processes have been prepared according to the Mechanical Engineering exam syllabus. Information about GATE Past Year Questions: Machining Processes covers topics like and GATE Past Year Questions: Machining Processes Example, for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for GATE Past Year Questions: Machining Processes.
Introduction of GATE Past Year Questions: Machining Processes in English is available as part of our Manufacturing Engineering for Mechanical Engineering & GATE Past Year Questions: Machining Processes in Hindi for Manufacturing Engineering course. Download more important topics related with notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Mechanical Engineering: GATE Past Year Questions: Machining Processes | Manufacturing Engineering - Mechanical Engineering
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