Explain the design principles of plant layout.

1 Answer

Answer :

Design Principles of Plant Layout:

S.N.
Design Principles
Description
1 Principle of Integration
All the plant facilities should be fully integrated into a single operating unit to achieve maximum efficiency and minimum cost of production.
2 Principle of Minimum Distance
Best plant layout is the one in which men and materials have to move minimum distance between operations.
3 Principle of Space Utilization
Best plant should utilize all the available space in most economic and effective manner.
4 Principle of Flow
Best plant layout is one which results in smooth and continuous flow as per the sequence of operations.
5 Principle of Flexibility
A flexible plat layout is one in which facilities can be rearranged at a minimum cost and least inconvenience.
6 Principle of Safety, Security and Satisfaction
Best plant layout is one which makes work satisfying, pleasant, convenient and safer for workers. 
7 Principle of Minimum Investment
Available facilities should be utilized in an optimum manner so as to result in minimum initial capital investment.

Related questions

Description : Explain general principles of jigs/fixture design

Last Answer : 1. Before planning the design of a tool, compare the cost of production of the work with present tools with the expected cost of production, using the tool to be made. Confirm that the cost of ... nearly as possible opposite to some bearing point of the work to avoid springing. 11. Round all corners

Description : State and explain the basic principle to be followed to develop a good plant layout.

Last Answer : Following are the basic principle to be followed to develop a good plant layout. 1. Overall integration: A good layout is one that integrates men, materials, machine and supporting ... to the production process. For this purpose there must be sufficient space between different machines.

Description : Define plant layout. Explain in detail 'Process layout' with neat sketch.

Last Answer : Definition of Plant layout It is defined as the systematic arranging of various facilities like equipments, machines manpower, and inspection areas, etc and services within the area  of plant ... required for product manufacturing Less cost of investment General purpose machines are used

Description : State at least eight principles of jigs/ fixture design

Last Answer : The following principles should be considered for design of jigs/ fixtures 1.Rigidity: jigs/ fixtures should be sufficiently stiff/rigid to achieve required accuracy during machining. 2.Fool ... or clearance grooves should be provided for easy removal of metal chips, burrs after machining

Description : State the objectives of plant layout.

Last Answer : Objectives of plant layout: 1. To optimize utilization of floor area. 2. To reduce material handling and internal transportation. 3. To optimize design of stores. 4. To minimize ... 9. To provide workmen safety, convenience and comfort. 10. To improve overall productivity of plant

Description : State types of plant layouts. Describe product layout with neat sketch.

Last Answer : Types of plant layout: 1. Product or line layout 2. Process or functional layout 3. Fixed or static layout 4. Combination layout. Product layout: 1. This layout is ... line without back-tracking or cross-movements and finally the end product leaves from the other end of the line.

Description : State the symptoms of bad plant layout.

Last Answer : Symptoms of bad layout. The symptoms of bad layout are listed below: 1. Poor utilization of space. 2. Long material flow lines. 3. Congestion for movement of materials and men. 4. ... Difficult to supervise and control. 8. Spoilage of products during handling. 9. Production line bottlenecks.

Description : State symptoms of good plant layout and bad plant layout

Last Answer : Symptoms of good plant layout [1] Material handling is minimized. [2] Bottlenecks and points of congestions are eliminated. [3] Work stations are designed suitably and properly. [4] The ... working conditions [4] Less utilization of space [5] More plant maintenance [6] Reduced productivity

Description : Explain in brief product and process type layout

Last Answer : Product Layout:- It is also known as line layout. It implies that various operations on raw materials are performed in a sequence and the machines are placed along the product flow line i.e. machines are ... lathes will be at one place, all milling machines will be at one place etc

Description : Explain product layout with a neat sketch. 

Last Answer : Product layout  1. This layout is also called flow-line layout, line layout or production line layout. In this layout, the machines, equipment and work centers are arranged in a straight or ... the other end of the line. 4. Examples are automobile assembly lines, bottling plant and so on

Description : Draw the layout of two wheeler service station. Justify the type of layout you have adopted.

Last Answer : Layout of Two Wheeler Service Station: [1] The major factors considered for service station, is an impact of location on sales and services and customer satisfaction. [2] Customers usually look about how close ... a process type of layout and they are assembled using product type of layout.

Description : Differentiate between product layout and process layout on the basis of 1) Initial investment cost. 2) Cycle Time. 3) Types of machines used. 4) Skill of labour required. 5) Inventory level. 6) Arrangement of machine. 

Last Answer : Parameter Product layout Process layout 1) Initial investment cost. It requires higher initial investment. Less initial investment 2) Cycle Time. Less cycle time for ... similar operation are grouped together to make a section, like lathe section, milling section etc.

Description : Explain the principles considered for selection of material handling equipment.

Last Answer : 1. Planning :All activity should be planned. Plan a system which include all the handling activities & co-coordinating the operations. 2. Simplification principle: Reduced or eliminate ... 10. Maintenance principle: Plan for preventing maintenance and schedule repair of all handling equipment

Description : Which is area of engineering and science which understand the different principles, structure and programming of robot. (A) Mechatronics (B) Robotics (C) Aeronautics (D) None of the above

Last Answer : B

Description : Describe various principles of material handling in details.

Last Answer : A) Related to planning. - All activity should be planned. - Plan a system which include all the handling activities & co-coordinating the operations. - Simplification ... Performance efficiency principle: Determine efficiency of material handling performance in terms of expense per unit handled.

Description : Enlist general principles of jigs and fixtures 

Last Answer : Principles of Jigs and Fixtures:- [1] Location Principle [2] Clamping and guiding Principle [3] Loading and unloading Principle [4] Motion Economy [5] Fool proofing [6] Rigidity [7] Clearance ... safety [14] Ejectors [15] Truninos [16] Inserts [17] Provision of coolant [18] Economy

Description : What is ejector? Explain role and necessity of ejector in the design of jigs and fixtures.

Last Answer : Ejector: Ejector is used to remove the work piece from close fitted locators and is present behind the work piece. Ejector speed up the operation by reducing unloading time. This increases the ... [6] The combined mechanism used in Ejectors can be powered hydraulically or by compressed air. 

Description : List down various types of clamping devices used in design of Jigs. Explain any one with sketch.

Last Answer : List of Types of clamping devices used in design of jigs. i. Screw clamp ii. Pivoted clamp. iii. Equalizing clamp. iv. Latch clamp. v. Wedge clamp. vi. Hinged jaw clamp. ... to be gripped on its edges as shown in figure. This arrangement ensures easy machining of the work piece 

Description : What is ejector? State its necessity in the design of jigs and fixtures.

Last Answer : Concept of ejector: A device, which is used to remove the work piece from the machine after completion of operation, is known as ejector. Necessity: In the design of jigs and fixture , ... been machined. Ejector speeds up the unloading of the work piece and thus increases the production rate.

Description : Enlist general principle of jig and fixture design.

Last Answer : General principle of jig and fixture design. 1. The jig and fixture should be as open as possible to minimize chip or burr accumulation and to enable the operator to remove the chips easily with a ... . Inserts 9. Design for safety 10. Sighting surfaces 11. Simplicity in Design 12. Economical 

Description : What are the factors influencing the selection of a site for a new industry/plant? Explain 

Last Answer : Factors influencing the selection of a site for new Industry/Plant: The location of the plant can have a crucial effect on the overall profitability of a Project, and the scope for ... rental or taxes and other inducements in the hope of attracting certain industries to particular locations.

Description : What are the important factors affecting selection of site for a new plant

Last Answer : Factors affecting selection of site for new industry/plant: 1. Availability of raw material: As far as possible the site selected should be near the source of raw materials so that cost of ... in such a way that a plenty of land other facilities must be available for future expansion.

Description :  Explain the concept of AGV? State it’s any two applications. 

Last Answer : AGV is the battery operated programmed vehicle, used to carry load from one location to another by following a prescribed path around the manufacturing floor. It is a driverless vehicle, ... System) 2) AGV material handling system is very suited to computer integrated manufacturing system  

Description : Explain various Robot configurations with neat sketch. 

Last Answer : Different Robot Configurations: Robots are being classified on the basis of their physical configuration and control systems adopted. These classifications are briefly described as below: [1] ... direction for vertical insertion tasks. It is basically used for the assembly purpose.

Description : Explain in brief the allowances to be considered while estimating the standard time.

Last Answer : Allowances to be considered while estimating the Standard Time: Allowances are added to the normal time in order to arrive at standard time. It is impossible to work throughout the day even ... under exceptional circumstances. It is used with utmost care and only in clearly defined circumstances.

Description : Explain the concept of JIT and how does it help the manufacturing system to improve productivity?

Last Answer : Concept of JIT: [1] JIT is a Production methodology which aims to improve overall productivity through elimination of waste and which leads to improved quality. [2] JIT concept was ... ] It improves customer satisfaction [14] It improves working condition and relation between employees. 

Description : Explain the importance of ‘5S’ (“Five S”) Concept.

Last Answer : Introduction of 5 S Concept: [1] 5S is a process of workplace organization and housekeeping which is carried out gradually and systematically. [2] It is a structured program to implement workplace ... In fact, 5S is a basic step in a journey towards Total Quality Management (TQM).

Description : What are the different types of Fixtures? Explain any one with sketch.

Last Answer : Types of Fixtures: Following are the types of Fixtures according to the type of machine operations for which they are used. [1] Lathe (Turning) Fixture [2] Milling fixtures  [3] Grinding ... relative to the tool of the machine table and guide the broaching tool in relation to the job. 

Description : Explain the principle of working of hydraulic actuator and state its advantages.

Last Answer : Working Principle of Hydraulic Actuator  1. According to Pascal, when there is an increase in pressure at any point in a confined incompressible fluid, then there is an equal increase at every point in ... better performance than others. 3. Power to weight ratio of these actuators is high.

Description : Explain the following terms in context with work study.

Last Answer : i. Therbligs. ii. MTM (Method Time Measurement)  Therbligs :  1. Therbligs are used to describe the basic element of movement or fundamental hand motions of the work cycle. 2. Every ... sum of these motion times is the time an operator of average skill would take to perform the task.

Description : Explain the need and importance of material handling devices in an industry. 

Last Answer : Need of material handling devices: Material handling is an important activity in the industries. A large part of indirect labour employed in an industry is engaged in handling of materials. It has ... material handling and provides proper working conditions. 6. Reduced in process inventory.

Description : Explain the various steps for planning a process for product from raw material to finished product in an industry.

Last Answer : 1. Analysis of Product and its specification: - During analysis, following parameter should be considereda. Drawing and specification of product. b. Quality of product. c. Number of parts/components per ... and fixing the rates of payment. 11. Prepare the route sheet and operation sheet.

Description : Enlist any four factors which affect selection of material handling system. Explain which type of material handling system is suitable for: (i) Unloading two wheelers from truck ii) Stacking of pallets in store racks.

Last Answer : Four Factors affecting Selection of Material Handling System: [1] Adaptability and Flexibility [2] Type of Material to be handled [3] Type of Layout [4] Type of Production [5] ... [11] Cost of installation and handling Suitable Material Handling Devices for Following Activities:

Description : Explain how Gantt chart is used in project planning with proper example. 

Last Answer : Use of Gantt Chart in Project Planning: Gantt Chart is a project planning tool that can be used to represent the timing of tasks required to complete a project. Because Gantt chats are simple to ... a chart, which are used to record the actual operating times and delays of workers and machines.

Description : Explain the concept of production system with proper input output model.

Last Answer : Concept of Production System: The Production System of any organization is that part which produces the organizations products. [1] Production is the basic activity of any organization and all ... feedback system about the activities, which is essential to control and improve system performance.

Description : Explain tactile sensors in robots

Last Answer : Tactile Sensors:- Tactile sensors provide the robot with the capability to respond to contact forces between itself and other objects within its work volume. Tactile sensors can be divided ... magnitude of the contact force. Strain gauge devices are typically employed in force measuring sensors.

Description : Explain pull and push types of manufacturing system

Last Answer : Pull Type Manufacturing System: [1] Just in Time (JIT) is a pull system which is also known as Make to Order Production. [2] Pull System means that parts are produced to order and the ... represented by "Make to Stock" (MTS) in which the production is not based on actual demand.

Description : Explain any two clamping devices with neat sketch

Last Answer : [1] Screw clamp:- It is particularly useful when a component is to be gripped on its edges. This arrangement insures easy machining of top surface of work piece. [2] Equalizing clamp: - It ... is operated by simply actuating the handle up or down which locks or unlocks the strap with the work.

Description : Explain in brief steps involved in process planning.

Last Answer : Steps involved in process planning: 1. Analysis of Product and its specification: - During analysis, following parameter should be considered, a. Drawing and specification of product. b. Quality of ... and fixing the rates of payment. 11. Prepare the route sheet and operation sheet.

Description : Name different types of material handling equipments used in industry. Explain any one with neat sketch.

Last Answer : Types of material handling devices 1.Trucks : i) Power lift : a. Fork lift b. elevating platform ii) Hand Lift. iii) Porters trolley. 2.Tractors and trailers 3. Hoist and cranes: ... bands can also be used. 5. Speed of belt normally ranges from 1 m/s to 70 m/s.

Description : How productivity is measured? Explain any one method of productivity measurement.

Last Answer : Measurement of productivity: - For measurement of productivity, one must find out input and output of the system. To measure the input resources and goods or services supplied is a critical job ... , cutting tools, coolant etc. Material productivity measures in terms of goods produced.

Description : What is meant by 5'S'? Explain each 'S' in details

Last Answer : 5 S' Concept:- 5'S is the name of a workplace organization methodology that uses a list of five Japanese words which are seiri, seiton, seiso, seiketsu and shitsuke constitute the system. ... Eliminate unwanted items. ➢ Maintain the discipline at work place ➢ Improved safety

Description : Explain various configurations with sketches

Last Answer : Robot Configurations 1) Rectangular Configuration:- This uses three perpendicular slides to construct the x, y, z axes. By moving three slides relative to one another, the robot is capable of ... , which provides a substantial rigidity in the vertical direction for many essential tasks.  

Description : State types of mechanical joints used in robots. Explain any one with sketch.

Last Answer : [1] Rotational joint [2] Linear joint [3] Twisting joint [4] Orthogonal & [5] Revolving joint Rotational Joint: Rotational joint can also be represented as R - Joint. This type will allow the ... to the rotational axes. As like twisting joint, the output link spins about the input link. 

Description : Explain any one non tactile sensor used in robot

Last Answer : Non Tactile Sensor  [1] Vision Sensor: Robot vision is made possible by means of video camera, a sufficient light source and a computer programmed to process image data. The camera is mounted ... the input and the stored vocabulary word the robot performs some actions which correspond to the word.

Description : Explain the concept of lean manufacturing

Last Answer : Lean manufacturing or lean production, often simply "lean", is a systemic method for the elimination of waste (" Muda") within a manufacturing process. Lean manufacturing is a production practice that ... T obtained higher customer satisfaction 4) To reduce per unit cost 5) To control inventory 

Description : Explain cylindrical locator with neat sketch 

Last Answer : Cylindrical locators: - Cylindrical locators are very useful when finely finished holes are available for the positioning of components. It is used for locating components having drilled holes. The cylindrical ... jig s body around the locator is undercut to provide space for swarf clearance

Description : Define process planning. State the factors affecting process planning and explain it.

Last Answer : Definition of Process planning: Process planning can be defined as the systematic determination of the process by which a product is to be manufactured economically and competitively. Factors ... process engineer sufficient time to go details of each aspect to select most economical process.

Description : Define routing. Explain in short various steps in routing procedure.

Last Answer : Definition of routing: - Routing is defined as the decision to follow the path and sequence of operations to be performed on the work piece from one machine to another. Following steps are ... prepared. - Route sheet shows the sequence of operations, their department, machines and tool used.

Description : Explain spherical configuration with sketch.

Last Answer : Spherical configuration  Spherical Configuration: - It uses telescopic arm that can be raised or lowered about a horizontal pivot point. The pivot point is mounted on a rotating base and gives the ... joints provide the robot with the ability to move its arm within a spherical envelope.