Recent questions tagged production-engineering-and-robotics

Description : From which of the following is robot programming language. (A) VAL (B) AML (C) ABD (D) Both (A) & (B)

Last Answer : D

Description : ____ grippers are used to transfer ferrous material. (A) Magnetic grippers (B) Mechanical grippers (C) Adhesive grippers (D) Vacuum cup grippers

Last Answer : A

Description : ____ grippers are used to pick up light weight materials such as paper,cloth etc. (A) Mechanical grippers (B) Adhesive grippers (C) Vacuum cup grippers (D) Magnetic grippers

Last Answer : B

Description : From which of the following is the type of robot. (A) Point to point robots (B) Continue path robot (C) Jointed arm robots (D) All of the above

Last Answer : D

Description : Grippers are used to_____. (A) Hold the objects (B) Sense the objects (C) Move the objects (D) Both (A) & (C)

Last Answer : D

Description : The capacity of robot to carry load is known as_____. (A) Load carrying capacity (B) Work envelope (C) Maximum reach (D) None of the above

Last Answer : A

Description : The capacity of robot to carry load is known as_____. (A) Load carrying capacity (B) Work envelope (C) Maximum reach (D) None of the above

Last Answer : C

Description : The speed at which robot is capable of manipulating its end effector is known as the____. (A) Velocity of robot (B) Maximum reach (C) Speed of movement (D) Load carrying capacity

Last Answer : C

Description : Which is also known as work volume of robot. (A) Work envelope (B) Speed of movement(C) Load carrying capacity (D) Precision of movement

Last Answer : A

Description : From which of the following is benefit of robot. (A) Variety of task (B) Computer control (C) Repetitive task (D) All of the above

Last Answer : D

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 : What is end effector? Give its classification 

Last Answer : In robotics, an end effector is a device or tool that's connected to the end of a robot arm where the hand would be. The end effector is the part of the robot that interacts with the ... designed. Classification:- i) Mechanical clamping ii) Magnetic clamping iii) Vocum (suction) gripping

Description : How ‘5s’ can be used as inventory reduction technique? 

Last Answer : By applying 5S in industry to systematically results- Total organization, cleanliness and standardization in work piece. Well organized workplace. More efficient workplace. More ... of waste & making cleanliness  4. SEIKETSU means standardizing 5. SHITSUKE means self discipline 

Description : What allowances are considered while calculating standard time? 

Last Answer : following types of allowances are considered while calculating standard time. 1) Relaxation allowance a) Personal need allowance b) Fatigue allowance i) Basic fatigue allowance ii) Variable ... 2) Contingency allowance 3) Special allowance 4) Process allowance 5) Interference allowance

Description : What is group technology? Give its applications.

Last Answer : Group technology is based on the general principle that many problems are similar and by grouping similar problems single solution can be found to a set of problems thus saving time and efforts. ... is used for manufacturing in automobile industry, fast food chains, doctors and dentists etc.  

Description : State the advantages and disadvantages of combined operations. 

Last Answer : combined operation:- if the number of operations are combined in one setting it is possible to reduce the production time and the operations can be performed with more accuracy. Advantages of ... More costly set up 3) Trained operators are necessary 4) Sometimes special machines are needed 

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 : State advantages and disadvantages of ERP System. 

Last Answer : Advantages of ERP System: [1] Improved efficiency across business due to timely availability of information. [2] Better decision making owing to information integration. [3] Reduced inventory costs due ... [9] Lack of support from the ERP vendor, consultancy firm or the hardware vendor.

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 : State the functions of production planning.

Last Answer : Function of Production Planning: Production planning is the determination, acquisition and arrangement of all facilities necessary for future production of products. It performs following functions; [1] To ... ; D. [4] To efficiently utilize the available resources and plant facilities.

Description : Give classification of robot sensor. 

Last Answer : Classification of Robot Sensor: Robot Sensors senses and capability includes vision and hand eye coordination, touch, hearing, sensors will divided into the following categories.  [1] Vision Sensor: ... and the stored vocabulary word the robot performs some actions which correspond to the word. 

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 : 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 : 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 : State the various stages at which inspection should be planned. 

Last Answer : Stages of inspection: 1. Inspection of incoming materials, raw materials or received materials including bought out items. 2. In process inspection: It includes following stages; a. ... on completed assemblies under conditions similar to field conditions.  3. Inspection of finished goods.

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 : What is the salient feature of industrial policy as regards to backward areas?

Last Answer : Salient features of industrial policy:  1. Industrial extension services through small industries service institute and other organizations. 2. Factory space in industrial estate through cooperative and ... purchases. 9. Reservation of product for exclusive manufacture in the small-scale sector.

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 : Define scheduling. What are various steps taken to control the production scheduled.

Last Answer : Scheduling: It is the assignment of work to the facility with the specification of time. Scheduling is the time phase of loading specifying starting and end time for a particular work to be done. ... is impossible to perform according to plan, then it is necessary to re-plan the whole activities. 

Description : State the benefits of productivity to management and workers.

Last Answer : Benefits to management  a. Higher productivity earns good reputation of the firm. b. Ensures stability of the firm. c. Results in more profit. d. Result in increased sales and provide opportunity ... c. Job satisfaction and job security. d. Standard of living of worker is improved.

Description : List down the different types of production system in industry and give practical example of each type of production system.

Last Answer : Types of Production system.  1. Intermittent production a. Job order production system: Examples - Repair shops, fabricators, Special purpose machine manufacturer industries, Civil works etc. ... production: Examples - Sugar industry, Steel industry, Cement industry, Paper industry etc.

Description : What are the various tools of productivity? How productivity can be increased?

Last Answer : Tools of productivity:  1. Work study- The technique of method study and work measurement employed to ensure the best possible use of human and material resources in carrying out the ... selection of material handling equipment. 7. By designing a product with proper tolerance and specification.

Description : Enlist the various functions of PPC. Describe: (i) Scheduling (ii) Routing in details.

Last Answer : Functions of PPC: Function related to material selection. Function related to selection of method. Function related to selection of machines and equipment. Routing. * Estimating. Loading ... of operation, machine used, tools and gauges used and standard time for any particular operation.

Description : Describe cylindrical body and arm assembly robot with neat sketch.

Last Answer : Cylindrical body robot: In the cylindrical configuration, robots have one rotatory (R) joint at the base and linear (L) joints succeed to connect the links. The space in which this robot ... in horizontal direction for vertical insertion tasks. It is basically used for the assembly purpose.

Description : Describe pull type of JIT system with an example. 

Last Answer : 1] 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 ... less complicated Examples: Custom Tailored Clothing, Special Purpose Machinery and product made to customer specifications

Description : Enlist any four basic components used in robotics systems also write their functions.

Last Answer : Basic components used in robotics system with their functions: 1. Arm: The arm is the part of the robot that positions the end effectors and sensors to do their pre-programmed task. 2. End-effectors ... 6. Drive: The drive is the engine or motor that moves the links into their designated positions.

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 : Explain the design principles of plant layout.

Last 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 ... should be utilized in an optimum manner so as to result in minimum initial capital investment.

Description : What are the factors to be considered to determine stages of inspection during process planning?

Last Answer : Factors to be considered to determine stages of Inspection during Process Planning: 1. Type of Production System 2. Type of Facility Layout 3. Type (Nature) of Product/Components 4. ... /Equipments used 5. Application of the Product/Components etc. 6. Strength/characteristics of the product

Description : Write any one application for each of following material handling equipments: (i) Bucket Conveyors (ii) Fork Lift Trucks (iii) Jib Crane (iv) Gravity Chutes

Last Answer : Applications of MH Equipments:

Description : Prepare operation process sheet and decide sequence of operation for the component shown in Figure No. 1. Assume suitable material and cutting conditions.

Last Answer : Operation Sheet with correct sequence of operations for the above given component by assuming suitable material and cutting conditions is as shown in below table;

Description : State the information required to do process planning. What is working drawing?

Last Answer : Information required to do process planning: [1] Assembly and Part drawings and Bill of Materials [2] Technical Details of Machine/Equipment to be used [3] Standard Times for operation ... their functional positions or as an exploded view where we relate the parts to their functional positions.

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 : 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.