SUB: PLMH YEAR: IV, BRANCH: MECHANICAL ENGINEERING

Transcription

1 SUB: PLMH YEAR: IV, BRANCH: MECHANICAL ENGINEERING Sl. UNIT-5 1 Explain the importance of material handling 2 Explain the relationship of material handling to plant layout 3 Explain importance of plant locations Remember 4 State the disadvantages of concentration of industries in a few areas 5 How will u classify material handling devices give one example of each type 6 Write short notes on fork lift truck. 7 Explain material handling in process layout 8 Explain material handling in product layout. 9 Compare the product layout and process layout in material handling. 10 Describe the static layout and its advantages. 11 Write the limitations and applications of static layout. Remember 12 Write the history of material handling 13 Classify the material handling equipments. Remember 14 Write about the selection of material handlings with the help of neat diagram. 15 Name the various types of layouts and explain it. Remember 16 Describe the plant layout and objectives of the good plant layout. Remember

2 Sl. UNIT-6 1 Describe the different factors which are responsible to replace the equipment. 2 Why we need material handling equipments. Remember 3 What is meant by palletisation & containerization with one example. 4 What parameters are to be consider while selecting the material handling equipment? 5 Describe briefly about different methods of material handling Remember 6 Discuss the various steps involved in safe practice of lifting and moving materials 7 Explain the various elements of handling moment with neat sketch. 8 What are the different Categories of material handling equipment? Remember 9 Describe the brief description of types of cranes 10 Describe function oriented material handling systems in detail. Remember 11 What are the principles of material handling systems 12 What are the different types of material cranes used? Remember 13 Write a short note on jib crane 14 Write a short note on gantry crane 15 What are the specification of fork lift truck 16 Limitations and applications of material handling

3 Sl. UNIT-7 1 Write about maintenance of hoists cranes 2 Explain how operators can be trained for safety. 3 Discuss various cost considerations involved in materials handling. 4 Discuss the scope and activities of material handling department. 5 Describe the maintenance and typical scheduled plan of a conveyor system. 6 Explain the maintenance of conveyors. Remember 7 Explain the maintenance of industrial trucks. 8 Discuss the role of safety material handling systems 9 Enlist the different acts and rules of safety and health regulations in India 10 Discuss about the training programme for the safety of material handling employees. 11 What are the different accidents encountered by fork lift truck and explain their causes? 12 Explain the various various safety measure for over head operations for material handling. Remember 13 Explain how material handling is important for storage area. 14 Explain the advantages of belt conveyors. 15 Explain the limitations of belt conveyors. 16 Explain the importance of cranes.

4 Sl. UNIT-8 1 Explain in brief design of cranes. 2 Define the term ergonomics 3 Write the objectives of ergonomics. 4 What are the principles that are involved in ergonomics for designing in work stations. 5 write a short note on trucks. Remember 6 List out the miscellaneous equipments used in material handling system and explain any one of them. 7 Write a detail note on dumpers. 8 Explain about excavators Remember 9 Classify different types of excavators and explain hydraulic excavators. 10 Explain about cambered boom ship loader with applications 11 Write about the advantages and disadvantages of cambered boom ship loader Remember 12 Describe hopper with neat sketch 13 What are the applications of robot in material handling? Explain. Remember 14 Define and explain flow bins 15 Differentiate between mass flow bins and funnel flow bins. 16 Describe the hoists and explain the characteristics uses, advantages, disadvantages. Remember

5 SUB: PPC YEAR: IV, II sem BRANCH: MECHANICAL ENGINEERING Sl. UNIT-5 1 Define Routing and its significance. 2 State the objectives of routing. 3 Describe route sheets with a suitable example Remember 4 What is scheduling? What are its objectives? 5 Define Loading and how is it different from scheduling. 6 Write short notes on Bill of Materials. 7 How the route sheet is different from operation sheet. 8 What is route sheet? What is the information it contains? Explain it by drawing a route sheet. 9 Explain the routing procedure. 10 State the important factors that affecting routing procedure. 11 Discuss briefly about routing in job order, intermittent and continues production. 12 What are the reasons for scheduling? Explain how scheduling improves the process of production control significantly. Remember 13 Explain about the important components of routing sheets? Remember 14 Explain the role of bills of material with the help of block diagram. 15 Distinguish between the route card and route sheet, with an example. Remember 16 Distinguish between single level bill of materials and indented bill of materials, with an example for each type. Remember

6 Sl. UNIT-6 1 Discuss about the importance of scheduling policies. 2 List the standard scheduling methods. Remember 3 Explain standard scheduling policies with one example. 4 Explain the standard scheduling methods for job shop. 5 List out various scheduling techniques. Explain job shop scheduling. Remember 6 Explain any one scheduling method with an example. 7 Explain the flow shop scheduling. 8 Categorize various scheduling techniques and list significance of each method Remember briefly. 9 Write about standard scheduling policies in detail? 10 Compare and contrast different scheduling policies. Remember 11 At an electronics repair shop all items are first diagnosed by an expert technician. He estimates the amount of repair work required and assigns it to a second technician for completion. The second technician has five jobs awaiting work with the expected work time required and due date listed below Job Expected repair time Due date A B C D E Construct job sequences using the Critical ratio rule, and Slack Time Remaining rule and Compute the average flow time

7 12 List out various scheduling rules and Explain at least three of them Remember 13 A house painting contractor has five houses to paint. Following are the estimated times required to paint each house and due date for completion. House Estimated Time (days) Due date A B C D E Use the Shortest Processing Time rule to sequence the five jobs Compute average flow time and average tardiness per job using this sequence 14 David is an independent computer software consultant. After completing hismost recent project, he had five jobs awaiting completion. Following are theestimated work times required to complete each job and due dates requestedby customers. Job Processing time Due date(days from present) A B C 8 28 D E 6 31 Construct job sequences using the Shortest Processing Time rule, Earliest DueDate rule and Compute the average flow time. 15 How does scheduling in Job shops differ from High volume continuous systems? Explain in detail. 16 Explain the scheduling rules with their relative advantages and disadvantages.

8 Sl. UNIT-7 1 Define Aggregate planning 2 Explain the factors affecting the aggregate planning 3 What is line balancing? What are its objectives? Explain 4 Define the following terms Work Station, Cycle time, Total work content and precedence diagram. 5 Describe briefly the steps involved in balancing of an assembly line by Ranked Positional Weight method. 6 List out the various aggregate planning strategies. Remember 7 What is expediting and explain about the duties of expediter? 8 Explain various types of expediting procedures 9 Define the aggregate planning and list out various strategies and explain one in detail. 10 What is difference between an aggregate plan and a master production schedule? Remember 11 What is the meaning of Aggregate plan? What are the objectives of aggregate plans? What are the inputs and the nature of the outputs?

9 12 Describe any one quantitative technique used for Assembly line balancing. 13 The following list defines the precedence relationships and element times for a component: Element Processing time (min) Immediate predecessors ,5 3,5 3,7 6,9 The estimated cycle time is 1 min. What is the theoretical number of workstations required to minimize the balance the delay? Also find the practical number of work centers using the Ranked positional method. 14 A toy manufacturing company intends to produce 10,000 pieces of a particular toy per year. It has identified 10 work elements with the following precedence restrictions and duration Element Immediate precedence ,8 9 Duration C minutes a) Draw a precedence diagram for assembly of toys. b) Design an assembly line for a cycle time of 13 minutes. c) Calculate Line efficiency, balance delay, smoothness index. 15 An assembly line consists of 10 work elements whose times are as follows: Work element code A B C D E F G H I J Elemental time (minutes) The desired capacity is 120 units per day. The factory in two shifts of 8 hours each. Calculate: Maximum allowable cycle time to meet the desired capacity.theoretical (minimum) number of workstations. 16 Explain the chase planning, expediting and control aspects.

10 Sl. UNIT-8 1 Explain the activities of dispatcher. 2 Explain the reasons for existence of dispatching functions. 3 Define dispatching and its importance. 4 Define follow up and its procedure. 5 What are the differences between dispatching and expediting. Remember 6 What is dispatching? What is its significance? Enumerate its advantages in production control. 7 What is material follow up? What is the role of purchase department in material follow up? 8 Compare & contrast dispatching centralized control and dispatching Remember

11 decentralized control. MARRI LAXMAN REDDY 9 Define dispatching and write any four activities of dispatching. 10 Explain the use of computers in PPC. 11 Write down the activities of dispatcher. Remember 12 Describe briefly the applications of computers in PPC. 13 Explain about the types of follow up in detail? Remember 14 When do you prefer decentralized dispatching to centralized dispatching? Explain their features. 15 Name the common forms used for dispatching. What are their uses? 16 Describe advantages & disadvantages of dispatching jobs all at once and operation by operation. Remember

12 Sl. MARRI LAXMAN REDDY IV year II sem RES QUESTION BANK UNIT-5 1 How biomass conversion take place? 2 What is the difference between biomass and biogas? 3 What is meant by anaerobic digestion? 4 Name the various models of biogas plant 5 What is meant by wet fermentation and dry fermentation Remember 6 What are the factors that affect the size of the biogas plants? 7 Write the main applications of bio gas Remember 8 Explain the process photosynthesis? 9 What are the advantages and disadvantages of floating drum plant? 10 What are the main problems in straw fermentation? 11 what are the advantages and disadvantages of biological conversion of solar energy? 12 What are the potential applications of the gasifier? 13 How are biogas plants classified? 14 What is a community biogas plant? 15 How are gasifiers classified? 16 Write about IC Engines Operations and Economic aspects?

13 Sl. 1 Define a geothermal source 2 Classify geothermal sources UNIT-6 ing ing 3 What are the sub classification of hydrothermal convective systems 4 Describe a vapour dominated or dry steam field 5 What are the limitations of a flashed steam system? 6 What are the advantages of double flash system? 7 Describe a binary cycle system for liquid dominated system 8 Describe the principle of total flow concept 9 Describe the main types of turbines? 10 What are the advantages and disadvantages of geothermal energy forms? 11 What are the main applications of geothermal energy 12 What are the possible sources of geothermal pollution 13 Give a brief note on prospects of geothermal energy in context to india ing ing ing ing 14 Write Geothermal Sources Applications? 15 What are the material selections for geothermal power plant? 16 Explain briefly about Hydrothermal Resources?

14 Sl. UNIT-7 1 What are the basic principle of ocean thermal energy conversion? Remember 2 What are the main types of otec power plants? Describe their working 3 Describe the closed cycle OTEC system 4 Advantages of closed cycle over open cycle? 5 What are the difficulties in tidal power developments? 6 What are the advantages and limitations of wave energy conversion Remember 7 Write a short note on wave energy conversion machine 8 Write a short notes on small head hydropower development 9 What types of turbines is best suited for micro hydel plant 10 Describe the different types of turbines are in use for small scale hydroelectric plants 11 What are the advantages and limitations of small scale hydro electric power generation 12 What are the Advantages and Disadvantages of Wave Energy?

15 13 Explain Operation Methods of Utilization of Tidal Power Plant? 14 Components of Tidal Power Plant? 15 Explain about Energy and Power from the Waves? 16 What are the Wave Energy conversion Devices? Sl. UNIT-8 1 Write Short notes on Thermoelectric effects? ing 2 Write short notes on Materials for MHD Generator? ing 3 What you Mean by work Function of a metal? Remember 4 Write about Thermionic emission? ing 5 Write about Super Conductivity? ing 6 Write about Gas Conductivity? ing 7 Write Advantages of Open Cycle System ing 8 What are the Advantages of Closed cycle System ing 9 Compare the Open cycle and Closed Cycle System. 10 Describe an MHD closed cycle system. What are the main advantages and disadvantages? 11 Describe briefly a Thermoelectric power Generation? 12 What are the Energy Conservation Technologies. 13 Principles of Energy Conservation and Energy Audit. 14 Describe an MHD open cycle system. What are the main advantages and disadvantages? 15 How MHD Systems are classified? Describe them in brief. 16 What are the Important Factors are to be considered while selecting

16 materials for MHD generators?