PRIST UNIVERSITY

PRIST UNIVERSITY(Estd. u/s 3 of UGC Act, 1956)Vallam, Thanjavur -613403

B.Tech.(PT) Mechanical Engineering

QUESTION BANK

Course Details

Title:Process Planning And Cost Estimation

Regulations:2008 Regulation

(For Students admitted from June 2008 to June 2010)

Nature of the Course:Elective

Semester:VII

H.O.D.Staff-In-ChargeUnit I

Unit I

Part A1. Define Method study.2. Define the scope of work study.3. Define Productivity.4. Give any four symbols of Method study.5. What are the types of Process charts?6. Give any four therbligs.7. Define time study.8. Give the types of stop watches.9. Define the term Contingency allowance.10. Define the term Performance rating.

Part B1. Explain in detail about the work Measurement.2. Explain in detail about the work study.3. Explain in detail about Process Chart.4. Explain in detail about the principle of Motion Economy.5. Explain in detail the basic steps in time study.6. What are the different steps in method study? Explain them in detail.UNIT II

PART A1. Define the term Process Planning.2. What is the importance of process planning?3. List out any four responsibilities of a Process planning Engineer.4. What are the various factors affecting the Process Planning.5. What are the materials selection parameters?6. What is called cost optimal process?7. Give the approaches to Process planning.8. How will you calculate the process time?9. Define the term Bill of Materials.10. What is called as Route sheet?

PART B1. What is Process Planning? What are the activities associated with it? Explainthem in detail.2. Explain the technological framework of Process planning with help of a block diagram.3. What are the various informations required for Process Planning? Explain them in detail.4. What are the various responsibilities of a Process Planning Engineer? Explain them in detail.5. What are the various process planning activities? Explain them in detail.6. Explain the various Materials selection Parameters.

UNIT III

PART A1. What is cost estimating?2. State the objectives of estimating.3. Give the importance of cost estimating.4. Give the methods of cost estimating.5. What are the three possible estimating?6. Define the term costing.7. Give the methods of costing.8. What are the elements of cost?9. Give any four types of overhead expenses.10. Define the term Ladder Cost.

PART B1. Explain in detail about the data requirements for cost estimating.2. Explain in detail about the data sources.3. Explain in detail about the components of Job estimation.4. Explain in detail about cost estimating Procedure, with a neat sketch of the estimate form.5. Discuss in detail about the costing.6. Explain in detail about the importance of costing.Unit IV

PART A1. Give the benefits of cost estimation.2. Define the term parametric estimating.3. What is called Scrap?4. Define the terms Speed and Feed.5. How estimates are developed?6. What are the standard data required for Cost estimation.7. What is called group technology?8. Define term statistical estimating.9. What is called Helicopter transmission?10. Define the term Committee Estimating.

PART B1. What are the types of estimates? Explain in detail about the estimates and theirtypes.2. Discuss in detail about the methods of estimation.3. Explain in detail about the data requirements of sources of cost estimation.4. Explain in detail about budgeting and estimating.5. Discuss in detail about the materials available for developing an estimate with help of neat sketch.Unit V

Unit V

PART A1. Give the three elements of total cost.2. Differentiate between hot forging and cold forging.3. What are the different types of welding?4. What is called Overhead expenses?5. What are the different types of Welded Joints?6. What are Jigs and fixtures?7. What is Forging?8. Determine the procedure for problem solving.9. Give the figure and formula for Hexagon and Sectors.10. Give the figure for pyramids and cone.

PART B1. An isometric view of work piece is shown in figure. What will be the weight of thematerial required to produce it? The density of the material is 2.681 gm/cc. Find also the material cost if its rate is Rs.13.60 / Kg. All dimensions are in mm.

2. The dimensioned figure shows a Lathe centre. Estimate the weight and cost of material for the same, if the material weighs 7.868gm/cc and the material cost is Rs.11.45 / Kg.

3. Calculate the weight of the forged crank shaft shown in figure, if the steel weighs7.85 x 10-6 kg/mm3.

4. Estimate the weight of material required for manufacturing 220 pieces of shaft as shown in figure. The shafts are made up of MS which weighs 7.87gm/cm3. And costs Rs.4.25/Kg. Also calculate the material cost for 220 such shafts.

5. Determine the weight of 20 MS spindles. The shape and size of which are given in figure. Also calculate the weight of scrap, if they turned out from a MS rod of 30 mm dia. And facing and parting off allowances can be taken as 1.5 mm and 4mm respectively. Assume that 20mm length of rod is required for grip n the chuck. Take density of M.S. as 7.8gm/cc.

6. Calculate the number of rivets of dimensions shown in the figure, which can be manufactured from 6 kg of mild steel. Assume that there is no wastage of material. Take density of M.S as 7.87gm/cc.