This Paper has 54 answerable questions with 1 answered.
I—P9(OMS)
Syllabus 2008 |
| Time Allowed : 3 Hours | Full Marks : 100 |
| The figures in the margin on the right side indicate full marks. |
| Section I : Operation Management |
| Answer Question No. 1 which is compulsory and any two from the rest, under Section I. |
| Marks |
| 1. | (a) | Examine each statement and indicate whether it is ‘ True ’ or ‘ False ’: | 1x5 | |
| | | (i) | MRP is a marketing technique. | | (0) |
| | | (ii) | FMS stands for ‘ Flexible Machine System ’. | | (0) |
| | | (iii) | Method Study should precede Work Measurement. | | (0) |
| | | (iv) | ‘ Z ’ chart is a chart used in Programme Control. | | (0) |
| | | (v) | EOQ formula does not consider storage cost. | | (0) |
| | (b) | Match the terms in Column I with the relevant terms in Column II: | I | II | | (A) | Feeding coal continuosuly into the
furnace in an Electric Power Station | (i) | Electromagnet | | (B) | Handling crates on Pallets within a factory | (ii) | Electric Arc Furnace | | (C) | Moving a heavy load above the Machine
on the shop floor in a workshop | (iii) | Gravity Chute | | (D) | Transporting fertilizer packed in bags to a
railway wagon/truck on the ground below | (iv) | Drilling Machine | | (E) | Making a small deep hole in block of metal | (v) | Plaining Machine | | (F) | Machining a large flat surface on metal | (vi) | E.O.T.Crane | | (G) | Melting steel for making castings | (vii) | Fork – lift Truck | | (H) | picking up bits of iron and steel in a
scrap yard | (viii) | Belt Conveyor |
| 0.5x8 | (0) |
| | (c) | For each part below, choose the most appropriate answer out of the four options given against each part: | 1x5 | |
| | | (i) | Ergonomics is another name of (a)
(b) | Chemical Engineering
Human Engineering | (c)
(d) | Mechanical Engineering
Electrical Engineering |
| | (0) |
| | | (ii) | ALDEP is a technique used in (a)
(b) | Production Planning
Resource Management | (c)
(d) | Plant Layout
Maintenance Management |
| | (0) |
| | | (iii) | The study of relationship between the load on hand and the capacity of the work centeres is known as (a)
(b) | Scheduling
Loading | (c)
(d) | Routing
Controlling |
| | (0) |
| | | (iv) | Buffer Stock is built to cater to (a)
(b) | Machine Breakdown
Import Substitution | (c)
(d) | Fluctuating Load
Diversification |
| | (0) |
| | | (v) | Independnt Float is (a)
(b) | Total Float — Head Slack
Earliest Start Time — Earliest Finish Time | (c)
(d) | Free Float — Total Float
None of these |
| | (0) |
| 2. | (a) | Manufacturing of a gunmetal bush requires operations on Lathe, Milling and Drilling machine tools. The operator efficiencies, standard times, and machine tool availabilities are as follows: Type of Machine
Tool | Operator Efficiency | Standard man – hours/
bush | Machine Tool
availability | Lathe
Milling
Drilling | 75%
80%
80% | 0.15
0.20
0.10 | 95%
75%
75% |
If the factory operates one shift of 8 hours for 6 days in a week, how many Lathe, Milling and Drilling machines will be required to produce 2000 bushes/week? What will be the percentage of spare capacity available in each type of machine tool? | 9 | (0) |
| | (b) | Expand the following: | 1x5 | |
| | | (i) | ASRS | | (0) |
| | | (ii) | VAM | | (0) |
| | | (iii) | SPT | | (0) |
| | | (iv) | AQL | | (0) |
| | | (v) | MTBF | | (0) |
| | (c) | A workshop has 25 nos. of identical machines. The failure pattern of the machine is given below: Elapsed time after
maintenance attention
(in month) | Probability of failure | 1
2
3
4
5
6 | 0.10
0.15
0.15
0.15
0.20
0.25 |
It costs Rs. 160 to attend a failed machine and rectify the same. Compute the yearly cost of servicing the broken down machines. | 4 | (0) |
| 3. | (a) | Two alternative set–ups, A and B are available for the manufacture of a component on a particular machine, where the operating cost per hour is Rs. 25/– | | Set – up A | Set – up B | Components/Set – up
Set – up cost per year
Production rate/hour | 20,000 pieces
Rs. 500
20 pieces | 30,000 pieces
Rs. 600
40pieces |
Find out the manufacturing cost/piece under each set–up. Which of these set–ups should be used for long range and economic production, assuming 3000 hours of working in a year? | 3+5 | (0) |
| | (b) | What are the four classes of Drilling machines? | 4 | (0) |
| | (c) | Mention the advantages of the following advancements in production technology: | 3+3 | (0) |
| 4. | (a) | An article is processed on three machines A,B and C as shown below: | Machine | Machine operation time
(minutes) | Preparation time
(min/day) | Cleaning time
(min/day) | | | Time | Processing | Total | | | A
B
C | 2
3
2 | 2.5
10
5 | 4.5
13
7 | 15
30
25 | 10
10
10 |
A study revealed that if the jigs for machines B and C were to be redesigned, loading and unloading times could be reduced to 2 minutes and 1 minute respectively: | (i) | Find the number of pieces produced per day (single shift of 8 hrs.) |
| (ii) | Costing has shown that unless production is increased by 20 per cent, the installation of new jigs would not be worthwhile. would you recommend redesign of jigs? |
| (iii) | If the number to be produced is large, suggest changes in present arrangement and estimate new production rate. |
| 3+3+3 | (0) |
| | (b) | What is the utility of a Single Purpose Machine Tool? Describe a Single Purpose Machine Tool designed for cutting Gears. What are Spur and Helical Gear? | 2+2+2 | (0) |
| | (c) | A manufacturing company has a product line cosisting of five work stations in series. The individual work station capacities are given. The actual output of the line is 540 units per shift, | Work station No. | 1 | 2 | 3 | 4 | 5 | | Capacity/shift | 700 | 650 | 700 | 650 | 600 |
Calculate (i) System capacity (ii) Efficiency of the production line. | 1+2 | (0) |
| Section II : Information Systems |
| Answer Question No. 5, which is compulsory and any two questions from the rest, under Section II. |
| 5. | (a) | Put an appropriate word in blank position: | 1x4 | |
| | | (i) | Intranet is an in–house version of _____________. | | (1) |
| | | (ii) | Peoplesoft is an __________ package. | | (0) |
| | | (iii) | Laser printer is a ____________ printer. | | (0) |
| | | (iv) | Half–duplex is a mode of data___________. | | (0) |
| | (b) | Expand the following acronyms: | 1x5 | |
| | | (i) | B2C; | | (0) |
| | | (ii) | EPROM; | | (0) |
| | | (iii) | MODEM; | | (0) |
| | | (iv) | RISC; | | (0) |
| | | (v) | GUI | | (0) |
| | (c) | Each statement below is either ‘ True ’ or ‘ False ’. Indicate the same in your answers: | 1x5 | |
| | | (i) | Random files are stored on magnetic tapes. | | (0) |
| | | (ii) | MICR is a device to read characters. | | (0) |
| | | (iii) | Operating system is an application software. | | (0) |
| | | (iv) | BPR is an exercise to follow ERP implementation. | | (0) |
| | | (v) | Normalisation is a process of organizing data in a data base. | | (0) |
| 6. | (a) | What are the types of File Organization with respect to the mode of access? Mention at least three advantages under each type of file organization. | 2+6 | (0) |
| | (b) | Narrate the concept and characteristics of a data base. | 1+3 | (0) |
| | (c) | (i) | What are the different models of DBMS?. | 2 | (0) |
| | | (ii) | What is the basic concept in the hierarchical Database? Mention main features of hierarchical database structure. | 1+3 | (0) |
| 7. | (a) | In a payroll system, the employee master file is being designed to have records of fixed length consisting of the following fields: | Field Name | Maximum Field Size | Employee Number
Employee Name
Designation
Date of Birth
Date of Joining
Section Code
Qualification
Training Codes
Scale of Pay | 6
35
10
6
6
3
20
10
10 |
The Employee Master has 2000 employee records presently. Once an employee leaves, his record is deleted.However, it is estimated that there may be fresh recruitment upto 15% of present strength in future. The file management software also requires an overhead of 20% for minimizing probabilities of collision and overflow conditions. Compute the total file space requirement after allowing for 10% contingency factor on total. | 6 | (0) |
| | (b) | What are the stages of the System Development Life Cycle? | 4 | (0) |
| | (c) | What are the points to be considered while designing a new source document? | 4 | (0) |
| | (d) | Match the items in Column I with those in Column II: | I | II | | (A) | ALU | (i) | Knowledge base | | (B) | Parallel run | (ii) | Winchester | | (C) | Expert System | (iii) | Programming language | | (D) | PASCAL | (iv) | Change–over | | (E) | Fixed Disk | (v) | CPU | | (F) | VA | (vi) | Processed data | | (G) | Transaction log | (vii) | Cost Control | | (H) | Information | (viii) | Audit trail |
| 0.5x8 | (0) |
| 8. | Write shore notes on any six of the following: | 3x6 | |
| | (a) | Reasons for Outsourcing Information System Function; | | (0) |
| | (b) | Steps involved in Data Warehousing; | | (0) |
| | (c) | HTTP and HTML; | | (0) |
| | (d) | Role of Security Administrator; | | (0) |
| | (e) | System adopted by SET; | | (0) |
| | (f) | OLAP; | | (0) |
| | (g) | AI; | | (0) |
| | (h) | Going Live. | | (0) |
