CWA ICWA question papers Inter Group II
Operations Management and Information System December 2008
This Paper has 52 answerable questions with 27 answered.
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 2 questions from the rest, under Section I.
1. (a) For each part below, choose the most appropriate one and write its number only in the answer sheet:
Match column (1) with column (2)
Column (1) Column (2)
(i) Castings A. Gravity Chute
(ii) Pig Iron B. Rotary Kiln
(iii) Steel C. Foundry
(iv) Rails D. Blast furnace
(v) Cement E. Open Hearth Furnace
(vi) Material Handling F. Rolling Mills
(b) Expand the following abbreviations: 1×3
(i) ASRS (1)
(ii) GERT (1)
(iii) AQL (1)
(c) Put an appropriate word or two in blank position: 1×5
(i) _________ uses algebraic procedure to solve any problem, which satisfies the test of linearity and certainty. (1)
(ii) Under preventive maintenance “(hours worked for maintenance)/(Scheduled hours) x 100 = _________ “. (1)
(iii) Trend values of all years of the series may be obtained advantageously using the _________ . (1)
(iv) _________ is a process that bakes on a white, brittle protection finish. (1)
(v) _________ is the degree to which a firm’s own production system handles the entire supply chain starting from procurement of raw materials to distribution of finished goods. (1)
2. (a) A and M are two fierce competitors. N, a leading manufacturer of mobile phones approaches them separately to share what they can offer for outsourcing the manufacture of mobile phone components on a standardised machine whose operating cost is Rs. 40/– per hour. N requests you to evaluate and advice based on following offers made by A and M as to which of two should be chosen?
Company A Company M
Production Rate/hour 20 pieces 30 pieces
Mobile components / set up 8000 pieces 6000 pieces
Set up Costs Rs. 600 Rs. 3000
(b) What requirements need to be fulfilled in order to ensure that the full benefits of effective maintenance are achieved? 4 (0)
(c) You as a work study engineer carry out the work sampling study. The following observations were made for a machine shop:
Total number of observations – 2000, No working activities – 500.
Ratio between manual to machine element – 3 : 1, Average rating factor – 110%.
Total number of jobs produced during study – 500 units.
Rest allowance – 10%,
Calculate the standard time for the job.
(d) Mr. X is consideraing an interchange of departments B and C in the present layout. The present layout and the handling frequencies between the departments are given. What would be the effect of interchange assuming that the departments are of the same size? Also assume that the material handling cost per unit length travel between departments is same.
A C E
B D F
From/To A B C D E F
A – 20 70 0 40 0
B – – 50 200 0 10
C – – – 30 120 40
D – – – – 50 220
E – – – – – 30
F – – – – – –
3. (a) A key electric component lasts for maximum of 3 weeks. The chances of its failing at the end of first week is 0.1 and the chance of its falling at the end of second week is 0.3. The cost per component for individual replacement is Rs. 5 and cost of component for bulk replacement is Rs. 3. What is the optimal replacement period assuming there are 100 components initially? 4 (0)
(b) The following is the demand for Product A in 5 towns:
Population (in lacs) : X 9 5 8 5 3
Demand : Y 12 20 15 10 5
Estimate the demand for product A for a town with a population of 10 lacs.
(c) Company A wants to made large giant trucks called LARJO. Company A now requests you to list out the plant layout principles it should consider before taking any decision? 4 (0)
(d) (i) Briefly enlist and explain the rules to be enforced for proper control of maintenance work. 3 (0)
(ii) List out the internal factors, which influence the choice of technology in an organisation? 3 (0)
4. (a) Load Shedding Power Utility Company has been the task of power supply by the State. The Company has noticed that the system has been experiencing the following number of failures for months over the past one year.
Number of failures 0 1 2 3
Number of months this occurred 2 3 3 4
Each breakdown costs an average of Rs. 10,000/– Preventive maintenance can be carried out for a cost of Rs. 3,000/– to limit the failures to an average of one per month. The Company seeks your advice on which policy is most suitable for adoption.
(b) The fixed cost for the production of a particular item is Rs. 200 per month. Its variable cost being Rs. 3 per unit and its sale price being Rs. 7 per unit, determine its break–even volume. What would be the profit if 2,000 such units were sold in a month? How many such units should be sold to earn a profit of Rs. 3,000 per month? 5 (0)
(c) A shaft 1,200 mm in length is being machined on a lathe. If the spindle rotates 600 r.p.m. and the feed is 0.25 mm per revolution, how long will it take the cutter to pass down the entire length of the shaft? 3 (0)
(d) A workshop has 30 nos. of identical machines. From the failure pattern of the machines it is calculated that the expected time before failure is 3 months. It costs Rs. 200 to attend a failed machine and rectify the same. Compute the yearly cost of servicing the broken down machines. 2 (0)
(e) Explain and briefly explain the following in the context of technology used to enhance production. 2×2
(i) AGV, (0)
(ii) AIS (0)
Section II : Information Systems
Answer Question No. 5, which is compulsory and any 2 questions from the rest, under Section II.
5. (a) Put an appropriate word or two in blank position: 1×5
(i) Oracle is based on a concept of _________ Technology; (1)
(ii) _________ is a mechanism of defining user profile based on physical parameters and behaviour; (1)
(iii) The advantages of fast communication through internet technology has opened new dimension for _________ of Commercial jobs and India has been taking full advantage of the same due to its location and English language skills; (1)
(iv) _________ basically sends a mail to the e–mail address of the receiver; (1)
(v) _________ System is a software that controls the hardware devices, software, Communication media and channels. (1)
(b) Each statement below is either True or False. Indicate the same in your answers: 1×5
(i) Virtual memory is a provision of primary storage which acts as secondary memory; (1)
(ii) Readymade software is one, which meets the full–customised requirements of a specific organisation; (1)
(iii) In Multiprogramming, one CPU processes a number of programs by time–sharing technique; (1)
(iv) Microwave transmission consists of low frequency radio transmission; (1)
(v) Inkjet and Laser Printers are examples of Impact Printers. (1)
(c) Explain the following abbreviations: 1×4
(i) ORDBMS; (1)
(ii) OLAP; (1)
(iii) EEPROM; (1)
(iv) TCP/IP. (1)
6. (a) PTC a large manufacturer of agro–based products is in the process of evaluation to go in for an ERP package for managing its entire Financial, Supply Chain Management, Manufacturing, Procurement, Inventory, and Sales etc, and requests you to list out the common criteria it should consider before selection of a package. 4 (0)
(b) Explain peer–to–peer architecture and list out its benefits? 5 (0)
(c) Name common modules of an ERP Package and a few important sub–systems under each module. 5 (0)
(d) (i) Name any two models of DBMS; 2 (0)
(ii) What does one mean by “Going Live”. 2 (0)
7. (a) List the nature of preparatory work to be undertaken before a decision on outsourcing of information system services can be taken? 4 (0)
(b) What is Access Control? What are the checks one needs to ensure before executing a system of access control? 4 (0)
(c) Depending on the level of management, different functional areas will require various types of MIS reports. Keeping this in view, you are required to list out kind of reports under the following categories:
(iii) Top level (Strategic) Reports required for Production Management;
Middle Level (Tactical) Reports for Production Management;
Operational Level (Operational) Reports for Sales Management.
(d) Q. File and Smile Online asks you to draw a flow chart for calculation of income tax as per slabs prescribed which are as below:
Salary in currency limit
Up to 1,50,000
1,50,001 to 3,00,000
3,00,001 to 5,00,000
5,00,001 and above Rate %
8. (a) One of the important factors for the success for MIS is the quality of software. List out the criteria, which the software must fulfil for the basis for selection apart from meeting the user specific functional specifications? 4 (0)
(b) What are the characteristics of a database? 4 (0)
(c) List the salient features of a WAN? 4 (1)
(d) Fill up the following missing blocks which form part of the system development team in a System Development Life cycle. Write missing answer against Serial Number only in the answer sheet;
Sl. No Step Person Responsible Responsibility
1. System proposal ? Study requirement and prepare proposal
for clearance by management
2. Systems Implementation Programmer and
Systems Analyst ?
3. ? Programmers To develop programs according to
systems specifications and testing
(e) Name three popular ERP packages. 3 (1)