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Operation Research Essay

840 words - 4 pages

Cases in Operation Management

Semester 4

PGDBA (Operations)

Page 1

Question-: 1

The “Quality Auto Works” is a manufacturer of auto parts. All the auto parts being
manufactured in the industry are required to be phosphated for surface protection.
Presently other small units are done this phosphated work.
Quality Auto Work is now thinking of installing its own phosphating plant and is
interested about knowing about following.
(A) Should the install new plant or continue the present practice of subcontracting?

...view middle of the document...

2452= 68,656/-
Labor cost
Benefit to labor
Power
Raw material
: 8000x12 =
: 96000x40/100 =
: 30,000x0.23x12 =
: 30,000x0.45x12 =
96,000/-
38,400/-
82,800/-
1, 62,000/-
Total cost of installing
=

Page 2
4, 47,856/-

According to above calculation the firm should install its own phosphating plant; it
will be beneficiary for it.
Question-2

Nitneel Industries P Ltd is a firm dealing in different types of operations the firm in
interested in knowing about the following.

A) Estimate the requirement of power hacksaw sand manpower for the above
mentioned production target. If presently company has four power hacksaws,
establish additional requirement.

For finding out the requirement of power hacksaws and manpower according to
mentioned production target we have to make some calculation, which is based on the
following assumption.

a) The labor efficiency against output standards is @80%.
b) The plant utilization against output standard is @75%
c) Hour available per month is 200 hrs(25x8hrs)

Part Name/Part No Std Avg. Usage Runnin Capacit No of

No of
time
per
piece
Quant/mont
h
hr in
month
g hrs
80%
y hrs
75%
Fitter
reqd
hacksaw
Reqd
1 Agro Control Shaft
(50.16252.0)
2 Serration Shaft
(0.16288.0)
8.46 1250

8.46 1250
176.25 220.3

176.25 220.3
293.7

293.7
1.46 1.1

1.46 1.1
3 Oil Pump Gear
(2523.1810.5401/5402)
5.4
4000
360
450
600
3
2.25
4 Helical Oil Pump
Gear(312.181.0308.51)
5 Break
shaft(2573.4230.7904)
6 Hub(640393)
7 Hex nuts(50.52
5001/A
4.8

5.4

9.6
...

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