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A water chillier with a capacity of 30 TR cools 20 m3/hr. water entering at 12oC what is the temp. of water leaving the chillier.
A reversible engine has an ideal thermal efficiency of 30%. If this engine is reversed and used as a refrigerator then the COP will be.
. A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper
significance of operation research in modern management
Solve the following Linear Programming Problem using Simple method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
Sources of Hypothesis Hypothesis may be developed from various sources. Some of the important sources are the followings: 1. A Hypothesis Arises from Intuition
how did operation research evolve
Preparation of visual Aids ,Handouts and Feedback Forms It is always better to prepare visual aids much in advance of the presentation. Leaving them for the last mo
what are the objectives of operation research?
meaning of critical activity ..
Stratified Sample Size The sampling study has depended much on the stratified sample to reduce the sampling error, samples size may have a number of strata or cluster
North West Corner Rule for Initial Solution: Now by applying North West corner rule we can initial solution. According to this rule without regard to cost consideration the
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