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What s de answer for this question : Three independent
mechanisms A, B and C have been incorporated for power
saving in a plant producing respectively 30%, 40% and 10%
efficiency. Assuming that they operate independently, what
is the net power efficiency achieved.

(a) 62.2% (b) 68% (c) 61% (d) 64% (e) 56%

Answers were Sorted based on User's Feedback



What s de answer for this question : Three independent mechanisms A, B and C have been incorporated..

Answer / uday

check out dis
30%,40%,10% of the whole power supply is saved when done individually.
so when combined together we get the following expression
.3+.4(1-.3)+.1(1-.4)(1-.3)
=.622
that is 62.6%

Is This Answer Correct ?    11 Yes 3 No

What s de answer for this question : Three independent mechanisms A, B and C have been incorporated..

Answer / krishna

61%

Is This Answer Correct ?    5 Yes 2 No

What s de answer for this question : Three independent mechanisms A, B and C have been incorporated..

Answer / uday

in the above solution final answer is 62.2% not 62.6%,just a typing mistake

Is This Answer Correct ?    5 Yes 2 No

What s de answer for this question : Three independent mechanisms A, B and C have been incorporated..

Answer / ashok

26 %

Is This Answer Correct ?    1 Yes 0 No

What s de answer for this question : Three independent mechanisms A, B and C have been incorporated..

Answer / wareagle

The question says "Assuming that they operate independently"
If they are operating one at a time how can you get your
answer?
Answers 1,2 and 3 are wrong.

Is This Answer Correct ?    0 Yes 1 No

Post New Answer

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