olson1312
15.04.2021 •
Mathematics
C. An engine producing a (brake) horse power output of 10,000 kw for an hour using
2,000 kg of fuel per hour and having a L.C.V of 42,000 kj/kg.
Information: Heat converted into useful work per hour = NKwh; where N the power
output in KW=3,600nkj. Heat supplied = MxK.
Calculate the brake thermal efficiency of the engine.
Doc. No.: EXM/F/03
Page No.: 2/5
Issue No.: 1
Last Update: 15/04/15
Revision No.: 1.1
Date: 12/04/06
Author: EC
Approved: Provost
(10marks)
Initials: AZB
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Ответ:
arc length =11
Step-by-step explanation:
To find the arc length , we take pi *2 r and multiply by the fraction of the circle
The circumference is 12 which is equal to 2 * pi *r
arc length = 12 * 330/360
arc length = 12 * 11/12
arc length =11