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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3472/CH42/EX42.8 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
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| -rw-r--r-- | 3472/CH42/EX42.8/Example42_8.sce | 30 |
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diff --git a/3472/CH42/EX42.8/Example42_8.sce b/3472/CH42/EX42.8/Example42_8.sce new file mode 100644 index 000000000..f2f4f675b --- /dev/null +++ b/3472/CH42/EX42.8/Example42_8.sce @@ -0,0 +1,30 @@ +// A Texbook on POWER SYSTEM ENGINEERING
+// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar
+// DHANPAT RAI & Co.
+// SECOND EDITION
+
+// PART IV : UTILIZATION AND TRACTION
+// CHAPTER 4: ILLUMINATION
+
+// EXAMPLE : 4.8 :
+// Page number 758
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+b = 15.25 // Breadth of workshop(m)
+l = 36.6 // Length of workshop(m)
+no = 20.0 // Number of lamps
+P = 500.0 // Power of each lamp(W)
+n = 15.0 // Luminous efficiency of each lamp(lumens/watt)
+df = 0.7 // Depreciation factor
+cou = 0.5 // Co-efficient of utilization
+
+// Calculations
+lumen_lamp = no*P*n // Lamp lumens
+lumen_plane = lumen_lamp*df*cou // Lumens on the working plane
+I = lumen_plane/(l*b) // Illumination(lm/sq.m)
+
+// Results
+disp("PART IV - EXAMPLE : 4.8 : SOLUTION :-")
+printf("\nIllumination on the working plane = %.1f lm per sq.m\n", I)
+printf("\nNOTE: ERROR: The breadth should be 15.25m but mentioned as 5.25m in textbook statement")
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