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| author | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
| commit | 7bc77cb1ed33745c720952c92b3b2747c5cbf2df (patch) | |
| tree | 449d555969bfd7befe906877abab098c6e63a0e8 /3886/CH6/EX6.3 | |
| parent | d1e070fe2d77c8e7f6ba4b0c57b1b42e26349059 (diff) | |
| download | Scilab-TBC-Uploads-7bc77cb1ed33745c720952c92b3b2747c5cbf2df.tar.gz Scilab-TBC-Uploads-7bc77cb1ed33745c720952c92b3b2747c5cbf2df.tar.bz2 Scilab-TBC-Uploads-7bc77cb1ed33745c720952c92b3b2747c5cbf2df.zip | |
Diffstat (limited to '3886/CH6/EX6.3')
| -rw-r--r-- | 3886/CH6/EX6.3/6_3.sce | 23 | ||||
| -rw-r--r-- | 3886/CH6/EX6.3/6_3.txt | 8 |
2 files changed, 31 insertions, 0 deletions
diff --git a/3886/CH6/EX6.3/6_3.sce b/3886/CH6/EX6.3/6_3.sce new file mode 100644 index 000000000..38e8349f4 --- /dev/null +++ b/3886/CH6/EX6.3/6_3.sce @@ -0,0 +1,23 @@ +//maximum mechanical advantage and maximum efficiency
+//Effort
+P=150 //N
+W=7700 //N
+MA=W/P //mechanical advantage
+//If efficiency=60%
+eff=0.6
+VR=(MA)/(eff)
+//When an effort of 250 N raised a load of 13200 N
+P1=250 //N
+W1=13200 //N
+MA1=(W1)/(P1)
+eff1=MA1*100/VR //percent
+//assume law of machine as P=m*W+C
+//from first case 150=7700*m+C
+//from second case 250=13200*m+C
+//Solving we get
+m=100/5500
+//maximum mechanical advantage
+MAmax=1/(m)
+//maximum efficiency
+Effmax=100/(m*VR) //percent
+printf("\nMechanical advantage=%0.2f\nVelocity ratio=%0.2f\nEfficiency=%0.2f percent\nMaximum mechanical advantage=%0.2f\nMaxumum efficiency=%0.2f percent",MA,VR,eff1,MAmax,Effmax)
diff --git a/3886/CH6/EX6.3/6_3.txt b/3886/CH6/EX6.3/6_3.txt new file mode 100644 index 000000000..2cb8e6833 --- /dev/null +++ b/3886/CH6/EX6.3/6_3.txt @@ -0,0 +1,8 @@ +
+--> exec('E:\My program EM\6. Lifting machines\6.3.sce', -1)
+
+Mechanical advantage=51.33
+Velocity ratio=85.56
+Efficiency=61.71 percent
+Maximum mechanical advantage=55.00
+Maxumum efficiency=64.29 percent
\ No newline at end of file |