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The motor shown in Fig. 1 supplies power P (= 600S kW) at 180 rpm through solid steel motor shaft GF (having a diameter of 200S mm) to the gear F. Gears A, B, C, D and E supply powers to five machines. The torques delivered by gear B, gear C and gear E to the machines are 30%, 40% and 10%, respectively of the torque delivered to gear D from gear F. Shaft ABCDE is also made of steel (having modulus of rigidity G 80 GPa). The circular shaft part AB is hollow with an outside diameter of 200S mm and a thickness of 40S mm. The solid rectangular shaft BC has width (= 100S mm) and depth (= 200S mm). The circular shaft part CD is solid having a diameter of 200S mm. Hollow thin- walled rectangular shaft part DE has a width, depth and thickness of 100S mm, 200S mm and 2S mm, respectively. The diameters of gears F and D are 450S mm and 300S mm, respectively. Gear B 100S x 200S mm with 25 mm Diameter: 200S mm 25 m + 25 m Gear D Circular hollow 25 m -thickness Gear A steel shaft Bearing Gear E 200S mm outer Solid circular dia with 40S mm Gear C- steel shaft Thin-walled hollow rectangular steel shaft thickness Solid rectangular steel shaft Afotor Gear F Solid cirrcular G steel shaft 35 m 100S x 200S mm 35 m S= serial number of student For example: 3S = 3 times S Diameter. 200s mm Fig. 1 Find the torque delivered by the motor and determine the friction force between gears F and D.

The motor shown in Fig. 1 supplies power P (= 600S kW) at 180 rpm through solid steel motor shaft GF (having a diameter of 200S mm) to the gear F. Gears A, B, C, D and E supply powers to five machines. The torques delivered by gear B, gear C and gear E to the machines are 30%, 40% and 10%, respectively of the torque delivered to gear D from gear F. Shaft ABCDE is also made of steel (having modulus of rigidity G 80 GPa). The circular shaft part AB is hollow with an outside diameter of 200S mm and a thickness of 40S mm. The solid rectangular shaft BC has width (= 100S mm) and depth (= 200S mm). The circular shaft part CD is solid having a diameter of 200S mm. Hollow thin- walled rectangular shaft part DE has a width, depth and thickness of 100S mm, 200S mm and 2S mm, respectively. The diameters of gears F and D are 450S mm and 300S mm, respectively. Gear B 100S x 200S mm with 25 mm Diameter: 200S mm 25 m + 25 m Gear D Circular hollow 25 m -thickness Gear A steel shaft Bearing Gear E 200S mm outer Solid circular dia with 40S mm Gear C- steel shaft Thin-walled hollow rectangular steel shaft thickness Solid rectangular steel shaft Afotor Gear F Solid cirrcular G steel shaft 35 m 100S x 200S mm 35 m S= serial number of student For example: 3S = 3 times S Diameter. 200s mm Fig. 1 Find the torque delivered by the motor and determine the friction force between gears F and D.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Question#01 (Serial number=26.2) Please provide justified answer for all three sub parts asap to get a upvote
The motor shown in Fig. 1 supplies power P (= 600S kW) at 180 rpm through solid steel motor shaft GF (having a diameter of 200S mm) to the gear F. Gears A, B, C, D and E supply powers to five machines. The torques delivered by gear B, gear C and gear E to the machines are 30%, 40% and 10%, respectively of the torque delivered to gear D from gear F. Shaft ABCDE is also made of steel (having modulus of rigidity G = 80 GPa). The circular shaft part AB is hollow with an outside diameter of 200S mm and a thickness of 40S mm. The solid rectangular shaft BC has width (= 100S mm) and depth (= 200S mm). The circular shaft part CD is solid having a diameter of 200S mm. Hollow thin- walled rectangular shaft part DE has a width, depth and thickness of 100S mm, 200S mm and 2S mm, respectively. The diameters of gears F and D are 450S mm and 300S mm, respectively. Gear B 100S x 200S mm with 2S mm thickness Diameter: 200SS mm 25 m Gear D 25 m 25 m Circular hollow steel shaft Gear A Bearing Gear E Solid circular 200S mm outer dia with 40S mm Gear C- steel shaft Thin-walled hollow rectangular steel shaft thickness Solid rectangular Afotor steel shaft Gear F Solid cirrcular steel shaft 35 m 100S x 200S mm 35 m S = serial number of student For example: 3S = 3 times S Diameter: 200S mm Fig. 1 Find the torque delivered by the motor and determine the friction force between gears F and D. CS Scanned with CamScanner
Transcribed Image Text:The motor shown in Fig. 1 supplies power P (= 600S kW) at 180 rpm through solid steel motor shaft GF (having a diameter of 200S mm) to the gear F. Gears A, B, C, D and E supply powers to five machines. The torques delivered by gear B, gear C and gear E to the machines are 30%, 40% and 10%, respectively of the torque delivered to gear D from gear F. Shaft ABCDE is also made of steel (having modulus of rigidity G = 80 GPa). The circular shaft part AB is hollow with an outside diameter of 200S mm and a thickness of 40S mm. The solid rectangular shaft BC has width (= 100S mm) and depth (= 200S mm). The circular shaft part CD is solid having a diameter of 200S mm. Hollow thin- walled rectangular shaft part DE has a width, depth and thickness of 100S mm, 200S mm and 2S mm, respectively. The diameters of gears F and D are 450S mm and 300S mm, respectively. Gear B 100S x 200S mm with 2S mm thickness Diameter: 200SS mm 25 m Gear D 25 m 25 m Circular hollow steel shaft Gear A Bearing Gear E Solid circular 200S mm outer dia with 40S mm Gear C- steel shaft Thin-walled hollow rectangular steel shaft thickness Solid rectangular Afotor steel shaft Gear F Solid cirrcular steel shaft 35 m 100S x 200S mm 35 m S = serial number of student For example: 3S = 3 times S Diameter: 200S mm Fig. 1 Find the torque delivered by the motor and determine the friction force between gears F and D. CS Scanned with CamScanner
Gear A steel shaft Gear D Bearing Gear E 200S mm outer Solid circular dia with 40S mm Gear C-E! steel shaft Thin-walled hollow rectangular steel shaft thickness Solid rectangular Afotor steel shaft Gear F Solid cirrcular G steel shaft 35 m - 100S x 200S mm 35 m S= serial number of student For example: 3S = 3 times S Diameter: 200S mm Fig. 1 Find the torque delivered by the motor and determine the friction force between gears F and D. Draw the torque diagram of the whole shaft system. Determine the torsional shearing stresses in shaft GF and various parts of shaft ABCD. Determine the rotation of gear A relative to point G. What would be the length of the shaft AB if the rotation of gear A relative to gear G is limited to 0.015 radian? Determine the torsional shear stress and shear flow in thin-walled rectangular shaft DE as well as rotation of point E with respect to D. If the shear strength of the steel is 350 MPa, will the shaft DE be safe? If the gear D is jammed, what will be its implications on stress and rotation of the shaft DE? A semi-circular groove of radius (= 5% of the shaft diameter) is introduced in the motor shaft FG after removing a thickness (= 10% of the shaft diameter) from the surface. Find the % change in the developed torsional shear stress due to introduction of the groove. lof 2 CS Scanned with CamScanner n000001aeas.רוח
Transcribed Image Text:Gear A steel shaft Gear D Bearing Gear E 200S mm outer Solid circular dia with 40S mm Gear C-E! steel shaft Thin-walled hollow rectangular steel shaft thickness Solid rectangular Afotor steel shaft Gear F Solid cirrcular G steel shaft 35 m - 100S x 200S mm 35 m S= serial number of student For example: 3S = 3 times S Diameter: 200S mm Fig. 1 Find the torque delivered by the motor and determine the friction force between gears F and D. Draw the torque diagram of the whole shaft system. Determine the torsional shearing stresses in shaft GF and various parts of shaft ABCD. Determine the rotation of gear A relative to point G. What would be the length of the shaft AB if the rotation of gear A relative to gear G is limited to 0.015 radian? Determine the torsional shear stress and shear flow in thin-walled rectangular shaft DE as well as rotation of point E with respect to D. If the shear strength of the steel is 350 MPa, will the shaft DE be safe? If the gear D is jammed, what will be its implications on stress and rotation of the shaft DE? A semi-circular groove of radius (= 5% of the shaft diameter) is introduced in the motor shaft FG after removing a thickness (= 10% of the shaft diameter) from the surface. Find the % change in the developed torsional shear stress due to introduction of the groove. lof 2 CS Scanned with CamScanner n000001aeas.רוח
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