Situation 24: The shaft is made of A992 steel (G = 75 GPa) and has an allowable shear stress of taow = 75 MPa and the allowable angle of twist of gear A relative to C is 0.03 rad. When the shaft is rotating at 300 rpm, the motor at C supplies 8 kW of power, while gears A and B withdraw 5 kW and 3 kW, respectively. 300 mm 300 mm B 72. Determine the torque in motor C. a. 254.7 N-m b. 159.2 N-m 73. Determine the torque in gear A. a. 254.7 N-m b. 159.2 N-m 74. Determine the required diameter of the shaft. a. 24 mm b. 26 mm 245.7 N-m C. d. 195.2 N-m с. 245.7 N-m d. 195.2 N-m C. d. 28 mm 30 mm

Situation 24: The shaft is made of A992 steel (G = 75 GPa) and has an allowable shear stress of taow = 75 MPa and the allowable angle of twist of gear A relative to C is 0.03 rad. When the shaft is rotating at 300 rpm, the motor at C supplies 8 kW of power, while gears A and B withdraw 5 kW and 3 kW, respectively. 300 mm 300 mm B 72. Determine the torque in motor C. a. 254.7 N-m b. 159.2 N-m 73. Determine the torque in gear A. a. 254.7 N-m b. 159.2 N-m 74. Determine the required diameter of the shaft. a. 24 mm b. 26 mm 245.7 N-m C. d. 195.2 N-m с. 245.7 N-m d. 195.2 N-m C. d. 28 mm 30 mm

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Q6
Select the size of a hollow steel shaft necessary to transmit 150 hp at 250 rpm without exceeding an allowable shear stress of 7.4 ksi, or having a relative angle of twist beyond an allowable value of 0.35 degrees per 1-ft length. The ratio k-d,/d,=0.75
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What is the absolute maximum shearing stress on the shaft (in MPa) What is the angle of twist of Gear B relative to Gear A (in degrees)? Using the torque applied at Gear B, what will be the power (in kW) generated if it is turning at 50 Hz? indicate the free body diagram
The coupled shafts shown are transmitting 270 hp at 600 rev/min. The shafts are connected by a coupling with eight bolts. The bolt circle diameters are 5 and 10 in. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. O 0 600 rev/min Determine the minimum nominal shoulder diameter of a bolt if all bolts are to have the same diameter and not exceed a shear stress of 20 kpsi Select a preferred fraction size. The minimum nominal shoulder diameter of a bolt is, in.
Q-1 The gears attached to the fixed -end steel shaft are subjected to the torques shown in fig .The shaft has diameter of (14 mm ).Determine the max shear stress and the angle of twist A relative c . use G=80 Gpa 280 N.m 150 N.m 40 N.m B 0.4m
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Draw the intemal torque diagram .
Two designs for a shaft are being considered. Both have an outside diameter of 60 m and are 800 mm long. One is solid but the other is hollow with an internal diameter of 40 mm. Both are made from steel (G=70 GPa). Compare the torsional shear stress, angle of twist of the two designs if they are subjected to a torque of T N. m. Use the last THREE digit of your ID Number for the missing Torque (T). 575
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Refer to the table of equations upon answering the problem.
A drive shaft running at 2500 rpm has outer diameter of 60mm and innerdiameter of 40mm. The allowable shear stress in the shaft is 35MPa. Determine themaximum power that can be applied. Present drawings/FBD’s illustrating your solution.