A 5-m hollow steel shaft (G= 80 GPa) is subjected to a 25 kN-m torque. The outer diameter is 200 mm. [Select] [Select] 190 95 75 150 Answer not in the choices. [Select] velocity of 10 rad/sec is V (a) If the total angle of twist must not exceed 3 degrees, the required inner (b) If the maximum allowable torsional shearing stress is 83 MPa, the require (c) The power (in watts) transmitted by a 10 N-m torque with an angular

A 5-m hollow steel shaft (G= 80 GPa) is subjected to a 25 kN-m torque. The outer diameter is 200 mm. [Select] [Select] 190 95 75 150 Answer not in the choices. [Select] velocity of 10 rad/sec is V (a) If the total angle of twist must not exceed 3 degrees, the required inner (b) If the maximum allowable torsional shearing stress is 83 MPa, the require (c) The power (in watts) transmitted by a 10 N-m torque with an angular

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.7.10P: What is the maximum power that can be delivered by a hollow propeller shaft (outside diameter 50 mm,...

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A motor driving a solid circular steel shaft with diameter d = 1.5 in, transmits 50 hp to a gear at B, The allowable shear stress in the steel is 6000 psi. Calculate the required speed of rotation (number of revolutions per minute) so that the shear stress in the shaft does not exceed the allowable limit.
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
2-Falcon company Nizwa is conducting a campus interview to you. You are asked to design the propeller shaft with the following specification. (i) power tranmission = 230 kW(ii) speed = 80 rpm,(iii) Maximum shear stress = 60 MPa(iv) diameter ratio = 1.74(v) The maximum value of the twisting moment is 40% greater than its mean. (i) The mean torque is (Unit is in Nm)=__________ (ii) The maximum torque is (Unit is in Nm)=__________ (iii) The outer diameter of the shaft (unit in mm)=_______________ (iv) The inner diameter of the shaft (unit in mm)=_______________
Topic: FUNDAMENTAL CONCEPT OF STRAIN (statically indeterminate) and TORSION (circular shafts and thin-walled tubes). Problem: A shaft with a constant diameter of 2” is loaded by torques applied to gears attached to it as shown. Using G = 12 x 106 psi, determine the relative angle of twist (in degree) of gear A relative to gear D. Use 2 decimal places. Use the given sign convention for uniformity. Provide a torque diagram
Determine the minimum diameter that can be used for a solid circular steel shaft which is limited to an allowable shear stress of 70 MPa and a maximum angle of twist of 1.5o (degrees) per meter length. Applied maximum torque is 25 KN-m and the overall shaft length is 1.25 meters. Shear modulus = G= 80 GPa Note: When using torsion stress formulas, you must convert the angle of twist from degrees to radians.
A solid stainless steel [G = 108 GPa] shaft that is 1.2 m long will be subjected to a pure torque of T = 82 N-m. Determine the minimum diameter d required if the shear stress must not exceed 40 MPa and the angle of twist must not exceed 4.7°. Report both the maximum shear stress 7 and the angle of twist at this minimum diameter. Answers: d = mm. T = IN i MPa. i
A solid stainless steel [G = 93 GPa] shaft that is 2 m long will be subjected to a pure torque of T = 73 N-m. Determine the minimum diameter d required if the shear stress must not exceed 31 MPa and the angle of twist must not exceed 5.1°. Report both the maximum shear stress 7 and the angle of twist at this minimum diameter. Answers: d = i mm. T = MPa. IM IM MI
Design a hallow shaft (Diameter and length) that develops 80 kN of power while rotating at a speed of 4000 rpm. The design constrains are as under: The angle of twist not to exceed 0.200 Shear stress is not to exceed 480 MN/m? The outer diameter is to be twice the inner diameter. The shaft length is to be three times the outer diameter. Modulus of rigidity = 79 GN/m?.
3. (a) (b) (c) A hollow steel driving shaft has the modulus of rigidity is 80 OGN/m² and its Young's modulus has the same value as modulus of rigidity. The ratio of the outside to inside diameter is 3:2 and the length of the shaft is 6m. This shaft is designed to transmit 750 kW at the rotational speed of 100 rpm but must satisfy the following two conditions: i) the twist must not exceed 1°; ii) the shear stress must not exceed 36 N/mm². Determine the shaft diameter under condition i) 01 6 Determine the shaft diameter under condition ii) & the final decision of diameter to meet both conditions fo Determine the direct stress within the shaft if the shaft experiences a change of temperature from 20°C to 80°C and thermal coefficient of the shaft is 12x10-6/°C
Design a hallow shaft (Diameter and length) that develops 80 kW of power while rotating at a speed of 4000 rpm. The design constrains are as under:The angle of twist not to exceed 0.200Shear stress is not to exceed 480 MN/m2The outer diameter is to be twice the inner diameter. The shaft length is to be three times the outer diameter. Modulus of rigidity = 79 GN/m2.
A alm T 1.20 m T B 1.20 m C 3 T The 60 mm diameter shaft is made of 6061-T6 aluminum having an allowable shear stress of Tallow 80 MPa. Find the corresponding angle of twist of disk A relative to disk C. Note: You will need to calculate the maximum allowable torque T first. Provide your answer for angle of twist in radians with 3 significant figures after the decimal point.
EHide blocks Lets consider a solid circuiar shalt subjected to the torque loads as shown. Determine the minimum required diameter "Dif the shaft is made of a material having a shear modulus G 50 GPa, so that the maximum angle of twist at its end will not exceed -0.35° (calculated according to the positive sign convention). 100 N.m 500 N.m 200 N.m 300 mm 600 mm 600 mm Select one: O 40 mm O 70 mm O 80 mm O 60 mm O 50 mm