Question 3A hollow shaft for marine applications has outer and inner diameters of 400 mm and 200 mmrespectively and transmits 8000 kW at 100 r/min.3.1 Calculate the maximum shear stress in the hollow shaft./4/3.2 Calculate the shear stress on the inner surface of the hollow shaft./2/an3.3 Determine the maximum length of this shaft if the maximum shear stress as wellangle of twist of 30 is not to be exceeded. (G = 80 GPa)/3/3.4 If this shaft is connected to a similar shaft, 1 m long, through a 10-bolt rigid flangecoupling, determine the minimum standard bolt diameter if the pitch circle diameter ofthe coupling is pcd = 450 mm and the allowable shear stress in the bolts should notexceed 55 MPa./3/3.5 Determine the equivalent torsional stiffness of the shaft assembly./3/[15]

Shear stress when twisting moment is applied on the shaft ,shaft experiences the shear stress. shear…

A hollow shaft for marine applications has outer and inner diameters of 400 mm and 200 mm respectively and transmits 8000 kW at 100 r/min. 3.1 Calculate the maximum shear stress in the hollow shaft. 1/4/ 3.2 Calculate the shear stress on the inner surface of the hollow shaft. /2/ 3.3 Determine the maximum length of this shaft if the maximum shear stress as well as an angle of twist of 30 is not to be exceeded. (G= 80 GPa) 13/

A hollow shaft for marine applications has outer and inner diameters of 400 mm and 200 mm respectively and transmits 8000 kW at 100 r/min. 3.1 Calculate the maximum shear stress in the hollow shaft. 1/4/ 3.2 Calculate the shear stress on the inner surface of the hollow shaft. /2/ 3.3 Determine the maximum length of this shaft if the maximum shear stress as well as an angle of twist of 30 is not to be exceeded. (G= 80 GPa) 13/

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

See similar textbooks

Similar questions

Micro Bh Micros Bb Micros - с * Question Completion Status: Question 2 2.0 d=1.50 in. dia. 1.9 1.8 Class r = 0.08 in. The figure below show a stepped shaft in torsion. Compute the maximum shear stress at the step when it rotates at 100 rad/s and transmits 5000 lb-in/s. Use CamScanner app or Notes app of iPhone to scan all hand-written pages into one PDF file. Attach the PDF file here to answer in this question. Class ( bbhosted.cuny.edu/webapps/assessment/take/take.jsp?course_assessment_id=_2374 Class D = 2.00 in. dia. r= Fillet radius Class G Cuent Projec suntur Et WA AS hp
3.30 A solid steel shaft transmits 20 hp while running at 120 rev/min. Find the smallest safe diameter of the shaft if the shear stress is limited to 5000 psi and the angle of twist of the shaft is not to exceed 9° in a length of 10 ft. Use G= 12 x 106 psi for steel.
A hollow shaft has to transmit 6MW at 150rev / min. The maximum allowable stress is not to exceed 60 MN / m? nor the angle of twist 0.3 ° per meter length of shafting. If the outside diameter of the shaft is 300 mm find the minimum thickness of the hollow shaft to satisfy the above conditions. G = 80 GN / m?
A solid shaft 100 mm diameter transmits 100.6 horsepower with a maximum allowable shear stress 25 MN/m ^2 . What is the spced of rotation of the shaft in (r.p.m)? (b) If the solid shaft is replaced by the hollow shafl transmitting 100 kW at the same rotation speed of the solid shaft. The hollow shaft has a mean torque =5/6 of maximum torque with the angle of twist 0.35° per meter length of the shafl and G= 80 GN/m^2 Determine the dimensions ofr the hollow shaft if the internal diameter of the shaft is to be 80 % of the external diameter.
Q4. Determine the diameter of a shaft which is transmitting 60KW at 200rev/min, for: 1- Solid shaft 2- Hollow shaft with a diameter ratio of 0.6 If the maximum shear stress in shaft is 70MN/m' and angle of twist to 3.8" in length of 4m. Take for the shaft material C=80GN/m'.
Q2 /A hollow steel shaft transmits 200 kw of power at 150 rpm.The total angle of twist in length of 5 m of the shaft is 3°. Find the inner and outer diameters of the shaft if the permissible shear stress is 60mpa .G=80 Gpa .
Q2 /A hollow steel shaft transmits 200 kw of power at 150 rpm .The total angle of twist in length of 5 m of the shaft is 3°. Find the inner and outer diameters of the shaft if the permissible shear stress is 60mpa .G=80 Gpa .
A hollow shaft is required to transmit 700 kW at 110 r.p.m., the maximum torque being 20% greater than the mean. The shear stress is not to exceed 78MPa and twist in a length of 9.84 feet not to exceed 1.4 degrees. Find the external diameter of the shaft, if the internal diameter to the external diameter is 3/8. Take modulus of rigidity as 79 GPa.
A drilling riser is used to drill a 4km deep hole into the seabed. The riser can be approximated as a hollow steel shaft of 185mm and 160mm outer and inner diameter respectively. If the power exerted is 230kW and the speed of rotation of the drill is 75RPM, calculate the maximum shear stress in the shaft and the twist of one end relative to the other in degrees.(Note the angle of twist of a 4km drill string is going to be >> 360o ) G = 89 kN/mm2
Q2) A hollow shaft is required to transmit 600 kW at 110 r.p.m., the maximum torque being 20% greater than the mean. The shear stress is not to exceed 63 MPa and twist in a length of 3 meters not to exceed 1.4 degrees. Find the external and internal diameter of the shaft, if you know that the internal diameter is 37.5% of the external diameter. Take modulus of elasticity as 200 GPa and Poisson's ratio 0.19.
A shaft is used to transmit 24 kw at a speed of 1,779 rev/min. Using a maximum allowable shear stress of 48 MPa, find the shaft diameter in mm
Please solve only if you know the answer. A hollow steel shaft, 12 m long, is required to transmit 1000 kW when running at a speed of 300 r.p.m. If the maximum permissible shear stress in the shaft is 80 N/mm² and the ratio of inner 3/4 diameter to the outer diameter is , find the dimensions of the shaft.