from pulley A is running a compressor. The belt tensions for pulley A are 1500 N and 600 N. The ratio of belt tensions for pulley B is 3.5. The shaft, as shown in Fig. 14.20, is driven by pulley B from an electric motor. Another belt drive TA2 Al 100- TB2 TBL 100 150 All dimensions in mm. Fig. 14.20 The diameter of pulley A is 150 mm and the diameter of pulley B is 480 mm. The allowable tensile stress for the shaft material is 170 MPa and the allowable shear stress is 85 MPa. Taking torsion and bending factors as 1.25 and 1.75 respectively, find the shaft diameter. Also find out the dimensions for a hollow shaft with outside diameter limited to 30 mm. Compare the weights of the two shafts. Ans. 30 mm: 24 mm: 1.82]

from pulley A is running a compressor. The belt tensions for pulley A are 1500 N and 600 N. The ratio of belt tensions for pulley B is 3.5. The shaft, as shown in Fig. 14.20, is driven by pulley B from an electric motor. Another belt drive TA2 Al 100- TB2 TBL 100 150 All dimensions in mm. Fig. 14.20 The diameter of pulley A is 150 mm and the diameter of pulley B is 480 mm. The allowable tensile stress for the shaft material is 170 MPa and the allowable shear stress is 85 MPa. Taking torsion and bending factors as 1.25 and 1.75 respectively, find the shaft diameter. Also find out the dimensions for a hollow shaft with outside diameter limited to 30 mm. Compare the weights of the two shafts. Ans. 30 mm: 24 mm: 1.82]

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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Concept explainers

Power Transmission Elements

It is defined as the energy transfer from one location to another location. The energy will start moving from the energy generation source to the energy applied position to obtain the work output. From this method, a large amount of electric energy moves from the power station to various electrical substations.

Question

IS. 03
16. The shaft, as shown in Fig. 14.20, is driven by pulley B from an electric motor. Another belt drive
from pulley A is running a compressor. The belt tensions for pulley A are 1500 N and 600 N. The ratio
of belt tensions for pulley B is 3.5.
B.
TA2
A
D.
TA
150 -100-
TB2
100
All dimensions in mm.
Fig. 14.20
The diameter of pulley A is 150 mm and the diameter of pulley B is 480 mm. The allowable tensile
stress for the shaft material is 170 MPa and the allowable shear stress is 85 MPa. Taking torsion and
bending factors as 1.25 and 1.75 respectively, find the shaft diameter.
Also find out the dimensions for a hollow shaft with outside diameter limited to 30 mm. Compare the
weights of the two shafts.
Ans. 30 mm : 24 mm: 1.82]

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