kW at 360 rpm from the pulley 1 to the pulley 2. The diameters of pulleys 1 and 2 are 250 mm and 500 mmQ1:A shaft carry ing two pulleys I and 2, and supported on two bearings A and B. The shaft transmits a power of 7.5respectively. The masses of pulleys 1 and 2 are 10 ko qnd 30 kg respectively. The belt tensions act verticallydownward and the ratio of belt tensions on the tight si alack side for each pulley is 2.5:1. The shaft is made ofplain carbon steel, the Permissible shear stress is 63.333 MMPg and the factor of safety is .1- Find the total force acting at the centre line of the pulley I and 2 and2-Estimate suitable diameter of shaft, Assume G = 79300 MPa.250500250Px 60T =2n N2.3 log= L1.03 (T-T,) Rc(а)T = JM? +TIxTx d=-X16T T1Tz T3|र---.

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Q1:A shaft carry ing two pulleys I and 2, and supported on two bearings A and B. The shaft transmits a power of 7.5 kW at 360 rpm trom the pulley 1 to the nulley 2 liameters of pulleys 1 and 2 are 250 mim and 500 mm respectively. The masses of pulleys 1 and2 are 1 ad 30 kg respectively. The belt tensions act vertically downward and the ratio of belt tensions on the tight eid lack side for each pulley is 2.5:1. The shaft is made of plain carbon steel, the Permissible shear stress is 63.333 MPa and the factor of safety is . 1- Find the total force acting at the centre line of the pulley 1 and 2 and 2- Estimate suitable diameter of shaft, Assume G = 79300 MPa. 250 500 250 Px 60 T = 2n N = l.0 2.3 log T, T = (T-T,) Re 1, - JM² + T =**xd (а) %3D T4 T, 0----

Q1:A shaft carry ing two pulleys I and 2, and supported on two bearings A and B. The shaft transmits a power of 7.5 kW at 360 rpm trom the pulley 1 to the nulley 2 liameters of pulleys 1 and 2 are 250 mim and 500 mm respectively. The masses of pulleys 1 and2 are 1 ad 30 kg respectively. The belt tensions act vertically downward and the ratio of belt tensions on the tight eid lack side for each pulley is 2.5:1. The shaft is made of plain carbon steel, the Permissible shear stress is 63.333 MPa and the factor of safety is . 1- Find the total force acting at the centre line of the pulley 1 and 2 and 2- Estimate suitable diameter of shaft, Assume G = 79300 MPa. 250 500 250 Px 60 T = 2n N = l.0 2.3 log T, T = (T-T,) Re 1, - JM² + T =**xd (а) %3D T4 T, 0----

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

kW at 360 rpm from the pulley 1 to the pulley 2. The diameters of pulleys 1 and 2 are 250 mm and 500 mm
Q1:A shaft carry ing two pulleys I and 2, and supported on two bearings A and B. The shaft transmits a power of 7.5
respectively. The masses of pulleys 1 and 2 are 10 ko qnd 30 kg respectively. The belt tensions act vertically
downward and the ratio of belt tensions on the tight si alack side for each pulley is 2.5:1. The shaft is made of
plain carbon steel, the Permissible shear stress is 63.333 MMPg and the factor of safety is .
1- Find the total force acting at the centre line of the pulley I and 2 and
2-
Estimate suitable diameter of shaft, Assume G = 79300 MPa.
250
500
250
Px 60
T =
2n N
2.3 log
= L1.0
3 (T-T,) Rc
(а)
T = JM? +T
IxTx d
=-X
16
T T1
Tz T3
|र---.

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