2. A blower is driven by an electric motor though a belt drive. The motor runs at 750 r.p.m. For this power transmission, a flat belt o mm thickness and 250 mm width is used. The diameter of the motor pulley is 350 mm and that of the blower pulley 1350 mm. center distance between these pulleys is 1350 mm and an open belt configuration is adopted. The pulleys are made out of cast ir The frictional coefficient between the belt and pulley is 0.35 and permissible stress for the belt material can be taken as 2.5 N/mr with sufficient factor of safety. The mass of a belt is 2 kg per met length. Find the maximum power transmitted without belt slippin one ofthe pullove LAne 25 0 kwl

2. A blower is driven by an electric motor though a belt drive. The motor runs at 750 r.p.m. For this power transmission, a flat belt o mm thickness and 250 mm width is used. The diameter of the motor pulley is 350 mm and that of the blower pulley 1350 mm. center distance between these pulleys is 1350 mm and an open belt configuration is adopted. The pulleys are made out of cast ir The frictional coefficient between the belt and pulley is 0.35 and permissible stress for the belt material can be taken as 2.5 N/mr with sufficient factor of safety. The mass of a belt is 2 kg per met length. Find the maximum power transmitted without belt slippin one ofthe pullove LAne 25 0 kwl

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

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

2. A blower is driven by an electric motor though a belt drive. The
motor runs at 750 r.p.m. For this power transmission, a flat belt of 8
mm thickness and 250 mm width is used. The diameter of the
motor pulley is 350 mm and that of the blower pulley 1350 mm. The
center distance between these pulleys is 1350 mm and an open
belt configuration is adopted. The pulleys are made out of cast iron.
The frictional coefficient between the belt and pulley is 0.35 and the
permissible stress for the belt material can be taken as 2.5 N/mm2
with sufficient factor of safety. The mass of a belt is 2 kg per meter
length. Find the maximum power transmitted without belt slipping
in any one of the pulleys. [Ans. 35.9 kW]

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8. A blower is driven by an electric motor though a belt drive. The motor runs at 750 r.p.m. For this power transmission, a flat belt of 8 mm thickness and 250 mm width is used. The diameter of the motor pulley is 350 mm and that of the blower pulley 1350 mm. The centre distance between these pulleys is 1350 mm and an open belt configuration is adopted. The pulleys are made out of cast iron. The frictional coefficient between the belt and pulley is 0.35 and the permissible stress for the belt material can be taken as 2.5 N/mm² with sufficient factor of safety. The mass of a belt is 2 kg per metre length. Find the maximum power transmitted without belt slipping in any one of the pulleys. [Ans. 35.9 kW]
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