ismailrashwan

• Oct 31st, 2015

If electrical spark combustion cycle was uncontrolled that leads to (H,M) cases or if electric spark distributor was not adjusted.

nirmal

• Sep 10th, 2015

I could not understand whether inlet or exhaust valve opens all the time. Give me a clear answer

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Why do we use solid shafts for transfer of power in case of pumps/ turbines & other machines why we use a hollow shaft (pipe) in universal joints of automobiles; although the rated load and twist is approx. the same.

Arun Govind Neelan

• Feb 27th, 2012

In automobile application we have to consider weight in addition to torque and strength. Hollow shaft has high torque transmitting capacity per unit mass compared to solid shaft. If you consider bending stress diagram for hollow it is min at centre so material requirement is minimum at centre.

ravindra sariya

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• Feb 16th, 2012

In case of turbine and pump there is an axial component of force present so solid shaft can deal better than hollow shaft...and in automobile only pure torsion is present and also hollow shaft have le...

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