17-09-21
Control Valve Control Valve

Control Valve     This valve controls the expulsion of oil from the spring side of the second gear band servo piston at speeds in the region of 60 km/h. The time period for oil to exhaust then depends upon the governor pressure varying the effective…

Control Valve     This valve controls the expulsion of oil from the…


Gratis
17-09-21
How Cement Mixers Work How Cement Mixers Work

  How Cement Mixers Work     In addition to the mixing energy applied to the fresh concrete (i.e. shearing during mixing), the shear history after mixing is also important. This applies especially to binder rich concretes like the different types of…

  How Cement Mixers Work     In addition to the mixing energy…


Gratis
17-09-21
How Padlocks Work How Padlocks Work

Learn about the standard iron padlock to understand the main parts, how they work and also how to bypass the mechanical security features to pick the lock.     With thanks to Squarespace for sponsoring this article. Go to Squarespace.com for a free trial…

Learn about the standard iron padlock to understand the main parts,…


Gratis
17-09-21
Intelligent Mining Technology for an Underground Metal Mine Based on Unmanned Equipment Intelligent Mining Technology…

This article presents facts and figures on mining equipment safety and reviews various important aspects of mining equipment safety including quarry accidents, electrical accidents, equipment fires, maintenance-related mining accidents, causes of mining…

This article presents facts and figures on mining equipment safety and…


Gratis
17-09-21
Bus HVAC energy consumption test method based on HVAC unit Bus HVAC energy consumption…

Bus HVAC energy consumption test method based on HVAC unit     In this study, passenger comfort and the air pollution status of the micro-environmental conditions in an air-conditioned bus were investigated through questionnaires, field measurements,…

Bus HVAC energy consumption test method based on HVAC unit     In…


Gratis