1. Back pressure can force an undesirable contaminant to enter potable water piping.2. A clogged bore creates back pressure on the cutting head, slowing production. 3. If there are further undulations, then the back pressure effects add together. 4. This is referred to as back pressure , which reduces the engine s performance. 5. Non-condensing or back pressure turbines are most widely used for process steam applications. 6. Otherwise, back pressure can allow smells or sewer gases to enter the building. 7. Robert Stephenson estimated some locomotives lost half their power through blastpipe back pressure . 8. The mufflers included in these kits are often glasspacks, to reduce back pressure . 9. Is the high reading increased due to back pressure or something? 10. A 9.4 MW English Electric back pressure turbine ( No5 ) was installed.
