Question 1 of 20 : Select the best answer for the question
1. Technician A says that manually opening an exhaust gas recirculation (EGR) valve with a vacuum pump or scan tool will cause the engine to idle roughly
stall. Technician B says that blocking the EGR valve passages will have no effect on the OBD-II. Who is correct?
O A. Technician A
O B. Both Technicians A and B
O C. Technician B
OD. Neither Technician A nor B
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One of the benefits of working with chlorinated polyvinyl chloride (CPVC) pipe is that it can be cut with a variety of different tools that don’t require any electricity or heat. However, different cutting methods are preferred over others, depending on the application.

When cutting CPVC pipe, it is important to make a square, flat cut. An uneven cut limits the bonding area and weakens the fitting.

To help you make the best possible cut, we’ve put together the following dos and don’ts when cutting CPVC pipe in different situations.