After about 2000 hours’ running, we’ll do the following
procedures except().
A: Inspecting the starting and safety valve.
B: Cleaning the scavenging and exhaust ports..
C: Inspecting the ring piston blower.
D: Checking the crankshaft and its alignment in the bearings.
procedures except().
A: Inspecting the starting and safety valve.
B: Cleaning the scavenging and exhaust ports..
C: Inspecting the ring piston blower.
D: Checking the crankshaft and its alignment in the bearings.
举一反三
- What is NOT the duties will a technician perform? A: Maintaining the jumper cables. B: Inspecting traction motors. C: Checking the train's power supply for efficiency. D: Starting the locomotives.
- The _______ is the heart of an automboile. A: piston B: engine C: crankshaft D: valve
- The scavenging air ports are located at （） that they are just exposed by the upper edge of the piston when the piston is in the bottom dead center position.
- Direct acting relief valve is often used as the pilot valve of safety valve or other pilot relief valve. ( )
- The compressed air is admitted to each cylinder through a cam operated by starting air valve when the piston has just passed its （）.