What is a primary concern when working on a CNG vehicle and who should work on them?
What will be an ideal response?
A primary concern when performing repairs on a CNG vehicle is safety due to the high pressures at which the CNG is stored (3,000-3,600 psi). You should be a qualified CNG technician before performing repairs and know how to disable the fuel system.
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How is plugging accomplished with three phase motors?
What will be an ideal response?
La presencia de cloruro de calcio en el agua de mezcla para el concreto puede provo- car _____.
a. tiempos de curado más prolongados b. resistencia a la congela- ción/descongelación c. resistencia a los sulfatos d. corrosión del metal
Which of the following could result in low engine compression?
A) Cylinder head gasket B) Damaged valve C) Damaged piston or piston ring D) All of these are correct.
Plastics are formed into permanent shape.
Answer the following statement true (T) or false (F)