So im thinking of how i waste my life on here and how i rly just want ppl to talk to rn

Which of the following ideas would not lead to lower amounts of waste? a) the extension of a product’s lifetime b) the elimination of unnecessary packaging c) flexible construction for simple repair d) built-in obsolescence e) the introduction of new design technology

Afour-cylinder engine is described as having a port-type efi fuel system. in most cases, how many injectors would you expect the engine to have? a. 8 b. 0 c. 1 d. 4

Technician a says the harmonic balancer may be attached to the crankshaft using a woodruff key and center bolt. technician b says the harmonic balancer may be attached to the crankshaft using a square key and center bolt. who is correct? choose one answer. a. technician a b. technician b c. both technician a and technician b d. neither technician a nor technician b