Using K-maps, find the minimum POS of the following: a. f(A, B, C, D) = ∑ m(0, 1, 2, 4, 6, 7, 8, 9, 13, 15) b. f(A, B, C, D) = π M(1, 2, 4, 10, 11, 14) c. f(A, B, C, D) = ∑ m(0, 1, 5, 12, 14, 15) + ∑ d(2, 7, 8, 13) d. f(A, B, C, D) = π M(3, 8, 9, 14) . π D(0, 1, 4, 5, 10, 11)

Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct

What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.