Along, hollow cylinder. a= 0 the boundaries at r=a and r=b are kept insulated. obtain an expression for temperature distribution t(r, 1) in the solid for times t> 0.

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

Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when

When subject to a steady load (within elastic range) over a long period of time, what is the major difference in material behavoir between steel and plastic?