Two technicians are discussing hard spots in brake drums. Technician A says the drum should be replaced. Technician B says the hard spots are caused by using riveted rather than bonded brake shoes. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A
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Indicate whether the statement is true or false
The equation: H ?_in=H ?_out is frequently applied to a valve. Several assumptions are incorporated into the derivation of this equation. Which of the following is NOT one of these assumptions?
A. The system is operating at steady state. B. The system is adiabatic. C. The potential energies of the entering and exiting streams are equal to each other. D. The system is at constant, uniform pressure throughout. E. All of the above are necessary assumptions for the derivation of this equation.
Firms with just-in-time inventory systems would be wise to have multiple suppliers for
inputs to their transformation systems.
Indicate whether the statement is true or false.In what two ways should an air conditioning evaporator condition the air?
What will be an ideal response?