Engineering, 08.12.2020 22:30 garrettadkins2002
Which of the following is an advantage of circuit breakers over fuses.
A. Fuses need to be replaced
B. It is easier to trip a fuse.
C. Circuits get hot.
Tripped circuit breakers do not need to be replaced.
Answers: 1
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Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
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Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
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Engineering, 04.07.2019 18:10
Slip occurs via two partial dislocations because of (a) the shorter path of the partial dislocation lines; (b) the lower energy state through partial dislocations; (c) the charge balance.
Answers: 1
Which of the following is an advantage of circuit breakers over fuses.
A. Fuses need to be replaced...
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