subject
Engineering, 05.11.2019 04:31 jwilliamsstudent

Which of the following is the purpose of fail-safe circuits?
a. fail-safe circuits are designed to provide overload protection for system components
b. fail-safe circuits are designed to protect electric motors against voltage surge
c. fail-safe circuits are designed to maintain constant current in electric motor coils
d. a, b, and c
e. none of the above

ansver
Answers: 1

Another question on Engineering

question
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
question
Engineering, 04.07.2019 18:10
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
Answers: 1
question
Engineering, 04.07.2019 18:10
During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
Answers: 2
question
Engineering, 04.07.2019 18:10
Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges
Answers: 1
You know the right answer?
Which of the following is the purpose of fail-safe circuits?
a. fail-safe circuits are desig...
Questions
question
Spanish, 11.10.2020 14:01
Questions on the website: 13722359