Full access allows:
- Solve all tests online without limits;
- Remove all advertisements on website;
- Adding questions to favorite list;
- Save learning progress;
- Save results of practice exams;
- Watching all wrong answered questions.
- Homepage »
- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q536 - Electrical, Electronic, & Control Engineering
467. Refer to figure «A» representing an electric oven as shown in the illustration. With the oven turned on, the power available indicator light is off, the oven on indicator light is off, and only elements «6» and «7» appear to be producing heat. Which fuse is blown
The L1 10A line fuse is blown because the power available and oven on indicator lights are off, and elements 6 and 7 are producing heat; this indicates a loss of power on phase L1, which supplies these indicators and elements 1-5, while elements 6 and 7 are powered by phases L2 and L3.
Comments (0)
There are no comments at the moment. If you found an error or think question is incorrect, tell everyone about it
Only signed in users can write comments
Signin