How is ultrasound used in leak detection?
A) It makes exiting gasses visible. B) It allows for a visual close-up of the system.
C) It amplifies the sound of a leakage. D) It causes the formation of bubbles near a leak.
C
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Many standing pilot appliances are being replaced with ____________________ devices because of the growing need for fuel economy and efficiency.
Fill in the blank(s) with the appropriate word(s).
Choose the shop or shops that are more likely to work on a wide range of vehicles
A) New vehicle dealership service department B) Fleet repair shops C) Chain stores with a service center D) Independent repair shops E) Both C and D F) None of these
Which type of fuse should be used to prevent nuisance tripping from temporary motor overloads and surge currents?
a. Non-time-delay fuse b. Edison-base plug fuse c. GE-base single-element fuse d. Dual-element, time-delay fuse
What safety precaution is required before starting an electric motor?
What will be an ideal response?