Explain the pulse width modulated signal to a fuel injector.
What will be an ideal response?
The computer sends an electrical signal to the fuel injector or injectors. This signal determines the amount of time the injector opens and sprays fuel. This interval is known as the injector
pulse width.
You might also like to view...
In general, items of excavation, backfill, and fill materials are measured in cubic feet.
Answer the following statement true (T) or false (F)
A consulting engineering firm’s CFO wants to purchase either Ford Explorers or Toyota 4Runners for company principals. The two models under consideration cost $30,900 for the Ford and $36,400 for the Toyota. When considering life-cycle costs, the AOC of the Explorer is expected to be $600 per year more than that of the 4Runner. The trade-in values after 3 years are estimated to be 50% of the first cost for the Explorer and 60% for the 4Runner. (a) What is the incremental ROR between the two vehicles? (b) Provided the firm’s MARR is 18% per year, which vehicle should it buy?
What will be an ideal response?
The disconnect for a piece of air-conditioning equipment should be equal to:
A) The sum of the compressor RLA and the FLA of all fan motors. B) 115 percent of the maximum overcurrent rating listed on the equipment data plate. C) The minimum circuit ampacity listed on the equipment data plate. D) 115 percent of the minimum circuit ampacity listed on the equipment data plate.
If the gain of a proportional mode system is set too high, the proportional band is ____________________ (narrow, wide), the response time is ____________________ (fast, slow), and the system will be unstable.
Fill in the blank(s) with the appropriate word(s).