Explain how a simple displacement-on-demand system improves fuel economy.
What will be an ideal response?
The PCM controls oil flow to special lifters that allow the valves to stop opening. Fuel is not injected into the deactivation cylinders.
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Answer the following statement(s) true (T) or false (F)
1. Almost all power supplies are shipped from the manufacturer with the voltage setting in the HIGH voltage (240 V) position. 2. The first step in the start-up procedure is to check all power and communication cables to ensure that the connector pins are straight, and not bent or pulled out. 3. Each time an input device is closed, the corresponding LED on the input module should illuminate. 4. There are three methods used to test output devices. 5. The electrician and/or technician should be aware of how the system normally functions if he or she expects to successfully troubleshoot the system.
What makes an estimate at times more accurate than at other times?
What will be an ideal response?
Most DSP programs are written in C when fast operation is critical
Indicate whether the statement is true or false
Mixed format: 
(with a space between the whole number and the numerator)Fraction format: 
Reduce all fractions. A 75-watt, 120-volt light uses 
ampere. How many amperes are used by the 5 lights connected in parallel?
Fill in the blank(s) with the appropriate word(s).