Which protocol was first used on the 1991 Mercedes S-Class to provide an intra-vehicle communication network between the nodes on a bus?
A. UART
B. SAE-J1850
C. CAN
D. ISO-9141-2
Answer: C
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Convert the following.
1. 61°30? to decimal degrees 2. 118°15? to decimal degrees 3. 38.7 mm to inches 4. 22?? to millimeters 5. 7.8 meters to inches 6. 0.8125?? to cm 7. 75?8?? to meters 8. 1,250 pounds to kilograms
Find a 95% confidence interval for the mean difference in time to freeze-up between the first month and the seventh.
A computer system administrator notices that computers running a particular operating system seem to freeze up more often as the installation of the operating system ages. She measures the time (in minutes) before freeze-up for seven computers one month after installation, and for nine computers seven months after installation. The results are as follows: One month after install: 207.4 233.1 215.9 235.1 225.6 244.4 245.3 Seven months after install: 84.3 53.2 127.3 201.3 174.2 246.2 149.4 156.4 103.3
What is the maximum water temperature for a low-pressure water boiler?
A) 150°F B) 200°F C) 180°F D) 250°F
A wye-delta transformer has a turns ratio of 2:1. It has a secondary line voltage of 480 V. The secondary is connected to a wye-connected three-phase resistive load of 50 ? in each phase. What is the secondary phase current?
A. 1.6 A B. 2.54 A C. 3.2 A D. 4.8 A