A diesel engine produces pronounced combustion knock along with white smoke emission. Which of the following is the more likely cause?
A. High sulfur fuel.
B. Advanced fuel injection timing.
C. Out of balance fuel injection system.
D. Air leak in suction side of the fuel subsytem system.
Answer: D
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Which of the following pull stations require the user to lift a cover or open a door before operating the pull station?
a. Single-action b. Glass-break c. Key-operated d. Double-action
As a business grows, its goals and objectives may become more involved
Indicate whether the statement is true or false
Refer to the circuit shown in Fig. 11.88.
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What is the purpose of checking the supply voltage after starting the system?
A) To determine the refrigeration coefficient of performance, crop B) To determine which power leg is positive and which is negative C) To verify that the supplied voltage is within the manufacturer's specifications D) To determine the voltage drop in the wire