Technician A says that the greater the temperature difference between the cylinder temperature on the compression stroke and the firepoint of the fuel, the longer the ignition lag. Technician B says that a typical diesel fuel formulated for on highway use has a firepoint of about 250 degrees Celsius (482 degrees Fahrenheit). Who is correct?

A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B


Answer: C

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The discharge air temperature is warm or slightly cool. The pressure gauges shown indicate which MOST LIKELY cause?

A) Excess refrigerant in the system B) Lack of airflow through the condenser C) Low on refrigerant D) Defective compressor

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CMUs are available as lightweight and normal-weight CMUs. Which one is costlier and which one is preferred by the masons?

What will be an ideal response?

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A _____________________ chemical is one incorporated into the soil before the crop is planted

Fill in the blank(s) with correct word

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The Federal Reserve Act of 1913 guaranteed a substantial measure of public control over the American banking and currency system through the great authority given to

A. the secretary of the treasury. B. the House and the Senate. C. banking shareholders. D. regional Federal Reserve banks. E. the presidentially appointed Federal Reserve Board.

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