Which gas indicates efficiency? (The higher the level of this gas, the more efficient the engine is operating.)
A) HC B) O2 C) CO2 D) CO
C
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The most important inputs for an electronic unit injector diesel engine include engine speed, the operators speed or torque request (accelerator), and _____.
A. common rail pressure B. IPR C. injection pressure D. engine crankshaft position
Interview your drafting instructor or supervisor to determine what type of drawing standards exist at your school or company. Write the standards down and keep them with you as you learn civil drafting technology. Make notes as you progress through this textbook on how you use these standards. Note how you could change the standards to reduce costs and improve productivity.
What will be an ideal response?
Shifting cultivation is:
A. movement of cultivated fields around a permanent home. B. practiced by individual land owners. C. the use of different tilling methods to prepare soil. D. annual rotation of crops grown in the same field.
What is the correct description of Dalton's law?
A. There is a definite relationship between the pressure and volume of a gas if the temperature is kept constant. B. There is a definite relationship between the volume and temperature of a gas if the pressure is kept constant. C. The total pressure of a confined mixture of different gases is equal to the sum of the pressure of each gas in the mixture. D. Energy can be changed in form but cannot be created or destroyed.