Diesel engines are ignited by _____
A) a carefully timed spark from a spark plug?
B) cold air injected into the cylinder?
C) a vacuum formed when air is forced out of cylinder?
D) the heat of compression
D
You might also like to view...
Technician A says pulse width modulation is the duration of on time, but not connected to a specific cycle time. Technician B says duty cycle is measured in percentages. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
Which of these is true about the repair order?
A) The information on the repair order is consistent across the nation. B) All repair orders are organized in the same way. C) Different regions of the country require different information on the repair order. D) Repair orders are required by law to have the same layout and logos.
Foundations of wood are referred to as ____ foundations, and they can be fabricated in a shop or on the job site by using wood that is pressure-treated to withstand moisture and pest damage from ground contact.
A. permawood B. woodgrain C. solid wood D. permanent wood
If you had a tubular column of one square inch diameter that extended from sea level to 50 miles into the stratosphere, how much would the air in the tube weigh?
A. 101.3 kilograms B. 14.7 kilograms C. 101.3 pounds D. 14.7 pounds