What component of an internal combustion engine is located at the top of each cylinder and opens to allow fuel gases to enter the cylinder?
A. Intake port
B. Intake valves
C. Exhaust port
D. Crankshaft
A. Incorrect. The intake port is an air channel that directs fuel gases to the intake valves.
B. Correct. Intake valves are located at the top of each cylinder and open to allow fuel gases to enter the cylinder.
C. Incorrect. The exhaust port is a cavity or chamber that collects exhaust gases from the exhaust valves and directs them to the exhaust system.
D. Incorrect. The crankshaft converts the piston’s up-and-down or forward-and-backward motion into rotational motion.
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Oxides of nitrogen (NOx) are formed when combustion temperatures reach more than:
A. 3,000 degrees F. B. 2,500 degrees F. C. 1,800 degrees F. D. 2,000 degrees F.
Which mass property is the second moment of mass of a body relative to an axis?
A. moment of inertia B. radius of gyration C. centroid D. volume
The Lecompton Constitution was written so that Kansas
A. could enter the Union as either a slave state or a free state. B. would hold a popular referendum on slavery after admission to the Union. C. would permit temporary residents like the abolitionists and border ruffians to vote. D. would allow slavery but prohibit the slave trade. E. would continue to permit slavery for owners of slaves who held slaves in Kansas at the time of the ratification vote, even if the voters of Kansas enacted the Lecompton Constitution "without slavery."
A supply house has 804 solenoids for 5-horsepower motor controls. The clerk must reorder this item when the supply reaches 60. Fourteen are sold on January 1, and 75 are sold on January 16. How many more can be sold before reordering?
Fill in the blank(s) with the appropriate word(s).