High performance sports car with active exhaust system allows . . . . . . . .
A. Larger flow area, reduces the restriction in the exhaust system
B. To maintain the flow area without affecting the restriction in the exhaust system
C. Smaller flow area, reduces the restriction in the exhaust system
D. None of the above
Answer: Option A
Related Questions on Performance and Testing of Engines
Mechanical efficiency of an automobile engine usually varies in the range:
A. 50% - 60%
B. 60% - 70%
C. 70% - 90%
D. More than 90%
A. Increase
B. Decrease
C. Independent
D. None of the above
How many times in a minute does each valve on a 4-stroke engine running at 2000 rpm open and close?
A. 1000
B. 2000
C. 4000
D. 6000
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