Question 6Motor Plants - Assistant Engineer70% to pass
The speed of the camshaft in a two-stroke cycle diesel engine, running at 950 RPM, is_______________.
AI Explanation
The correct answer is B) 950 RPM.
In a two-stroke cycle diesel engine, the camshaft rotates at the same speed as the crankshaft, which in this case is 950 RPM. This is because in a two-stroke engine, the crankshaft and camshaft complete one full rotation for every two strokes of the piston, unlike a four-stroke engine where the camshaft rotates at half the speed of the crankshaft.
The other options are incorrect because:
A) 475 RPM is half the speed of the crankshaft, which would be the case for a four-stroke engine.
C) 1900 RPM is double the speed of the crankshaft, which is not possible for a two-stroke engine.
D) 2400 RPM is an unrealistic speed for a typical diesel engine running at 950 RPM.
Related Questions
#4 A six cylinder, two-stroke cycle diesel engine is 83% efficient and has a cylinder constant of 0.998 while operating with a mean effective pressure of 15 kg/cm2 at a speed of 100 RPM. What is the metric brake horsepower developed? #5 An eight cylinder, four-stroke cycle, single acting diesel engine has a 650 mm bore and a 1400 mm stroke. What will be the developed indicated metric horsepower if the average mean effective pressure is 30 kg/cm2 at a speed of 100 RPM? #7 A diesel engine cylinder has a swept volume of 125 cubic inches and a compression ratio of 13.5 to 1. What is the clearance volume in the cylinder at top dead center? #8 If the piston stroke in a four-stroke cycle diesel engine is 10 1/2 inches and the speed of rotation of the crankshaft is 720 RPM, what is the average piston speed? #9 A four cylinder, four-stroke cycle, single acting diesel engine has a 740 mm bore and a 1500 mm stroke. What indicated power will be developed if the average mean effective pressure is 18 kg/cm2 at a speed of 90 RPM?