Question
What is the purpose of a camshaft in a four-stroke
internal combustion engine used in agricultural tractors?Solution
The camshaft is synchronized with the crankshaft and is responsible for opening and closing the intake and exhaust valves at the right times during the engine cycle. Proper valve timing ensures efficient combustion and engine performance.
A train running at a speed of 60 km/h takes 30 seconds to cross a pole. Find the approximate time taken by the train to cross a platform whose length is...
A train with 16 compartments of equal length takes 32 seconds to cross a pole and 40 seconds to cross a 160-metre-long platform. If 8 compartments are r...
A train travels at an average speed of 100 km per hour without stoppage and with stoppages it covers the same distance at an average speed of 80 km/hr. ...
- Passenger train leaves Bhopal at a certain time. After 3 hours, Intercity Express leaves the same station and travels in the same direction at the speed of...
A train 450 metre long takes 30 sec to cross a man running at a speed of 6 km/hr in the direction same to that of train. What is the speed of the train?
- Train 'R' can cross a pole in 6 seconds and a 240 metres long bridge in 10 seconds. Train 'S' whose length is 75% of the length of train 'R' runs in the sa...
A train crosses a 300-metre-long bridge in 20 seconds, and the same train crosses a tunnel twice the length of the bridge in 35 seconds. Find the speed ...
A train traveling at 20 m/s crosses a bridge that is 400 metres long in 35 seconds. What is the length of the train?
A 300 m train crosses a platform in 24 s and a man standing on it in 18 s. Find the platform’s length.
A train of length 420 m can cross a platform of length ‘y’ m in 30 seconds. Also, it can cross another train of same length as that of the platform,...