A single cylinder, four stroke cycle oil engine is fitted with a rope brake. The diameter of the brake wheel is 600 mm and the rope diameter is 26 mm. The dead load on the brake is 200 N and the spring balance reads 30 N. If the engine runs at 450 r.p.m., what will be the brake power of the engine?
A. 2 kW
B. 2.5 kW
C. 3 kW
D. 3.5 kW
Answer:A
A single cylinder, four stroke cycle oil engine is fitted with a rope brake. The diameter of the brake wheel is 600 mm and the rope diameter is 26 mm. The dead load on the brake is 200 N and the spring balance reads 30 N. If the engine runs at 450 r.p.m., what will be the brake power of the engine?
A. 2 kW B. 2.5 kW C. 3 kW D. 3.5 kW
Explanation: Diameter of the brake wheel, Db = 600 mm = 0.6 m