Q2/ A six-cylinder, gasoline engine operates on the four-stroke cycle. The böre of each cylinder is 80 mm and the stroke is 100 mm. The clearance volume per cylinder is 70 cc. At the speed of 4100 rpm, the fuel consumption is 5.5 gm/sec (or 19.8 kg/hr.) and the torque developed is 160 Nm. Calculate: (1) Brake power, (ii) The brake mean effective pressure, (iii) Brake thermal efficiency if the calorific

Q2/ A six-cylinder, gasoline engine operates on the four-stroke cycle. The böre of each cylinder is 80 mm and the stroke is 100 mm. The clearance volume per cylinder is 70 cc. At the speed of 4100 rpm, the fuel consumption is 5.5 gm/sec (or 19.8 kg/hr.) and the torque developed is 160 Nm. Calculate: (1) Brake power, (ii) The brake mean effective pressure, (iii) Brake thermal efficiency if the calorific

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

Q2/ A six-cylinder, gasoline engine operates on the four-stroke cycle. The bore of each cylinder is 80
mm and the stroke is 100 mm. The clearance volume per cylinder is 70 cc. At the speed of 4100 rpm,
the fuel consumption is 5.5 gm/sec (or 19.8 kg/hr.) and the torque developed is 160 Nm. Calculate:
(1) Brake power, (ii) The brake mean effective pressure, (iii) Brake thermal efficiency if the calorific
value of the fuel is 44000 kJ/kg and (iv) The relative efficiency on a brake power basis assuming the
engine works on the constant volume cycle = 1.4 for air.
thon tected the following observations available :

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