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A 4 cylinder petrol engine operates on the 4-stroke cycle. The bore of each cylinder is 70mm and stroke 100mm. The clearance volume per cylinder is 60cm3. At a speed of 4000rpm, the fuel consumption is 20 kg /h and the torque talk developed is 150 Nm. Determine
(i) The brake mean effective pressure.
(ii) The brake power
(iii) The brake thermal efficiency if calorific value of the fuel is 44000 kJ/kg.
(iv) The relative efficiency on a brake power basis assuming the engine works on constant volume cycle.
a.The closest point to discharge treated effluent is a lake, but the pipeline is extended so it discharges into the river draining the lake. This allows a conventional secondary tr
(a) Explain different types of frames. Compare their merits and demerits. Diagram and illustrate a frameless construction. (b) Illustration briefly the constructional features o
Q. The area of the hysteresis loop of a given magnetic material is 50cm 2 with the two axes scaled as 1cm = 20AT and 1cm = 50mWb, for 50Hz frequency find the total hysteresis
limitations of euler''s theory
A thin spanwise symmetrical wing has an aspect ratio of 10 and a straight edges with taper ratio (tip chord / root chord) of 0.8 and root chord of 1 m. This wing does not have geo
Dismantle crank case and explode main shaft , counter shaft, gear shifter drum and kick spindle assembly and check sequence of parts fitment while dismantling: Check all gear teeth
Reversible and irreversible processes: Thermodynamic system which is capable of restoring the original state of it by reversing the factors responsible for occurrence of proc
what is part proliferation and how to reduce it ?
priming and foaming
At a fixed point in a strained material the intensities of normal stress on the planes at right angles to each other are 20 N/mm 2 and 10 N/mm 2 . Evaluate the principal stresses
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