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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 bump/impact test is a simple technique used to determine a structure’s natural frequency. Sketch a typical time wave response curve of such a test, then label the impact point an
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sketch and discuss the uses and application of the following types of cam follower;knife edge,roller and flat ended.
Determine the ratio between moment and load: Any close coiled helical spring of circular section extends 1 mm while subjected to an axial load of W and then given an angular r
A horizontal line ABCD measuring 9m is acted upon by forces of magnitude 400, 600, 400 and 200 N at points A, B, C, D respectively with downward direction. These point are so locat
A mix of spherical particles of different sizes is to be separatedinto two size ranges by passing a liquid of density 1200 kg m-3 and viscosity 0.0015 Pa s upward through the mixtu
Standard for the specific standard technical areas These norms are based on previously described models. Typical categories of these norms are: (a) drafting, which describe
Q. What is Extrusion defects? • Surface cracking - When the surface of an extrusion splits. This is often caused by the extrusion temperature, friction, or speed being too high
Q. Selection of Electrodes and Filler Metals? Only low hydrogen electrodes shall be used for SMAW of all carbon and low alloy steels, except for root pass welding of single wel
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