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(a) An engine uses 6.5 Kg of oil per hr of a calorific value 30,000 kJ / kg. If the B. P. of the engine is 22KW and mechanical efficiency 85%.
Calculate
(i) Brake thermal efficiency
(ii) Internal thermal efficiency
(iii) Specific Fuel consumption in Kg./ Bhp/ hr.
(b) A gas turbine plant with a pressure ratio of 1:5 takes in air at 150C. The maximum temperature is 6000C and develops 2200 KW. The turbine and compressor efficiencies are same to 0.85 take ep=1, ev=0.714. Evaluate the actual over all efficiency of the turbine. Mass of the air circulated by the turbine.
show that energy is property of system
STORAGE AND HANDLING OF ELECTRODES It is recommended that the electrodes should be stored in a warm and dry place. Generally, conditions of storage in the shop are not very condu
Volume fraction of fibres: The epoxy material is prepared to be stressed to its full strength. What must be volume fraction of fibres? Solution Here σ′ = 1200 MPa,
Question: A 4- pole DC motor is operated as a separately excited motor. When the motor is externally driven at 1800 rpm with rated field current and zero armature current,
eraser
Stress-strain carves for ductile materials: A material is said to be ductile in nature, if it elongates before fracture. One this type of material is mild steel. Shape of stre
describe advantages of limitation and effect of cold working?
Friction: you have learnt laws of friction and problems involving dry friction. The relative sliding motion of one body on another body is resisted by forces called as frictio
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Q. Selection of metallic materials? This Engineering Practice has been written to assist those involved in the construction of new equipment and for the maintenance of existing
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