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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 block whose weight is 36.0 N rests on a horizontal table. A horizontal force of 35 N is applied to the block. The coefficients of static & kinetic friction are 0.650 and 0.420, r
What are the factors responsible for the development of newer tool materials. Explain several materials used for cutting tools. List four kinds of tool wear.
Convert the following readings of pressure to KPa absolute, assuming that the barometer reads 760mm Hg: (a) 100 psig, (b) 8in. Hg vacuum, and (c) 76in Hg gage.
Q. Design an Evaporator System? The Evaporator System is designed to produce high quality distillate. The feed water to the evaporator system is dosed with antiscalant and rece
With the help of neat diagrams explain various parts of Cupola. Define its operation. How the thermal efficiency of Cupola calculated? What do you mean by Die casting process? G
(a) What is the function of a clutch in an automobile? Illustrate the principle of friction clutches with the help of neat diagrams. (b) Discuss the working and construction of
Determine the force: Determine the force P needed to start block B illustrated in Figure moving to the right if the coefficient of friction is 0.3 for all surfaces of contact.
Q. Design Pumps for plant layout? Pumps handling flammable or combustible materials are relatively frequent sources of leakage and should therefore be located as far as practic
Corollaries of first law of thermodynamics: First law of thermodynamics has significant corollaries. Cor ollary 1: (First Law for process). There exists property of
A vessel is in the shape of a truncated cone having diameter of 1 meter at the top and 2 meter at the bottom and height 2 meter. If it is fully filled with water determine the upwa
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