Take For Air: Cp 1 kJ/kg.K, Cv = 0.714 kJ/kg.K, k= 1.4, R = 0.287 kJ/kg.K. p=1.18 kg/mQ1: Choose the Proper Answer for EACH of the followings:(i)The under-square engine is the engine where:(a) Bore = Stroke.(b) Bore > Stroke.(c) Bore < Stroke.(ii) The supercharger takes its motion from the:(a) Exhaust gases.(b) Crankshaft.(c) Flywheel.(iii) The clearance volume is the volume of the combustion chamber when the piston is exactly:(a) in the TDC.(b) in the BDC.(c) aTDC.(iv) The rate of fuel consumed for generating engine power in a specific time is the:(a) BSFC.(b) OPD.(c) BMEP.(v) The change in volume that occurs during combustion is called:(a) Compression Ratio.(b) Cut-Off Ratio.(c) Pressure Ratio.(vi) The mixture is said to be fuel rich when the equivalence ratio is:(a) Ø > 1.(b) Ø < 1.(c) Ø = 1.(vii) The temperature above which the fuel starts to ignite is the:(a) Boiling Temperature.(b) Self-Ignition Temperature.(c) Flash Temperature.(viii) The overlap angle in the valve timing cycle is:(а) 1. V.O — E. V.O.(b) I.V.O + E.V.O.(c) I.V.O + E.V.C.02: A 4-stroke, 4-cylinder, 2.5 liter, SI engine operates on 3000 RPM. The engine has a compression ratio of8.6:1, a mechanical efficiency of 86%, and an indicated power of 103 kW. Calculate: (i) Cylinder clearancevolume. (ii) Brake mean effective pressure. (iii) Output per displacement.Q3: A race car burns nitromathane (CH;NO2) with air at an equivalence ratio of 1.1 assuming all nitrogen in fuelends up as N2. Determine the AF ratio and the percentage analysis of the combustion products.04: The following data concerns a 4-stroke engine: I.V. opening period = E.V. opening period, I.V.C. = 56°ABDC, E.V.O. = 47° BBDC, and the overlap angle = 33°. Calculate: all the missing angles, and theopening period. Then, draw the valve timing diagram.

As the student posted multiple question, but as per the guidelines, I can solve only first question.…

Choose the Proper Answer for EACH of the followings: i) The under-square engine is the engine where: (a) Bore = Stroke. (b) Bore > Stroke. (c) Bore < Stroke. %3D ii) The supercharger takes its motion from the: (a) Exhaust gases. (b) Crankshaft. (c) Flywheel. iii) The clearance volume is the volume of the combustion chamber when the piston is exactly: (a) in the TDC. (b) in the BDC. (c) aTDC. iv) The rate of fuel consumed for generating engine power in a specific time is the: (a) BSFC. (b) OPD. (c) BMEP. The change in volume that occurs during combustion is called:

Choose the Proper Answer for EACH of the followings: i) The under-square engine is the engine where: (a) Bore = Stroke. (b) Bore > Stroke. (c) Bore < Stroke. %3D ii) The supercharger takes its motion from the: (a) Exhaust gases. (b) Crankshaft. (c) Flywheel. iii) The clearance volume is the volume of the combustion chamber when the piston is exactly: (a) in the TDC. (b) in the BDC. (c) aTDC. iv) The rate of fuel consumed for generating engine power in a specific time is the: (a) BSFC. (b) OPD. (c) BMEP. The change in volume that occurs during combustion is called:

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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