LA diesel engine has a bore of D=110 mm and the stroke S= 130 mm (S=2r a clearance volume of 110 cm³, the length of the connecting rod is L=235 mm and its center of gravity is at 185 mm from the axis of the small end. The mass of the piston assembly is mpa=4.45 kg and the mass of the connecting rod is mg=3.71 kg. knowing that at O= 380° and at engine speed of 2800 rpm the cylinder pressure is 5.9 MPa and the crankcase pressure is 0.1 MPa. Calculate: to vatomibse 1. The angular velocity of the crank. o omil a a. 230.36 rad/s b. 209.44 rad/s c. 159.12 rad/s d. 293.2 rad/s e. 240.85 rad/s 2. The piston distance measured from TDC. tu a. 125.03 mm b. 65.67 mm c. 4.97 mm d. 68.51 mm e. 12.28 mm 3. The acceleration of the piston at TDC a. 0.0 m/s? b. 7135.63 m/s2 c. 4653.6 m/s? d. -2523.94 m/s? e. -2547.78 m/s?

LA diesel engine has a bore of D=110 mm and the stroke S= 130 mm (S=2r a clearance volume of 110 cm³, the length of the connecting rod is L=235 mm and its center of gravity is at 185 mm from the axis of the small end. The mass of the piston assembly is mpa=4.45 kg and the mass of the connecting rod is mg=3.71 kg. knowing that at O= 380° and at engine speed of 2800 rpm the cylinder pressure is 5.9 MPa and the crankcase pressure is 0.1 MPa. Calculate: to vatomibse 1. The angular velocity of the crank. o omil a a. 230.36 rad/s b. 209.44 rad/s c. 159.12 rad/s d. 293.2 rad/s e. 240.85 rad/s 2. The piston distance measured from TDC. tu a. 125.03 mm b. 65.67 mm c. 4.97 mm d. 68.51 mm e. 12.28 mm 3. The acceleration of the piston at TDC a. 0.0 m/s? b. 7135.63 m/s2 c. 4653.6 m/s? d. -2523.94 m/s? e. -2547.78 m/s?

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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