Which of the following is the correct expression for secondary force?

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If the secondary couple polygon is open and the force polygon is closed then stability is achieved.

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A V-twin engine has the cylinder axes at 90 degrees and the connecting rods operate a common crank. The reciprocating mass per cylinder is 23 kg and the crank radius is 7.5 cm. The length of the connecting rod is 0.3 m. If the engine is rotating at the speed is 500 r.p.m. What is the value of maximum resultant secondary force in Newtons?

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A V-twin engine has the cylinder axes at 90 degrees and the connecting rods operate a common crank. The reciprocating mass per cylinder is 11.5 kg and the crank radius is 7.5 cm. The length of the connecting rod is 0.3 m. If the engine is rotating at the speed is 500 r.p.m. What is the value of maximum resultant secondary force in Newtons?

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A V-twin engine has the cylinder axes at 90 degrees and the connecting rods operate a common crank. The reciprocating mass per cylinder is 34.5 kg and the crank radius is 7.5 cm. The length of the connecting rod is 0.3 m. If the engine is rotating at the speed is 500 r.p.m. What is the value of maximum resultant secondary force in kN?

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For the secondary balancing of the engine, which of the condition is necessary?

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In a multicylinder inline engine, each imaginary secondary crank with a mass attached to the crankpin is inclined to the line of stroke at which angle?

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When the connecting rod is too long, secondary forces arise due to reciprocating masses.

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The numerical values of the secondary forces and secondary couples couples may be obtained by considering the ___________

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At which of the following angles in degrees does the tractive force attains a minimum value?

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At which of the following angles in degrees does the tractive force attains a maximum value?

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If the mass of the reciprocating parts is doubled, then the primary force is halved.

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Tractive force attains a maxima or minima when the crank angle is 90 degrees.

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Tractive force is produced due to unbalanced forces perpendicular to the line of stroke of action.

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The resultant unbalanced force due to the two cylinders, along the line of stroke, is known as ______

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The effect of an unbalanced primary force along the line of stroke is to produce ________

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The effect of an unbalanced primary force perpendicular to the line of stroke is to produce _____

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Hammer blow is along the line of stroke of the unbalanced force.

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The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is

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The tractive force is maximum or minimum when the angle of inclination of the crank to the line of stroke ( θ ) is equal to

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Due to partial balancing there is unbalanced force only along the line of stroke.

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For a V-twin engine, which of the following means can be used to balance the primary forces?

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If the connecting rod is not too long, then which of the following phenomenon occurs?

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At which of the following angles in degrees does the swaying couple attains a maximum value?

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Which of the following has a tendency to sway engine in alternately in clockwise and anticlockwise directions?

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