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

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

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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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?

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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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?

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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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?

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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If the crank and the connecting rod are 300 mm and 1 m long respectively and the crank rotates at a constant speed of 250 r.p.m., determine the crank angle at which the maximum velocity occurs is ____

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If the maximum value occurs at 45 degrees then at which of the following angles in degrees will the swaying couple attains its maximum value again?

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On connecting a wheel through outside coupling rod, which utility comes of use?

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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If the crank and the connecting rod are 600 mm and 2 m long respectively and the crank rotates at a constant speed of 250 r.p.m, determine maximum velocity of the piston in m/s is _____

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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When the governor is too sensitive, then which of the following process occurs?

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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If OC is the crank and PC is the connecting rod of a reciprocating steam engine and rotates with uniform angular velocity in clockwise direction in the given figure below: then under which condition the piston will undergo retardation?

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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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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If c be the fraction of the reciprocating parts of mass m to be balanced per cyclinder of a steam locomotive with crank radius r, angular speed ω, distance between centre lines of two cylinders a, then the magnitude of the maximum swaying couple is given by

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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If OC is the crank and PC is the connecting rod rotating in clockwise direction in the figure given below, then triangle OCM is known as ________

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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If OC is the crank and PC is the connecting rod rotating in clockwise direction in the figure given below, then triangle OCM is known as _________

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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An Internal combustion engine has a connecting rod of mass 2 kg and the distance between the centre of crank and centre of gudgeon pin is 25 cm. The Center of Gravity lies at a point 10 cm from the gudgeon pin along the line of centres. The radius of gyration of this system about an axis through the Center of Gravity perpendicular to the plane of rotation is 11 cm. If two masses are used instead of the connecting rod, one at the gudgeon pin and other at the crank pin, if the angular acceleration of the rod is 23 000 rad/s^2, then find the correction couple in N-m.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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In coupled locomotives, the coupling rod cranks are placed diametrically opposite to the adjacent ________

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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In coupled locomotives, the driving wheels are connected to the leading and trailing wheel by an _______ coupling rod.

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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In coupled locomotives, where are the coupling rod cranks placed with respect to the main crank?

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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For a coupled locomotive, the driving wheels and the leading and trailing wheels are connected by an inside coupling rod.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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Coupling rods with connecting rods and pins can be treated as ________

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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When the shaft is not transmitting torque, which of the following phenomenon occurs?

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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When the length of the connecting rod is unknown then the value (θ2 –θ1)/2π is equal to ________

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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Force which does not act on the connecting rod is ______

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

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An Internal combustion engine has a connecting rod of mass 2 kg and the distance between the centre of crank and centre of gudgeon pin is 25 cm. The Center of Gravity lies at a point 10 cm from the gudgeon pin along the line of centres. The radius of gyration of this system about an axis through the Center of Gravity perpendicular to the plane of rotation is 11 cm. If two masses are used instead of the connecting rod, one at the gudgeon pin and other at the crank pin. What will be the new radius of gyration?

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

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