The net force acting on the crosshead pin is known as __________

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The crank-pin circle radius of a horizontal engine is 300 mm. The mass of the reciprocating parts is 250 kg. When the crank has travelled 30° from T.D.C., the difference between the driving and the back pressures is 0.45 N/mm^2. The connecting rod length between centres is 1.2 m and the cylinder bore is 0.5 m. If the engine runs at 250 r.p.m. and if the effect of piston rod diameter is neglected, calculate the net load on piston.

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. Find the mass located at gudgeon pin in Kg.

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. What will be the new radius of gyration?

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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Crank effort is the product of crank pin radius and _______

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

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Piston diameter = 0.24 m, length of stroke = 0.6 m, length of connecting rod = 1.5 m, mass of reciprocating parts = 300 kg, mass of connecting rod = 250 kg; speed of rotation = 125 r.p.m; centre of gravity of connecting rod from crank pin = 0.5 m ; Kg of the connecting rod about an axis through the centre of gravity = 0.65 m Find the equivalent length L of a simple pendulum swung about an axis.

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

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The controlling force acting on the governor is also known as ________

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Force which does not act on the connecting rod is ______

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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 _________

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In the figure given below, A and D are arbitrary masses placed Quantity L is known as _______

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

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In given figure, Triangle OCM is known as ________

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With respect to the figure given quadrilateral CQNO is known as _______

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Which of the following is incorrect regarding inertia force?

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If a force has a line of action at a distance h from the centre of gravity, then the value of h is given by _____

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

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When mass of the reciprocating parts is neglected then the inertia force is _____

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

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For the given data of an Internal combustion engine : Mass of parts = 180 kg bore = 175 mm, length of stroke = 200 mm, engine speed = 500 r.p.m., length of connecting rod = 400 mm and crank angle = 60° from T.D.C, find the inertia force.

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

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Inertia force and the reversed effective force are the same.

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Which of the following relation is correct regarding the net gyroscope couple C acting on a four wheel vehicle?

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

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Acceleration of any point D on the connecting rod is given by ________

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

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Velocity of any point D on the connecting rod is given by ________

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

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The correction couple does not depend on _________

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

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Inertia forces on the reciprocating parts acts along the line of stroke.

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

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Mass moment of inertia of two arbitrary masses placed will be same as the mass moment inertia of the rigid body.

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Inertia torque acts in the same direction as the accelerating couple?

asked Sep 21, 2022 in Machine Dynamics by Grayson (34.3k points)

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