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

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This couple has swaying effect about a horizontal axis.

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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?

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

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

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An aeroplane makes a complete half circle of 50 metres radius, towards left, when flying at 200 km per hr. The rotary engine and the propeller of the plane has a mass of 400 kg and a radius of gyration of 0.3 m. The engine rotates at 2400 r.p.m. clockwise when viewed from the rear. Find the gyroscopic couple on the aircraft.

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

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The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be

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

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The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of the gyroscopic couple on the aeroplane will be

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

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The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the right. The effect of gyroscopic couple on the aeroplane will be to dip the nose and raise the tail.

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

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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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A ship propelled by a turbine rotor which has a mass of 5 tonnes and a speed of 2100 r.p.m. The rotor has a radius of gyration of 0.5 m and rotates in a clockwise direction when viewed from the stern. Find the gyroscopic effect when the ship sails at a speed of 30 km/h and steers to the left in a curve having 60 m radius.

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

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Assuming that a vehicle is taking a left turn, The gyroscopic couple acting on the vehicle has a tendency to _____ the inner wheels and ____ the outer wheels.

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

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In order to facilitate the starting of locomotive in any position, the cranks of a locomotive, with two cylinders, are placed at ______________ to each other.

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

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In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as

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

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