The swaying couple is due to the

The swaying couple is due to the Correct Answer primary unbalanced force

The unbalanced forces along the line of stroke for the two cylinders constitute a couple. This couple has swaying effect about a vertical axis, and tends to sway the engine alternately in clockwise and anticlockwise directions. Hence the couple is known as swaying couple.
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Related Questions

The magnitude of swaying couple due to partial balance of the primary unbalancing force in locomotive is
The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to
The maximum or minimum value of the swaying couple is
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
The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke ( θ ) is equal to
This couple has swaying effect about a horizontal axis.
At which of the following angles in degrees does the swaying couple attains a maximum value?
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?
Swaying couple attains a maxima or minima when the crank angle is 45 degrees.
The diffusion couple shown below is made from two A-B alloys. The initial compositions of the two alloys are indicated in the diagram. The centreline is at x = 0. The couple is held at an elevated temperature for 40 hours. Diffusivity; D = 3 × 10-11 m-2 s-1. Assume the diffusion couple to be infinitely long.
Physical Metallurgy mcq question image
Which of the parameters give the composition profile in the following form?
$$C\left( {x,t} \right) + {c_1} + {c_2}\,erf\left( {\frac{1}{{2\sqrt {Dt} }}} \right)$$