1. The bell crank levers used in railway signalling arrangement are of third type levers.



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MCQ->The bell crank levers used in railway signalling arrangement are of third type levers.....
MCQ->The primary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the lengm of connecting rod to radius of crank)....
MCQ->The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the lengm of connecting rod to radius of crank)....
MCQ->You must sign your railway pass, write your name and age on it. According to the railway authorities, it becomes valid only after that. A. To make your railway pass valid, the railway authorities should… B. Without validating your railway pass, you cannot sign… C. To validate your railway pass, you must…....
MCQ->The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke)....
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