In coupled locomotives, the coupling rod cranks are placed diametrically opposite to the adjacent ________
(a) Driving cranks
(b) Driving rods
(c) Driving piston
(d) Driving valves
I got this question by my college director while I was bunking the class.
My doubt stems from Balancing of Coupled Locomotives & Secondary Forces of Multi-cylinder Inline Engines in division Balancing of Reciprocating Masses of Machine Dynamics