Primary and secondary couple
Q. Which of the following statements is/are true primary/secondary couple?
1. Secondary couple does not act on V engine
2. Primary couple acts on V engine
3. Secondary couple acts on reciprocating masses of multi-cylinder inline engines
4. Primary couple acts on reciprocating masses of multi-cylinder inline engines- Published on 11 Sep 15a. 1 and 2
b. 2, 3 and 4
c. 1, 3 and 4
d. All of the above
ANSWER: 1, 3 and 4