RRB JE Mechanical Question Paper 2014 (Set-2) with Answers

Number 17 is like the given set of numbers.
This is because the given set of numbers contains all the prime numbers.

The camshaft is either chain or gear driven from the crankshaft. Because the engine is a four stroke, the camshaft will rotate at half the speed of the crankshaft. (the valves and fuel pump will only operate once for every two revolutions of the crankshaft).