SSC JE Mechanical Engineering 2018 Set 5 Solved Paper

INCORRECT for the shafts connected in series to each other
If two or more shaft of different material, diameter or basic forms are connected together in such a way that each carries the same torque, then the shafts are said to be connected in series & the composite shaft so produced is therefore termed as series - connected.
T=T1+T2 and θ1=θ2 both