In your opinion, is the truck positioned correctly within the curve?

In sharp curves it is necessary to “cut” through the curve, in order to reduce the centrifugal force (the force that acts on the vehicle while it turns).

When there is no other vehicle in the curve it is possible to be positioned anywhere within it.

When driving on a sharp curve, it is required to stay in it as shortly as possible; hence his position is correct.

No, the truck driver is not keeping to the right of the road and his position presents a risk to any vehicle coming from the opposite direction.