As a few have pointed out already, LOMCEVAK is incorrect in his statement regarding lack of torque effect from a turbo-prop. Furthermore, there appear to be some misunderstands about 'torque effect'.
Any engine driving a propeller will be subject to a torque reaction. The harder the propeller 'bites' into the air, the greater the torque. A change of torque will only occur if you alter the power delivered by the engine, or alter the load on the propeller. A further complication is that most turbo-props run at a constant rpm. With a piston engine you are usually not in a constant rpm band until the aircraft is already moving/airborne. Therefore a change in rpm will put an additional torque load on the engine as it tries to increase or decrease the propellers angular momentum. A big (heavy) prop accelerated from a low idle rpm to full speed will have a considerable torque effect (roll) on the airframe, and this is in addition to any of the gyroscopic or aerodynamic effects. Try the same on a Tucano say, with over 1000shp available, and you don't have the addition torque loading (roll) induced by the change in angular momentum of the constant speed, but still heavy, propeller.