Examine the following statements A small size hydraulic actuator can develop good torque.It is easy to maintain a hydraulic system leak proof.Both linear and rotatary hydraulic actuators are available.Hydraulic power is more easily available than electric power. Which of the above statements are correct?

Examine the following statements A small size hydraulic actuator can d

1.	Examine the following statements A small size hydraulic actuator can develop good torque.It is easy to maintain a hydraulic system leak proof.Both linear and rotatary hydraulic actuators are available.Hydraulic power is more easily available than electric power. Which of the above statements are correct?
A.	all
B.	1 and 2 only
C.	1 and 3 only
D.	2, 3 and 4 only
Answer» D. 2, 3 and 4 only