Related Questions

Consider the following statements for the pneumatic and hydraulic systems: 1. The normal operating pressure of pneumatic control is very much higher than that of hydraulic control. 2. In, pneumatic control external leakage is permissible to a certain extent, but there should no leakage in a hydraulic control. Which of the statements given above is/are correct?
The capacity of a pneumatic conveying system depends upon the
Pneumatic conveying is done under which of the mentioned conditions?
The fluidized state, occurring between the filtration of the fixed bed and the pneumatic conveying regime contains three different regimes. Which one of the following is not correct?
When two same masses travelling in opposite directions with different velocities collide perfectly elastically, their velocities ______
Two identical balls A and B collide head on elastically. If velocities of A and B, before the collision are +0.5m/s and -0.3m/s respectively, then the velocities after the collision, are ___________
The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is $$\frac{1}{2}$$, the velocities of separation of the balls will be equal to
If u1 and u2 are the velocities of two moving bodies in the same direction before impact and v1 and v2 are their velocities after impact, then coefficient of restitution is given by
‘u1’ and ‘u2’ are the velocities of approach of two moving bodies in the same direction and their corresponding velocities of separation are ‘v1’ and ‘v2’. As per Newton's law of collision of elastic bodies, the coefficient of restitution (e) is given by
Assertion (A): Pneumatic actuators are not as messy as hydraulic ones. Reason (R): Pneumatic suffer from leakages and inherent inaccuracies.