Question32:-Ina 3/2 Directional control valve
‘Ac3 represents number of positions and 2 represents number of ports
B:-3 represents number of ports and 2 represents number of positions
೦-3 represents the type of actuator and 2 represents number of positions
D-None of the above
Correct Answer:- Option ®
Question33:-The compressed air has the advantage
‘AcCan be stored easily
Bs-Airis available anywhere
High speed operation
D-All of the above
Correct Answer:- Option-D
Question34:-n a single acting pneumatic cylinder
കന്നം compressed air is applied in one side of the piston
B:-The compressed air is applied in two sides ofthe piston
C-The system has single cylinder
D-None of the above
Correct Answer:- Option-é
Question35:-The absolute viscosity is
‘AcKinematic viscosity x mass density
B:-Kinematic viscosity/mass density
ടേ density’Kinematic viscosity
D-None of the above
Correct Answer:- Option-é
Question36:-Example of positive displacement pump
‘A-Gear pump
B:-Piston pump
೦-೫೧೬ pump
D-All the above
Correct Answer:- Option-D
Question37:-Disadvantage of Hydraulic system
Ac Maintenance cost
B:-Leakage
CoFire hazard
D-All the above
Correct Answer:- Option-D
Question38:-In Redwood Viscometer, the viscosity can be measured by measuring the time to fill a flask with volume equal to
കാസ
B:-200 mi
50%
0:60 mi
Correct Answer:- Option-C
Question39:-Valve switching positions are represented by
AcCircles
B:-Squares
1)
D-None of the above
Correct Answer:- Option ®
Question40:-Example for valve actuation method

AcLever operated