SACA 304 PNEUMATIC
TROUBLESHOOTING BLACKBOARD
EXAM(ACTUAL EXAM) WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+ 2026
Delayed oil delivery from a lubricator is probably the result
of a misadjustment or a __________.
Partially clogged pick-up tube
What can cause fast actuator speed assuming the actuator is
mounted horizontally?
Worn pressure regulator poppet
The __________ of a vacuum switch deforms based on the
amount of pressure applied to it.
Diaphragm
A rotary actuator does not move when pressure is applied.
Which of the following indicates the actuator has failed?
a. Air leakage can be heard at the inlet port
b. Actuator will not cycle in either direction after load is
disconnected
,c. None of the above
d. Actuator rotates freely using a wrench after the load is
disconnected
- Actuator will not cycle in either direction after load is
disconnected
If newly installed vacuum cups are damaging the material
being lifted. After checking supply pressure is correct, which
of the following is the next step you should do?
A. Measure pressure at vacuum
B. Examine material for an uneven surface
C. Verify that cup size is not too large
D. Inspect cups for cracks
Verify that cup size is not too large
In order to troubleshoot a PLC controlled pneumatic
machine sequence using PLC I/O indicators, what
information is essential?
Sequence chart
What symptom is likely to occur if a vacuum generator
pressure inlet becomes partially blocked?
decreased vaccum pressure
A vacuum switch converts a sensed pressure into a(n)
__________.
Electrical signal
, A partial blockage in the vacuum generator will result in
__________.
Low vacuum pressure
What is the most common method pressure switches use to
sense fluid pressure?
Diaphram
What number of pneumatic hoses are permitted to cross a
walkway?
0
A lubricator that is supplying too much oil to the system can
be noticed by __________.
Oil drips at the exhaust ports of components
Which of the following is the first step to determine if a flow
control valve's internal check valve is stuck open?
A. Open the needle valve completely and check for flow in
the metered direction
B. Close the needle valve completely and check for flow in
the metered direction
C. Disassemble the flow control valve to inspect check valve
D. Adjust the needle valve to different settings to determine
if it affects flow
Close the needle valve completely and check for flow in the
metered direction
TROUBLESHOOTING BLACKBOARD
EXAM(ACTUAL EXAM) WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+ 2026
Delayed oil delivery from a lubricator is probably the result
of a misadjustment or a __________.
Partially clogged pick-up tube
What can cause fast actuator speed assuming the actuator is
mounted horizontally?
Worn pressure regulator poppet
The __________ of a vacuum switch deforms based on the
amount of pressure applied to it.
Diaphragm
A rotary actuator does not move when pressure is applied.
Which of the following indicates the actuator has failed?
a. Air leakage can be heard at the inlet port
b. Actuator will not cycle in either direction after load is
disconnected
,c. None of the above
d. Actuator rotates freely using a wrench after the load is
disconnected
- Actuator will not cycle in either direction after load is
disconnected
If newly installed vacuum cups are damaging the material
being lifted. After checking supply pressure is correct, which
of the following is the next step you should do?
A. Measure pressure at vacuum
B. Examine material for an uneven surface
C. Verify that cup size is not too large
D. Inspect cups for cracks
Verify that cup size is not too large
In order to troubleshoot a PLC controlled pneumatic
machine sequence using PLC I/O indicators, what
information is essential?
Sequence chart
What symptom is likely to occur if a vacuum generator
pressure inlet becomes partially blocked?
decreased vaccum pressure
A vacuum switch converts a sensed pressure into a(n)
__________.
Electrical signal
, A partial blockage in the vacuum generator will result in
__________.
Low vacuum pressure
What is the most common method pressure switches use to
sense fluid pressure?
Diaphram
What number of pneumatic hoses are permitted to cross a
walkway?
0
A lubricator that is supplying too much oil to the system can
be noticed by __________.
Oil drips at the exhaust ports of components
Which of the following is the first step to determine if a flow
control valve's internal check valve is stuck open?
A. Open the needle valve completely and check for flow in
the metered direction
B. Close the needle valve completely and check for flow in
the metered direction
C. Disassemble the flow control valve to inspect check valve
D. Adjust the needle valve to different settings to determine
if it affects flow
Close the needle valve completely and check for flow in the
metered direction
