SACA 304 PNEUMATIC
TROUBLESHOOTING BLACKBOARD
EXAM 2026/2027 WITH PREP
QUESTIONS AND 100% CORRECT
ANSWERS | ALREADY GRADED A+ |
GUARANTEED PASS | SACA 304
PNEUMATIC TROUBLESHOOTING
BLACKBOARD LATEST EXAM
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
,*Which of the following is the best test to use to determine if a pilot operated DCV
is actually shifting if the cylinder/load it controls will not move?
A. Listen for air flow at exhaust ports when valve is operated
B. Listen for spool shift when activated
C. Remove valve from subplate and observe movement when operated
D. Disconnect hoses from valves actuator ports and observe air flow from valve
actuator ports when valve is manually operated
Disconnect hoses from valves actuator ports and observe air flow from valve
actuator ports when valve is manually operated
Which of the following are air plant distribution systems designed to achieve?
A. Minimize contamination in air
B. Lubricate air evenly
C. Minimize condensed water in branch lines
Minimize condensed water in branch lines
A noisy regulator may be caused by __________.
Air escaping from the vent port
Which of the following problems would not be a cause of erratic actuator
movement?
A. excessive water in filter bowl
B. worn cylinder bearings
C. Load misalignment
, D. worn pressure regulator poppet
worn pressure regulator poppet
If a rotary actuator does not move when pressure is applied to its inlet, which of the
following indicates that the actuator has failed?
A. Pressure differential across actuator inlet and outlet is high when attempting to
cycle actuator with load connected
B. Air leakage can be heard at actuator inlet port
C. Actuator shaft rotates freely using a wrench after load is disconnected
D. Actuator will not cycle after load is disconnected
Actuator will not cycle after load is disconnected
*Which of the following should be your next step if one of three pneumatic
cylinders of a PLC controlled machine is moving slowly? The three cylinders are
controlled separately by three DCV's mounted to the same manifold.
A. Check for low system pressure
B. Use manual overrides on DCV
C. Check flow control valve settings
D. Attach pressure gauges to cylinder ports
Check flow control valve settings
If a PLC controlled pneumatic powered machine stops on step 3 of a 5 step
sequence, what is the next check that should be made to troubleshoot the problem?
All power indicators and displays show normal.
TROUBLESHOOTING BLACKBOARD
EXAM 2026/2027 WITH PREP
QUESTIONS AND 100% CORRECT
ANSWERS | ALREADY GRADED A+ |
GUARANTEED PASS | SACA 304
PNEUMATIC TROUBLESHOOTING
BLACKBOARD LATEST EXAM
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
,*Which of the following is the best test to use to determine if a pilot operated DCV
is actually shifting if the cylinder/load it controls will not move?
A. Listen for air flow at exhaust ports when valve is operated
B. Listen for spool shift when activated
C. Remove valve from subplate and observe movement when operated
D. Disconnect hoses from valves actuator ports and observe air flow from valve
actuator ports when valve is manually operated
Disconnect hoses from valves actuator ports and observe air flow from valve
actuator ports when valve is manually operated
Which of the following are air plant distribution systems designed to achieve?
A. Minimize contamination in air
B. Lubricate air evenly
C. Minimize condensed water in branch lines
Minimize condensed water in branch lines
A noisy regulator may be caused by __________.
Air escaping from the vent port
Which of the following problems would not be a cause of erratic actuator
movement?
A. excessive water in filter bowl
B. worn cylinder bearings
C. Load misalignment
, D. worn pressure regulator poppet
worn pressure regulator poppet
If a rotary actuator does not move when pressure is applied to its inlet, which of the
following indicates that the actuator has failed?
A. Pressure differential across actuator inlet and outlet is high when attempting to
cycle actuator with load connected
B. Air leakage can be heard at actuator inlet port
C. Actuator shaft rotates freely using a wrench after load is disconnected
D. Actuator will not cycle after load is disconnected
Actuator will not cycle after load is disconnected
*Which of the following should be your next step if one of three pneumatic
cylinders of a PLC controlled machine is moving slowly? The three cylinders are
controlled separately by three DCV's mounted to the same manifold.
A. Check for low system pressure
B. Use manual overrides on DCV
C. Check flow control valve settings
D. Attach pressure gauges to cylinder ports
Check flow control valve settings
If a PLC controlled pneumatic powered machine stops on step 3 of a 5 step
sequence, what is the next check that should be made to troubleshoot the problem?
All power indicators and displays show normal.
