ISA Certified Control Systems Technician (CCST)
Level I Exam ACTUAL VERIFIED EXAM COMPLETE
QUESTIONS AND CORRECT ANSWERS LATEST
UPDATE THIS YEAR.pdf 1||NEWEST EXAM!!!
If a current of 9mA is flowing through a 250 ohm resistor,
what would be the voltage drop across the resistor?
A. 12.5 volts
B. 22.5 volts
C. .225 volts
D. 2.25 volts - Answer-D. 2.25 volts
What is the preferred orientation to use when installing a
magnetic flowmeter?
A. Vertical, downward flow
B.Horizontal, upward flow
C. Vertical, upward flow
D. Horizontal, downward flow - Answer-C. Vertical, upward
flow
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What pressure, in psi, would be indicated by a properly
calibrated absolute pressure gage that is lying on a
workbench at sea level not connected to anything?
A. 0
B. 29
C. 14.7
D. 2.9 - Answer-C. 14.7
A gage pressure of 195 psi is roughly what in psia?
A. 151
B. 164
C. 178
D.210 - Answer-D. 210
Which of the following will have the highest pressure
difference between the surface and 6 inches below the
surface?
A. a 12in. vertical straw filled with water
B. a 10ft. diameter open tank filled with water
C. a 5ft. diameter vertical pipe filled with water
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D. None of the above, because the pressure difference is
the same - Answer-D. None of the above, because the
pressure difference is the same
Good manufacturing practice recommends that a test
instrument be _______ times more accurate than the unit
under test.
A.2
B.4
C.6
D.8 - Answer-B. 4
When troubleshooting a 4-20 mA transmitter, you discover
the transmitter is powering off at 100% output. What is the
most likley cause?
A. Too much resistance in the loop
B. Too little resistance in the loop
C. Excessive current in the loop
D. Excessive voltage in the loop - Answer-A. Too much
resistance in the loop
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The statement; "Thermocouple extension wires must have
the same thermo-electric properties as the thermocouple
that they are used with," is:
A. True if the extension wires are submerged in the
process fluid.
B. True in most installations
C.False. Extension wires must be made from either
copper or brass.
D. False. The type of extension wier makes no difference -
Answer-B. True in most installations
Hydrostatic head is another way of expressing:
A. Gallons
B. Pressure
C. Length
D. Mass - Answer-B. Pressure
Dividing the density of the process fluid by the density of
____ gives a dimensionless number called specific gravity.
A. mercury or mercury vapors
B. oil or natural gas
C. water or air