Preview Questions Control Systems Technician | Role Specific Skill

Question 1: What is the primary concern when performing contact resistance testing on switchgear contacts?

Which action should you take?

Choose only one option

Checking for any excessive current flowing through the contacts

Ensuring the switchgear is rated for high current loads

Verifying the contact resistance is below a threshold value

Ensuring that the contacts are free from corrosion and pitting

Question 2: What is the primary function of a differential pressure transmitter in a control system?

Which action should you take?

Choose only one option

To provide an output proportional to the distance

To measure flow rate

To detect changes in process temperature

To measure the difference in pressure across two points

Question 3: In a pneumatic instrument system, what type of signal is typically used to transmit control commands?

Which action should you take?

Choose only one option

A 3-15 psi signal

A 4-20 mA signal

A 0-10 V signal

A frequency-modulated signal

Question 4: In an analytical instrument system, what is the purpose of a gas chromatograph?

Which action should you take?

Choose only one option

To measure the concentration of gases in a sample

To regulate the flow of gases based on real-time measurements

To detect temperature changes in a sample

To separate and analyze compounds in a sample

Question 5: What is the primary concern when performing an open-circuit test on a transformer?

Which action should you take?

Choose only one option

Verifying that the transformer is connected properly

Ensuring that the output voltage is within specified limits

Measuring the core loss under no-load conditions

Checking the insulation resistance of the windings

Question 6: In PLC programming, how can you create redundancy in a system for critical applications?

Which action should you take?

Choose only one option

By using only digital sensors in the system

By using a manual override for all critical processes

By setting up a primary/secondary input-output system

By using a redundant PLC system or backup relay