DC Seal Oil Pump Operation

What is the objective of having procedures for responding to adverse conditions in a plant?

To eliminate the need for manual control by operators
To ensure continuous production without interruptions
To provide guidelines for dealing with common equipment failures (correct)
To reduce the workload of plant personnel

Why must plant operators be well versed in plant blackout procedures?

To understand how power failures affect plant equipment (correct)
To avoid any manual intervention during power failures
To minimize the impact of power failures on production
To eliminate the need for standby power and generators

What is an important consideration for operators during an electrical power failure?

Identifying the positions of various control valves for future reference
Knowing how to restart equipment after power is restored (correct)
Knowing which equipment is fed by uninterrupted power
Understanding the impact of power failures on standby power systems

Why is it important for operators to know how to manually start a standby generator?

To have a backup plan if the generator fails to start automatically (C) Signup and view all the answers

What is the purpose of the DC seal oil pump mentioned in the text?

To keep hydrogen coolant inside large alternators (C) Signup and view all the answers

What could be a cause of loss of water level in the boiler?

Failure of the boiler feedwater pump (B) Signup and view all the answers

What should be done if a condensate transfer pump fails, resulting in low deaerator level?

Start the standby boiler feedwater pump (B) Signup and view all the answers

What action should be taken if a leak is suspected in the boiler?

Close the pilot and main test firing valves (D) Signup and view all the answers

What should be done if the boiler water level is below the lowest visible part of the gauge glass?

Shut the boiler down, let it cool slowly, and do not add water to restore the water level (A) Signup and view all the answers

What should be done if there is an inadequate pilot flame during the ignition period?

Contact a certified burner technician or Class A gas fitter to adjust the pilot to manufacturer specifications (D) Signup and view all the answers

What causes an unstable main flame in a boiler?

Excessive fuel pressure, inadequate fuel pressure, or excessive combustion air (A) Signup and view all the answers

What should be done if there is a flame failure during boiler operation?

Shut the pilot and main test firing valves and investigate the cause of failure (D) Signup and view all the answers

What happens to valves when a power failure occurs in a power plant?

They go to a fail-safe position, some failing open and others failing shut (A) Signup and view all the answers

What should the operator do immediately on power failure if the fire in the boiler is not out?

Ensure that the main and pilot test firing valves are closed (B) Signup and view all the answers

What does an Emergency Power Supply System (EPSS) in a power plant provide?

Long-term power to essential loads with automatic transfer switches (D) Signup and view all the answers

What is the purpose of a Uninterruptible Power Supply (UPS) in a power plant?

Maintains power to critical equipment at all times through a system of batteries and automatic transfer switches (C) Signup and view all the answers

What should be done if the fuel oil pressure remains inadequate after changing the fuel oil strainer?

Switch to the standby fuel oil pump (D) Signup and view all the answers

What can cause poor quality flames in air or steam-atomized burners?

Inadequate atomizing medium pressure (D) Signup and view all the answers

What should be done if the combustion air proving switch fails to shut down the burner when the forced draft fan fails?

Immediately shut the main and pilot test firing valves (B) Signup and view all the answers

What may be the problem if all normal operating parameters are met but the boiler fails to light off or has repeated flame failures?

Defective programmed combustion control or flame amplifier (A) Signup and view all the answers