What term describes the tubes located in the firebox that transfer water from the steam drum to the mud drum?
A) Risers
B) Downcomers
C) Superheater
D) Desuperheater
Answer: B
Explanation: A) Incorrect. Risers are tubes that go into the side or top of the steam drum and allow heated water and steam to flow up from the mud drum.
B) Correct. Downcomers are tubes located in the firebox that transfer water from the steam drum to the mud drum.
C) Incorrect. The superheater is a set of tubes, located near the boiler outlet, which increase (superheat)the temperature of the steam.
D) Incorrect. A desuperheater is a system designed to control the temperature of steam leaving a boiler by using water injection through a control valve.
You might also like to view...
What economic and natural forces impacted farmers in the late 19th century?
What will be an ideal response?
In the EN-DC Architecture (e.g., Option 3x) deployment, the NR RACH configuration is sent in _________.
A. the (NR) RRC Reconfiguration message directly from the gNB B. the (NR) RRC Reconfiguration message, which is encapsulated in (LTE) RRC Connection Reconfiguration message from the eNB C. (NR) SIB1 from the gNB over the PBCH D. (NR) SIB2 from the eNB over the PBCH
What wavelengths of light control the photoperiodic response in plants?
What will be an ideal response?
Modern nutrient management is designed to:
A) protect or improve environmental quality. B) protect or improve soil quality. C) conserve nutrient resources. D) cost-effectively produce quality plants. E) all of the above