Question 109Steam Plants - QMED70% to pass
The unit shown in the illustration is used as the _______________. Illustration SG-0025
AI Explanation
The correct answer is B) combined low pressure feed heater.
The illustration SG-0025 shows a component that is used as a combined low pressure feed heater in a steam propulsion system. This type of heater is used to increase the temperature of the feed water before it enters the boiler, improving the overall efficiency of the system.
The other options are incorrect because: A) a flash evaporator salt water feed heater is used to produce fresh water from seawater, C) a Butterworth feed heater is a specific type of low pressure feed heater, and D) a high pressure feed heater operates at a higher pressure than the combined low pressure feed heater shown in the illustration.
Related Questions
#107 A slight vacuum is maintained in the shell of the first stage heater shown in the illustration. The primary reason for the vacuum is to __ _. Illustration SG-0025 #108 The upper section of the feed water heater indicated by "G" in the illustration is used as the _. Illustration SG-0025 #110 What is the source of heat for a third stage feed heater (if fitted) while a vessel is underway under full load? #111 Which of the following modes of heat transfer does NOT require any physical contact between a warmer and a cooler substance? #112 By which of the listed methods may heat be transferred from one body to another?