One Question per Day on Synthetic Ammonia – Multiple Choice 252 (30/9–Friday, 2011)

Thread Content

This post was last edited by shanypr on 2011-9-30 at 16:57. Multiple-choice question: 1. When the pressure inside the liquid ammonia tank reaches ( ) MPa, it is necessary to activate the spray water system. (A) 1.5 (B) 1.4 (C) 1.6 (D) 1.7 2. Liquid NH3 storage tanks with a volume of 3.125 m3 or less belong to which category of pressure vessels? (A) 2 (B) 3 (C) 1 (D) Atmospheric pressure. The purpose of the daily quiz on basic knowledge of ammonia synthesis production is to review what we have already learned, to improve and strengthen everyone’s fundamental theoretical knowledge as they answer the questions, to help them remember what they know, to assist those who have forgotten in recalling that information, and to foster further discussion on controversial topics, thereby promoting common progress. The top 50 answerers will definitely receive a reward. Those who simply state the reasons for their choice will be given additional points as appropriate! Please reply with the answer hidden; otherwise it will be invalid. To hide and view the method: http://bbs.hcbbs.com/thread-492556-1-1.html-. Please do not edit after replying.