[amp_mcq option1=”T-509″ option2=”T-369(3b)” option3=”T-806″ option4=”Simple memo” correct=”option1″]<\/p>\n
The correct answer is A. T-509.<\/p>\n
T-509 is a railroad signal that indicates that a train must stop before proceeding. It is a red light that is displayed at the approach to a crossing. When a T-509 signal is displayed, trains must come to a complete stop and wait for the signal to change to green before proceeding.<\/p>\n
B. T-369(3b) is a railroad signal that indicates that a train must proceed with caution. It is a yellow light that is displayed at the approach to a crossing. When a T-369(3b) signal is displayed, trains must slow down and be prepared to stop if necessary.<\/p>\n
C. T-806 is a railroad signal that indicates that a train can proceed through a crossing without stopping. It is a green light that is displayed at the approach to a crossing. When a T-806 signal is displayed, trains can proceed through the crossing at normal speed.<\/p>\n
D. A simple memo is a written communication that is used to convey information or instructions. It is typically used to communicate with employees or other members of an organization. A simple memo would not be used to indicate that a stop signal is to be passed in On position.<\/p>\n","protected":false},"excerpt":{"rendered":"
[amp_mcq option1=”T-509″ option2=”T-369(3b)” option3=”T-806″ option4=”Simple memo” correct=”option1″]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[693],"tags":[],"class_list":["post-24653","post","type-post","status-publish","format-standard","hentry","category-indian-railway","no-featured-image-padding"],"yoast_head":"\n