Why fire engine is red in colour?BCoz fire engine has ladder.ladder has steps..steps r a foot long and is measured by a ruler.a ruler can be a king Or a queen.Elizabeth was the queen of england. Elizbeth was also the name of a ship. Ship floats on water. Water has fish. Fishes hav fins. Fins r people from Finland.The national flag of finland is red. so fire engine is red in color.. THIS IS ENGINEERING STUDENTS PATTERN OF WRITING EXAM.