General Studies · Floor Puzzle

Six departments namely Electronics, Electrical, Mechanical, Computer Science, Aerospace and Chemical are on six different floors of the same building. The lowermost floor of the building is numbered 1, the floor above it is numbered 2, and so on till the topmost floor is numbered 6. No two departments are on the same floor. The Electrical Department is on the floor immediately above the Mechanical Department. The Computer Science Department is on the fourth floor. The Electronics Department is on an even-numbered floor. The Aerospace Department is on the first floor. The Electrical Department is not on the sixth floor. Which department is on the second floor?