It's a futristic robot with programmed features and it sniffs out books. It attacks montag and doesn't like him.
The mechanical hound in "Fahrenheit 451" is a robotic creature programmed to track down and punish those who go against the societal norms of the dystopian world. It interacts with Montag by sensing his growing disillusionment with society, which causes it to target him as a threat.
Montag initially thinks he sees a person on the railroad tracks, but it turns out to be a mechanical hound.
A Mechanical Hound comes sniffing around the door as Montag is reading. The Mechanical Hound is a robotic beast programmed to track down and eliminate those who break the law.
After the Mechanical Hound stabs Montag in the leg with a needle containing anesthetic he destroys the Hound with the flamethrower he used to burn down his house.
Montag mistakes a deer for the Hound in Ray Bradbury's "Fahrenheit 451." The deer startles Montag with its sudden appearance, causing him to compare its eyes and movement to those of the mechanical Hound.
After the men leave, Montag hears the Mechanical Hound growling and lurking in the darkness outside his home. This indicates that the Hound is still a threat to him.
The Mechanical Hound smells like perfume to Montag. This unexpected smell alerts Montag to the fact that the Hound has been tampered with by Captain Beatty to track and catch him.
Montag is reading poetry just before the mechanical hound arrives. The hound's arrival should indicate to Montag that he is in trouble and that the authorities are aware of his subversive activities. His reaction is one of fear and paranoia as he realizes the seriousness of the situation he is in.
Because, the mechanical hound attacked it.
Montag thought the eyes of the Mechanical Hound were looking at him. He felt a sense of unease and felt like the Hound could see through him.
Because he was trapped and the mechanical hound was in the area
In Fahrenheit 451, the mechanical hound is ultimately destroyed by Montag, who uses a flamethrower to disable and destroy the robot.
In "Fahrenheit 451," the fireman named Montag turns the flamethrower on the mechanical hound, destroying it in self-defense as it is programmed to attack him.