FY->Module-6 : THREAD CUTTING - Practice Mode

1) Which material is suitable for button die chaser?

Low strength material High strength material H.S.S H.C.S

Correct Answer: Low strength material

2) Which is the angle of inclination in the thread to the imaginary perpendicular line?

Acute angle Right angle Helix angle Obtuse angle

Correct Answer: Helix angle

3) Which method is non metallic threads are produced?

Thread milling Thread casting Thread grinding Thread chasing

Correct Answer: Thread casting

4) Find the gear required to cut 3 mm pitch in a lathe having a lead screw of 6 TPI gear available from 20 to 120 teeth by 5 teeth with a special gear of 127 teeth?

Driver 90 teeth Driven 127 teeth Driver 60 teeth Driven 20 teeth Driver 127 teeth Driven 90 teeth Driver 20 teeth Driven 60 teeth

Correct Answer: Driver 90 teeth Driven 127 teeth

5) Which is main criteria to increase the tool life?

Feed Depth of cut Material Cutting speed

Correct Answer: Cutting speed

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