167-189

: What is the defect caused if the tool is not set to the correct centre height while facing?

• Convex face

• Concave face |

• Pip left in the centre

• Pip left in the centre

Which angle of the tool prevents from getting jammed in the groove and causes breakage?

• : Side rake angle

• Side relief angle

• Side clearance angle

• Side clearance angle

Which tool materials are manufactured by powder metallurgy technique?

• Carbides

• High speed steel |

• High carbon steel

• : High carbon steel |

What is the de-merit of 3 jaw chuck? |

• Work can be set with ease

• : Internal and external jaws are available

• Accuracy decreases |

• : Accuracy decreases

What is the maximum swiveling angle of the compound rest in the lathe machine?

• 90°

• : 180°

• : 220°

• 220°

Which type of thread is used in screw jack?

• : Vee thread

• Acme thread

• Knuckle thread

• : Knuckle thread

: Calculate the blank size for external threading M16 x 2.0

• 14.0 mm

• 15.8 mm

• : 16.0 mm

• 16.0 mm

Which is the vertical distance from crest to the root?

• Lead

• Flank

• Pitch

• Depth

: Which gauge is used to compare the profile of thread?

• Plug gauge

• : Feeler gauge

• Radius gauge |

• Radius gauge

: What type of cutting tool used in mass production?

• : Solid tools

• : Brazed tools

• Throw away type tools

• Throw away type tools