146. In metal cutting with a carbide tool, at the maximum recommended speed, the largest % of heat generated goes to be

1. 1. tool

   
   
   

   2. chip

   
   
   

   3. work

   
   
   

   4. tool post

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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147. A blind hole is better tapped with a tap having

1. 1. right hand flutes

   
   
   

   2. left hand flutes

   
   
   

   3. straight flutes

   
   
   

   4. no flutes

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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148. The teeth of both external and internal spur gears can be cut of

1. 1. milling machine

   
   
   

   2. gear shaping machine

   
   
   

   3. gear hogging machine

   
   
   

   4. gear shaving machine

   
   
   

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1. View Hint View Answer Discuss in Forum

   Chip takes away maximum heat otherwise surface finish of work piece would get spoiled and tool life decreases
   

   Correct Option: B

   Chip takes away maximum heat otherwise surface finish of work piece would get spoiled and tool life decreases
   

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149. Reamer is designed to have even number of flutes to

1. 1. Balance the cutting forces

   
   
   

   2. Conform to shop floor standard

   
   
   

   3. Enable measurement of the reamer diameter

   
   
   

   4. Help in regrinding of reamer

   
   
   

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1. View Hint View Answer Discuss in Forum

   Reamer always have even number of flutes to balance the cutting forces.
   

   Correct Option: A

   Reamer always have even number of flutes to balance the cutting forces.
   

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150. Match the following
     List-I
     A. Grinding
     B. Tapping
     C. Automatics
     D. Broaching
     List-II
     1. Compounded oil
     2. EP additive oil
     3. Chemical fluids
     4. Straight fatty oils

1. 1. A–3, B–4, C–1, D–2

   
   
   

   2. A–2, B–4, C–3, D–2

   
   
   

   3. A–2, B–4, C–1, D–3

   
   
   

   4. A–4, B–3, C–1, D–2

   
   
   

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1. View Hint View Answer Discuss in Forum

   A–3, B–4, C–1, D–2
   

   Correct Option: A

   A–3, B–4, C–1, D–2

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