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Engineering :: Production Engineering

531.  Which of the following centre is used for holding hollow jobs on a lathe?
A. Square centre B. Half centre
C. Oil groove centre D. Pipe centre
E. Revolving centre    
532.  Which of the following is an accessory for lathe?
A. Lead screw B. Tail stock
C. Steady rest D. Tool post
E. Head stock    
533.  Which of the following chucking device can be used on lathe?
A. Dog carrier B. Face plate
C. Collets D. Mandrel
E. All of the above    
534.  A steady rest is used for
A. Long jobs B. Irregular jobs
C. Large diameter jobs D. Threading jobs
535.  Lathe bed is usually made of
A. Mild steel B. Cast iron
C. High speed steel D. Alloy steel
E. Satellite    
536.  A pair of tumbler gears is used in
A. Centre lathe B. Shaper
C. Milling machine D. Grinding machines
E. Capstan lathe    
537.  A step cone pulley is provided on a lathe to
A. Reduce power consumption B. To reverse the spindle rotation
C. To change spindle speeds D. To drive the lead screw
E. For taper turning    
538.  A steady rest is used
A. During threading operation B. During finishing operation
C. During taper turning D. For supporting the bed
E. While cutting heavy and log jobs    
539.  A right hand tool on lathe machine will cut efficiently while cutting
A. From left to right B. From right to left
C. In either direction D. Taper
E. Grooved jobs    
540.  Which of the following is an accessory for lathe machine?
A. Lead screw B. Cone pulley
C. Tool post D. Coolant pump
E. None of the above    

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