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Engineering :: Production Engineering

541.  Which of the following operation cannot be carried out on a lathe machine?
A. Knurling B. Blanking
C. Double start screw cutting D. Taper turning
E. Facing    
542.  Duration which operation on a lathe machine, the spindle speed is usually the least?
A. Finish turning B. Parting off
C. Knurling D. Drilling
E. Rough turning    
543.  The standard taper provided on the tapered shank of drills is known as
A. Chapman taper B. Morse taper
C. Jarno taper D. Taper No. 1
E. None of the above    
544.  For simple turning operation of lathe, the cutting speed is specified as 70 metres per minute. The cutting tool may be expected to be
A. Carbon steel B. Mild steel
C. Higher speed steel D. Carbide
E. Diamond    
545.  The processes used for the machining of sintered and tungsten carbide is
A. Grinding process B. Electroforming process
C. Explosive forming process D. Turning process
E. None of the above    
546.  The relief angle for high speed steel tools is usually
A. 1? to 3? B. 3? to 10?
C. 11? to 15? D. 16? to 30?
E. 30? to 60?    
547.  For aluminum casting to be turned on a lathe, which chuck would be preferred?
A. Three jaw self-centring chuck B. Four jaw independent chuck
C. Collet chuck D. Face plane
E. Pneumatic chuck    
548.  Trepanning tool is used on
A. Lathes B. Planers
C. Milling machine D. Cold heading machine
E. Power presses    
549.  Trepanning operation is used for
A. Bevelling the edges B. Finishing the ends of the job
C. Cutting grooves D. Producing large holes
E. Under cutting    
550.  The common ratio for geometrical speeds in geometrical progression lies between
A. 5.0 to 10.0 B. 2.0 to 5.0
C. 1.0 to 2.0 D. 0.5 to 0.9
E. 0.1 to 0.5    

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