https://www.geekmcq.com/

Engineering :: Production Engineering

481.  Which of the following does not represent the number of slip gauges in a metric set?
A. 45 B. 65
C. 88 D. 103
E. 110    
482.  Which surfaces are usually 'wrung' together?
A. Gears B. Threads
C. Drill shanks and collets D. Bed guides for lathe
E. Slip gauges    
483.  Which of the following material is cut at the lowest cutting speed?
A. Brass B. Copper
C. High carbon steel D. Mild steel
E. Aluminium    
484.  Which of the following material is cut at the highest cutting speed?
A. Copper B. Brass
C. Alloy steel D. High carbon steel
E. Cast iron    
485.  Burnishing operation is done with the help of
A. Abrasives B. Dielectrics
C. Balls D. Lubricating oils
E. Any of the above    
486.  For cylindrical grinding the peripheral speed will be of the order of
A. 18000 m/min B. 9000 m/min
C. 1800 m/min D. 800 m/min
E. 180 m/min    
487.  Which of the following is an interference fit?
A. Running fit B. Sliding fit
C. Push fit D. Light keying fit
E. Shrink fit    
488.  Which of the following is a clearance fit?
A. Push fit B. Sliding fit
C. Press fit D. Driving fit
E. Force fit    
489.  A 30 mm diameter is being machined when the chuck is revolving at 100 rpm. The cutting speed is nearly
A. 30 metres per minute B. 40 metres per minute
C. 50 metres per minute D. 60 metres per minute
E. 70 metres per minute    
490.  A work piece of 100 mm diameter is to be machined at a cutting speed of 100 metres per minute. The rpm of the work piece should be
A. 100 B. 159
C. 200 D. 318
E. 636    

Read more:

© 2012-2024 by GeekMCQ™ Technologies. All Rights Reserved | Copyright | Terms of Use & Privacy Policy

Contact us: info@geekmcq.com