Cylinder Block Specialist









No. of Questions= 10 




















     1. 

Machinist A says that torque plates should be attached to the block deck when cylinders are being bored.  Machinist B says that torque plates should be used when honing cylinders. Which machinist is correct?

        
    
        



    

    
















    
    
    

    


    

    

    
    
        a)
        
    Machinist A only
        
    



    

    

    
    
        b)
        
    Machinist B only
        
    



    

    

    
    
        c)
        
    Both Machinist A and B
        
    



    

    

    
    
        d)
        
    Neither Machinist A nor B
        
    



    
    

    

    
    







    
    
        

        








     2. 

Machinist A says that a sizing hone can be used to straighten a wavy cylinder.  Machinist B  says that a flexible hone should be used after the cylinder has been bored.  Which machinist 
is correct?

        
    
        



    

    
















    
    
    

    


    

    

    
    
        a)
        
    Machinist A only
        
    



    

    

    
    
        b)
        
    Machinist B only
        
    



    

    

    
    
        c)
        
    Both Machinist A and B
        
    



    

    

    
    
        d)
        
    Neither Machinist A nor B
        
    



    
    

    

    
    







    
    
        

        








     3. 

Machinist A says that a hone stone with a high grit number produces a rougher surface than 
does a hone with a lower grit number.  Machinist B says that the stone grit recommended for use with moly piston rings is 150.  Which machinist is correct?

        
    
        



    

    
















    
    
    

    


    

    

    
    
        a)
        
    Machinist A only
        
    



    

    

    
    
        b)
        
    Machinist B only
        
    



    

    

    
    
        c)
        
    Both Machinist A and B
        
    



    

    

    
    
        d)
        
    Neither Machinist A nor B
        
    



    
    

    

    
    







    
    
        

        








     4. 

A finished honed cylinder should have a maximum out of round and taper of ________.
        
    
        



    

    
















    
    
    

    


    

    

    
    
        a)
        
    0.0005 inch (0.013 millimeter)
        
    



    

    

    
    
        b)
        
    0.003 inch (0.096 millimeter)
        
    



    

    

    
    
        c)
        
    0.005 inch (0.127 millimeter)
        
    



    

    

    
    
        d)
        
    0.008 inch (0.20 millimeter)
        
    



    
    

    

    
    







    
    
        

        








     5. 

After the block is machined, all bolt holes should be ________.
        
    
        



    

    
















    
    
    

    


    

    

    
    
        a)
        
    Enlarged to the next size with a tap
        
    



    

    

    
    
        b)
        
    Chamfered
        
    



    

    

    
    
        c)
        
    Beveled
        
    



    

    

    
    
        d)
        
    Plugged
        
    



    
    

    

    
    







    
    
        

        








     6. 

Machinist A says that the piston ring grooves should be machined before installing 
replacement piston rings.  Machinist B says that pistons can be knurled to be used in worn 
cylinders.  Which machinist is correct?

        
    
        



    

    
















    
    
    

    


    

    

    
    
        a)
        
    Machinist A only
        
    



    

    

    
    
        b)
        
    Machinist B only
        
    



    

    

    
    
        c)
        
    Both Machinist A and B
        
    



    

    

    
    
        d)
        
    Neither Machinist A nor B
        
    



    
    

    

    
    







    
    
        

        








     7. 

A full-floating piston pin should have about how much clearance?
        
    
        



    

    
















    
    
    

    


    

    

    
    
        a)
        
    No clearance - should be press-fit
        
    



    

    

    
    
        b)
        
    No clearance - should be interference fit
        
    



    

    

    
    
        c)
        
    0.0005 inch (0.013 millimeter)
        
    



    

    

    
    
        d)
        
    0.002 inch (0.05 millimeter)
        
    



    
    

    

    
    







    
    
        

        








     8. 

Machinist A says that all connecting rods should be checked for twist.  Machinist B says that forged connecting rods cannot be straightened if bent.  Which machinist is correct?

        
    
        



    

    
















    
    
    

    


    

    

    
    
        a)
        
    Machinist A only
        
    



    

    

    
    
        b)
        
    Machinist B only
        
    



    

    

    
    
        c)
        
    Both Machinist A and B
        
    



    

    

    
    
        d)
        
    Neither Machinist A nor B
        
    



    
    

    

    
    







    
    
        

        








     9. 

Machinist A says that powdered metal connecting rods can be reconditioned using the same 
method as that used for standard cast rods.  Machinist B says that all connecting rods of the 
same engine can be interchanged.  Which machinist is correct?

        
    
        



    

    
















    
    
    

    


    

    

    
    
        a)
        
    Machinist A only
        
    



    

    

    
    
        b)
        
    Machinist B only
        
    



    

    

    
    
        c)
        
    Both Machinist A and B
        
    



    

    

    
    
        d)
        
    Neither Machinist A nor B
        
    



    
    

    

    
    







    
    
        

        








     10. 

When the big end of a connecting rod is resized, ________.
        
    
        



    

    
















    
    
    

    


    

    

    
    
        a)
        
    The center-to-center dimension of the rod is lengthened slightly
        
    



    

    

    
    
        b)
        
    The center-to-center dimension of the rod is shortened slightly
        
    



    

    

    
    
        c)
        
    The diameter of the big end is reduced by about 0.003 inch (0.08 millimeter)
        
    



    

    

    
    
        d)
        
    The diameter of the big end is increased by about 0.003 inch (0.08 millimeter)
        
    



    
    

    

    
    







    
    
        

        


















Go to top of quiz


    
© Prentice Hall 2004