1) What is the name of the operation carried out in turning to remove burr and sharpness from the edge of the component?
Step turning
Grooving
Plain turning
Chamfering
Correct answer
Chamfering
2) Find out the spindle speed for turning dia 40 mm cast iron rod, if the cutting speed is 15 m/min?
100.3 rpm
109.4 rpm
219.3 rpm
119.3 rpm
Correct answer
119.3 rpm
3) What is the name of the operation?
Beveled shoulder
Filleted shoulder
Square shoulder
Undercut shoulder.
Correct answer
Undercut shoulder
4) What type of cutting tool is used in mass production?
Throw away type tools
Brazed tools
Solid tools
Inserted bits with holders
Correct answer
Throw away type tools
5) What is the name of the angle marked 'x' in the reamer?
Clearance angle
Rake angle
Flute angle
Helix angle
Correct answer
Helix angle
6) What is the name of the process of finishing the drilled hole?
Reaming
Counterboring
Countersinking
Spot facing
Correct answer
Reaming
7) Why hand reamers have the uneven spacing of teeth?
Increase the life of
Reduce chattering the tool
Increase the efficiency
Remove more metals
Correct answer
Reduce chattering the tool
8) What is the purpose of clearance angle in twist drill?
Prevent oversize holes
prevent friction of drill behind the cutting edges
Prevent rough holes
Prevent unequal angle of cutting edges
Correct answer
prevent friction of drill behind the cutting edges
9) What is the angle of countersinking for riveting?
80°
90°
75°
120°
Correct answer
75°
10) What is the reason for overheated drill while drilling?
Work is not rigidly held
Drill held not correctly
Flutes are Clogged with chips
Clearance angle is incorrect
Correct answer
Clearance angle is incorrect
11) What is the name of the operation to enlarge the hole for given depth?
Countersinking
Spot facing
Reaming
Counterboring
Correct answer
Counterboring
12) What will happen if the clearance angle of the drill is more?
Cutting edge will become weak
Cutting edge will be blunt
Cutting edge will not be sharp
Cutting edge will not cut material
Correct answer
Cutting edge will become weak
13) What will happen if the spindle running out of center while drilling?
Oversized holes are made
Drill will break
Drill make a rough hole
Drills are overheated
Correct answer
Oversized holes are made
14) Which gauge is used to compare the profile of thread?
Feeler gauge
Plug gauge
Radius gauge
Screw pitch gauge
Correct answer
Screw pitch gauge
15) What is the name of the element marked 'x' of the thread?
Lead
Pitch
Root
Flank
Correct answer
Pitch
16) Which term describes the axial advancement of the screw in one complete turn?
Flank
Depth
Lead
Pitch
Correct answer
Lead
17) Calculate the blank size for external threading M 16 x 2.0
14.0 mm
15.8 mm
16.0 mm
18.0 mm
Correct answer
15.8 mm
18) What is 'A' represents in grinding wheel specification 32A46H8V?
Grade
Type of bond
Grain size
Type of abrasive
Correct answer
Type of abrasive
19) What is the name of the defect if burr clogged in the pores of the grinding wheel?
Loading
Glazing
Dressing
Truing
Correct answer
Loading
20) What is to be done after mounting the new grinding wheel to run concentrically?
Dressing
Glazing
Truing
Loading
Correct answer
Truing
21) What is the name of the fit?
Interference fit
Shrinkage fit
Transition fit
Clearance fit
Correct answer
Clearance fit
22) What is the term of the algebraic difference between a size, to its corresponding basic size?
Deviation
Lower deviation
Upper deviation
Actual deviation
Correct answer
Deviation
23) What is the name of the gauge?
Snap gauge
Plain ring gauge
Double ended plug gauge
Progressive plug gauge
Correct answer
Double ended plug gauge
24)
20.008
0.005
0.008
19.995
Correct answer
0.008
25) What is the term used for the relationship exists between two mating parts?
Limit
Fit
Tolerance
Allowance
Correct answer
Fit
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