MACHINIST 3rd SEM MCQ QUESTION ANSWER - 2

 MACHINIST 3rd SEM MCQ QUESTION ANSWER - 2


16 Which part of the tool and cutter grinding machine on that wheel head is being mounted?

A Base 

B Saddle 

C Table 

D Column

Correct Answer:- D Column


17 What is the remedy to remove the black and shining face of grinding wheel?

A Changing of wheel 

B Truing of wheel 

C Dressing of wheel 

D Balancing of wheel

Correct Answer:- C Dressing of wheel 


18 Why centre gauge is provided on tool and cutter grinding?

A For centering the wheel spindle and cutter edges

B For align the table to the spindle axis

C For reduce the wheel speed

D For fast metal removal

Correct Answer:- A For centering the wheel spindle and cutter edges


19 Which part is used to support each individual tooth of cutter in correct position on tool and cutter grinder?

A Compound rest 

B Steady rest 

C Tool rest 

D Tooth rest

Correct Answer:- D Tooth rest


20 What happened if tool little clearance is provided on milling cutter?

A Chattering produced 

B No heat produced 

C Good surface finish 

D Bad surface finish

Correct Answer:- D Bad surface finish


21 What is the recommended range of secondary clearance angle on milling cutter?

A 1° to 3°    B 4° to 7°    C 8° to 12°    D 15° to 25°

Correct Answer:- D 15° to 25°


22 What is the recommended range of clearance angle for H.S.S cutter while milling cast iron?

A 28° to 37°      B 15° to 25°     C 4° to 7°     D 1° to 5°

Correct Answer:- C 4° to 7° 


23 Which work holding device is used on tool and cutter grinder for grinding the periphery and bevelled edges on it?

A Face mill grinding attachment

B Taper turning attachment

C Slotting attachment 

D Grinding attachment

Correct Answer:- A Face mill grinding attachment


24 Which attachment is designed for holding work to any desired compound angle?

A Universal vice 

B Angular sine vice 

C Positive indexing attachment

D Motor drive arrangement

Correct Answer:- A Universal vice 


25 Which grinding attachment is specially designed for enable the work up to a length of 750 mm?

A RH and LH extension tail stock

B Universal vice 

C Positive indexing attachment

D Tap relieving sharpening attachment

Correct Answer:- A RH and LH extension tail stock


26 Which attachment is designed for grinding the land of a tap?

A Radius wheel turning attachment

B Angular sine vice 

C Tap relieving and Sharpening attachment

D Milling attachment

Correct Answer:- C Tap relieving and Sharpening attachment


27 Which attachment is used for precision grinding of angular parts?

A Motor drive attachment 

B Positive indexing attachment

C Universal vice 

D Angular sine vice

Correct Answer:- D Angular sine vice


28 Which letter used for represent for datum for indicating geometrical tolerance?

A G        B M         C B         D A

Correct Answer:- D A


28 What is the definition of "GD and T'? 

A Geometrical Deviations and Tolerances

B Geometrical Dimensioning and Tolerances

C Geometrical Drawing and Techniques

D Geometrical Drawing and Tolerances

Correct Answer:- B Geometrical Dimensioning and Tolerances


29 What is the symbol used for to check the flatness?

A     

B    



Correct Answer:- D 


30 What is the accuracy of depth micrometer? 

A 0.5 mm    B 0.001 mm     C 0.01 mm      D 0.05 mm

Correct Answer:- C 0.01 mm

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