MACHINIST 3rd SEM MCQ QUESTION ANSWER - 7

 MACHINIST 3rd SEM MCQ QUESTION ANSWER - 7

91 Which formula is used to find the gear ratio for differential indexing?

A ( N x 40) x A

B (A x N)x 40/A

C 2 A x 40/A

D (A - N) x 40A

Correct Answer:- B (A x N)x 40/A

92 How any degree is possible to swive on the vertical head of a vertical milling?

A 15°              B 25°            C 35°               D 45°

Correct Answer:- D 45°

93 Which feed is given while sliding the column in vertical milling?

A Circular feed 

B Cross feed 

C Longitudinal feed 

D Vertical feed

Correct Answer:-  D Vertical feed

94 Which machine the spindle can be moved up an down?

A Vertical milling machine

B Horizontal milling machine

C Lathe machine 

D Shaping machine

Correct Answer:-  A Vertical milling machine

95 Why micro cartridges are used on boring bar in vertical milling machine?

A Final adjustment of tool

B Useful for fast roughing of bore

C Useful for large hole drilling

D Useful for step boring easily

Correct Answer:-  A Final adjustment of tool

96 Why the over arm is provided on horizontal milling machine?

A It reduce the vibration of table while milling

B It support the other end of arbor

C It guide the top end of elevating screw

D It support the knee

Correct Answer:-  B It support the other end of arbor

97 Which type of cutter holding device is generally used on horizontal milling machine?

A Long arbor 

B Collet chuck 

C Drill chuck 

D Three jaw chuckӨӨӨӨӨӨ

Correct Answer:- A Long arbor 

98 How many elements must be known in cut a helix or a spiral?

A 2           B 1           C 5            D 6

Correct Answer:- A 2   

99 What is the line generated by the progress and rotation of a point around a cylinder?

A Sprial      B Helix      C Bevel      D Taper

Correct Answer:- B Helix  

100 What is the maximum helix angle determined in helical gear?

A Obtue angle 

B Acute angle 

C Right angle 

D Reflex angle

Correct Answer:- B Acute angle

 

101 Which trigonometric ratio is determined the helix anfge for helical gear?

A Tan θ        B Sin θ          C Cosec θ          D Cos θ

Correct Answer:- D Cos θ

102 What is the name of cutter? 

A Side and Face milling cutter

B End mill cutter 

C Slab milling cutter 

D Shell and Mill cutter

Correct Answer:- C Slab milling cutter 

103 What is the part marked as 'X'? 

A Horizontal beam 

B Vertical beam 

C Horizontal sliding head 

D Vertical sliding head

Correct Answer:- A Horizontal beam 

104 Which type of indexing is used to cut the helical gear? 

A Direct indexing 

B Differential indexing 

C Angular indexing 

D Simple indexing

Correct Answer:- B Differential indexing 

105 What is the type of reamer? 

A Hand reamer with pilot 

B Machine reamer 

C Hand reamer 

D Jobber reamer

Correct Answer:- C Hand reamer