MACHINIST 3rd SEM MCQ QUESTION ANSWER - 8

 MACHINIST 3rd SEM MCQ QUESTION ANSWER - 8

106 What is ratio of taper pin hand reamer? 

A 1:50 

B 1:40 

C 1:30 

D 1:20

Correct Answer:- A 1:50 

107 What is the part marked as 'X'? 

A Face 

B Flute 

C Heel 

D Cutting edge

Correct Answer:- C Heel 

108 Which type of reamer used to finish the holes for fitting taper pins on taper holes?

A Taper reamer 

B Rose reamer 

C Machine jig reamer 

D Taper pin machine reamer 

Correct Answer:- D Taper pin machine reamer

109 Which part is ensure positive drive of the drill from the drill spindle?

A Shank 

B Tang 

C Neck 

D Point angle

Correct Answer:- B Tang 

110 Where is engraved diameter and other particular of the drill? 

A Shank 

B Tang 

C Neck 

D Face 

Correct Answer:- C Neck 

111 Which part is held and driven the drill? 

A Neck 

B Tang 

C Heel 

D Shank

Correct Answer:- D Shank

112 What is the lip clearance angle in drill? 

A 15⁰

B 12⁰

C 18⁰

D 118⁰

Correct Answer:- B 12⁰

113 Which milling machine is suitable for helical milling? 

A Horizontal milling machine

B Universal milling machine 

C Pantograph milling machine

D Vertical milling machine 

Correct Answer:- B Universal milling machine 

114 When you cut left hand helix which direction must be swivelled the table in the milling machine?

A Counter clock wise direction

B Clock wise direction 

C Table filting downward position

D Table at stable condition 

Correct Answer:- B Clock wise direction 

115 Calculate the real module in helical gear the pitch diameter (PD) is 100 mm and number of teeth 19.

A 5.00 mm 

B 0.19 mm 

C 5.26 mm 

D 20 mm

Correct Answer:- C 5.26 mm 

116 Which type of gear is used for high speed running and heavy duty gear drives?

A Spur gear 

B Helical gear 

C Angular gear 

D Worm and Worm gear

Correct Answer:- B Helical gear 

117 Why reamers have uneven spacing of teeth? 

A To be maintain the hole diameter

B To be cut excessive material 

C To be cut less material 

D To reduce chattering  

Correct Answer:- D To reduce chattering  

118 What is the name of the reamer used with several sizes of reamers in with one shank?

A Adjustable machine reamer

B Reamers with floating holders 

C Shell reamer 

D Chucking reamer

Correct Answer:- C Shell reamer 

119 Which is the law related to the given figure? 

A Ohm's law 

B Krichhoff's law

C Faraday's law 

D Lenz's Law

Correct Answer:- A Ohm's law 

120 What is the electrical property of an electrical circuit to oppose any change in the magnitude of current flow?

A Conductivity 

B Inductance 

C Insulation 

D Capacitance

Correct Answer:- B Inductance