MACHINIST 3rd SEM MCQ QUESTION ANSWER - 12

 MACHINIST 3rd SEM MCQ QUESTION ANSWER - 12

 MACHINIST 3rd SEM ALL QUESTION ANSWER 

186 Which device enables crash prevention on different types of CNC machines?

A Encoder - dish position sensors

B Servo motor 

C Control computer 

D Comparator

Correct Answer:- A Encoder - dish position sensors

187 What is the expansion of MDI in CNC? 

A Mannual Data Input 

B Managing Diet Instruction

C Maintain the Data Instruction

D Machine Development in Industry

Correct Answer:- A Mannual Data Input 

188 Which is axis of spindle in CNC lathe? 

A X axis 

B Y axis 

C Z axis 

D 4th axis

Correct Answer:- C Z axis 

189 Which mode allows an operation to check the program by executing only one program block at a time?

A Single block mode 

B MDI mode 

C Edit mode 

D Auto mode

Correct Answer:- A Single block mode 

190 Which is the input of CNC lathe? 

A Microphone 

B Control panel 

C Joy stick 

D Mouse

Correct Answer:- B Control panel 

191 What is 'F' for the given block G01 X20 Y50 F120?

A Function 

B Feed back 

C Feed 

D Frequency

Correct Answer:- C Feed 

192 Which is the control developed by siemens company?

A Usage 

B Allen 

C Mazatrol 

D Sinumeric

Correct Answer:- D Sinumeric

193 What is the simulation process in a CNC machine?

A Planning function 

B Implementing function

C Verification activity 

D Correcting function

Correct Answer:- C Verification activity 

194 How the simulation take place in CNC machine?

A By hardware device 

B Through a software 

C Through machined device

D Through electric device

Correct Answer:- B Through a software

195 Which offset is used to adjust the machined size become x 40.44mm instead of programmed size x 40.49 reduced 0.04 mm?

A Work offset 

B Geometrical offset 

C Wear offset 

D Tool offset

Correct Answer:- C Wear offset 

196 What is the explanation of program N005G01 X 5Z-30?

A Taper turning for the length of 30 mm

B Tool returns out to its initial position

C Tool is moving towards left by 30 mm

D Against, infeed of 5 mm in given

Correct Answer:- A Taper turning for the length of 30 mm

197 Which traverse 'X' 60 mm as per technical specification of CNC machine?

A Saddle movement 

B Head movement 

C Column movement 

D Turret movement

Correct Answer:- A Saddle movement 

198 What is the mode to check the effectiveness of the program?

A Dry run 

B Jog mode 

C Edit mode 

D Single block mode

Correct Answer:- A Dry run 

199 Which is the start of program in address / numeric key?

       A                           B                          C                           D                      

                                         

Correct Answer:- A 

200 What is the symbol identity? 

A Spindle stop / Start

B Feed stop / Start 

C Single block 

D Direction keys

Correct Answer:- A Spindle stop / Start