Sample Automotive Machining Operator

Q1

chips for steel and aluminium can be stored in the yard ????? ?? ??????????? ?? ????? ?? ????? ??? ???? ??? ?? ???? ??

mixed ?? ???
separately ???-???
Can not say ?? ???? ????
none of these ????? ?? ??? ????

Correct Answer : b. separately ???-???

Q2

slot for a fork ( shackle, yoke ) should specify this type of tolerance to ensure assembly ??????? ??? ????? (????,???) ?? ????? ?? ????????? ???? ?????

position ??????
symmetry with MMC MMC ?? ???????
flatness ????????/??????
none of these ????? ?? ??? ????

Correct Answer : b. symmetry with MMC MMC ?? ???????

Q3

measurements for the job are recorded on ????? ?? ??? ??? ???? ???? ??? ?? .... ??? ??????? ???? ???? ??

drawing ???????
Inspection report ???????? ???????
log book ??? ???
none of these ????? ?? ??? ????

Correct Answer : b. Inspection report ???????? ???????

Q4

Backlash is measured by ?????? ?? ???? ???? ??

Linary Encoder ????? ??????
Rotary Encoder ????? ??????
Laser Inferometer ???? ???????????
Recirculating Ball srew ??????????????? ??? ??????

Correct Answer : c. Laser Inferometer ???? ???????????

Q5

Which of the following is not a property of cutting tools? ?????????? ??? ?? ??? ?? ????? ????? ?? ??? ??? ???

Hardness ??????
Wear Resistance ???? ??????????
Toughness ????
Hot Softness ??? ????????

Correct Answer : d. Hot Softness ??? ????????

Q6

measurements for the job are recorded on ????? ?? ??? ??? ???? ???? ??? ?? .... ??? ??????? ???? ???? ??

drawing ???????
Inspection report ???????? ???????
log book ??? ???
none of these ????? ?? ??? ????

Correct Answer : b. Inspection report ???????? ???????

Q7

Machine can be adjusted or set by . ???? ????? ?????? ???????? ?? ??????? ???? ?? ???? ???

supervisor ?????????
machine setter ???? ????
operator ??????
helper ??????

Correct Answer : b. machine setter ???? ????

Q8

R & R must be done for the person who is deciding acceptance / rejection R & R ?? ??????? ?? ??? ???? ???? ?? ?? ???????? / ????????? ?? ?????? ???? ??

Not needed ????? ????
true ???
sometimes ???-???
none of these ????? ?? ??? ????

Correct Answer : b. true ???

Q9

Delicate Jobs must be handlled with an special trays / bins to avoid damage to critical surfaces ????? ??????? ?? ????? ????/????? ??? ????? ???? ????? ????? ?? ?????????? ????? ?? ?????? ? ??????

YES ???
NO ????
Can not Say ?? ???? ????
none of these ????? ?? ??? ????

Correct Answer : a. YES ???

Q10

Spindle Speed for Machining center is always specified in ??????? ?????? ?? ??? ???? ??? ????? ????????? ?? ???? ??

Surface Feet ????? ???
RPM ??????
Inches Per Minute ??? ????? ????
Inches Per Revolution ????? ?? ????????

Correct Answer : d. Inches Per Revolution ????? ?? ????????

Q11

A part has tolerance for Shaft dia ( 35 +0 /- 0.05 ) - Actual dimension observed is 34.94 - Action to be taken ?? ?????? ?? ????? ???? ?? ??????? ( 35 +0/- 0.05 ) ??- ???????? ???? ???? ??? ?? 34.94- ???????? ?? ???? ?????

Accept ??????? ????
Reject ???????? ????
Rework ??? ?? ??? ????
none of these ????? ?? ??? ????

Correct Answer : b. Reject ???????? ????

Q12

To perform Lathe Operation On the CNC Lathe __________________ CNC ??? ??? ??? ?????? ???? ?? ??? ___________________

2-D Programming is Sufficient 2-?? ???????????? ???????? ??
3-D Programming is Mandatory 3-?? ???????????? ???????? ??
1-D Programming is sufficient 1-?? ???????????? ???????? ??
none of these ????? ?? ??? ????

Correct Answer : a. 2-D Programming is Sufficient 2-?? ???????????? ???????? ??

Q13

Some cutting fluids can be used for all materials of machinery- Aluminium, Cast iron, Steel ??? ????? ???????? ?? ?????? ?? ?? ??????? - ???????????, ????? ????, ????? ??? ???????? ???? ?? ???? ??

Cannot say ?? ??? ????
TRUE ???
FALSE ???

Correct Answer : c. FALSE ???

Q14

The Purpose of a feedback device in a CNC machine tool is to provide information of ?? ?????? ???? ??? ??? ?????? ?????? ?? ???????? ????? ??????? ?????? ???? ???

Speed ???
Displacement ????????
Operation Time ?????? ????
Both Speed and Displacement ??? ?? ???????? ?????

Correct Answer : d. Both Speed and Displacement ??? ?? ???????? ?????

Q15

A CNC machine find widest applications in the field of ?? ?????? ???? ______________ ?? ??????? ??? ?????? ????????? ?????? ??

Batch Production ??? ???????
Mask Production ????? ???????
Non-Conventional Machining ???-???????? ???????
none of these ????? ?? ??? ????

Correct Answer : a. Batch Production ??? ???????

Q16

Which mode is used for keying in a new part program inside the CNC? ?????? ?? ???? ?? ?? ????? ????????? ??? ?????? ?? ??? ??? ??? ?? ????? ???? ???? ???

Start Mode ??????? ???
Reference Mode ??????? ???
JOG Mode JOG ???
Edit Mode ???? ???

Correct Answer : d. Edit Mode ???? ???

Q17

The Basic Length unit (BLU) for the drive is ?????? ?? ??? ????? ???? ????? (BLU) ??

10 Microns 10 ?????????
20 Microns 20 ?????????
100 Microns 100 ?????????
200 Microns 200 ?????????

Correct Answer : a. 10 Microns 10 ?????????

Q18

CNC Lathes are widely used for Machining ?????? ??? ?????? ??? ?? ??????? ?? ??? ????? ???? ???? ??

Aluminium Parts ??????????? ???????
Sheet Metal ??? ????
Heavy Components ???? ???
All of the above ????? ?? ???

Correct Answer : c. Heavy Components ???? ???

Q19

Feed is measured in units of ???? ?? ??????? ??? ???? ???? ??

Degree/Revolution ??????/????????
Length/Revolution ??????/????????
Length ??????
Velocity ???

Correct Answer : b. Length/Revolution ??????/????????

Q20

If you follow inspection frequency of 1 in 10 and you find a piece out of limits you will ??? ?? 10 ??? 1 ?? ???? ???? ??? ?? ???? ??? ?? ?? ??? ??? ???? ?? ?? ?? ???? ???????

throw the part ?????? ?? ???? ?????
Check all 10 pieces made prior to this in reverse sequence ???? ????? ?? ??? 10 ??? ?? ????? ??? ?? ???? ???
check some pieces at random ??? ??? ?? ???? ?? ?? ???? ?????
none of these ????? ?? ??? ????

Correct Answer : b. Check all 10 pieces made prior to this in reverse sequence ???? ????? ?? ??? 10 ??? ?? ????? ??? ?? ???? ???