| 1. | Lock nut in the micrometer is provided to ? | |
|
lock the micrometer when it is not in use
|
||
|
measure the workpiece accurately
|
||
|
control the movement of the spindle
|
||
|
lock the reading after setting it over the workpiece
|
||
View Answer
Discuss in Forum
Report Question| 2. | Zero error of a 50-75 mm out side micrometer can be checked with ? | |
|
feeler gauge
|
||
|
test piece
|
||
|
vernier height gauge
|
||
|
dial test indicator
|
||
| 3. | The spring types outside calipers are used along with steel rule. The accuracy of caliper is _________ ? | |
|
0.10 mm
|
||
|
0.50 mm
|
||
|
0.05 mm
|
||
|
0.01 mm
|
||
| 4. | If the zero graduation of the thimble division of an out side micrometer is below the datum line, when the measuring faces of the micrometer are in correct, the error is ? | |
|
negative error
|
||
|
none
|
||
|
positive error
|
||
|
zero error
|
||
| 5. | Which one of the following instrument is used to check the concentricity of the out side diameter ? | |
|
dial caliper
|
||
|
out side micrometer
|
||
|
dial test indicator
|
||
|
vernier caliper
|
||
| 6. | The principal of universal bavel protector is similar to that of ? | |
|
dial test indicator
|
||
|
vernier bavel protector
|
||
|
depth micrometer
|
||
|
none of the above
|
||
| 7. | Instrument for measuring work performed is called _______ ? | |
|
hygrometer
|
||
|
ergometer
|
||
|
anemometer
|
||
|
eudiometer
|
||
| 8. | The least count of a vernier out side metric micrometer is ? | |
|
0.1 mm
|
||
|
0.01 mm
|
||
|
0.001 mm
|
||
|
0.0001 mm
|
||
| 9. | To convert the linear motion of the plunger of a dial test indicator to the rotary motion of the pointer, which one of the following mechanism is used ? | |
|
rack and pinion mechanism
|
||
|
hydraulic mechanism
|
||
|
quick return mechanism
|
||
|
screw thread mechanism
|
||
| 10. | An out side micrometer has a negative error. The correct reading can be taken by ? | |
|
deducting the negative error in the actual reading
|
||
|
adding the negative error in the actual reading
|
||
|
deducting twice twice the negative error in the actual reading
|
||
|
adding twice twice the negative error in the actual reading
|
||