| 1 |
In DC generator, the brushes are always placed
|
Along the geometric Neutral Axis (GNA)<br>
Along the magnetic Neutral Axis (MNA)<br>
Perpendicular of MNA<br>
Perpendicular to GNA<br>
|
| 2 |
In electric machines, laminated cores are used with a vie4w to reduce the
|
Friction loss <br>
Copper loss <br>
Eddy current loss <br>
Hysteresis loss<br>
|
| 3 |
It is difficult to magnetise steel because of its
|
Low permeability <br>
High retentivity <br>
High Permeability <br>
High density <br>
|
| 4 |
Crater wear takes place in single point cutting tool at
|
Flank <br>
Rake <br>
Both Flank & Rake <br>
Side <br>
|
| 5 |
Which of the following machines utilities fly cutters?
|
Milling machine <br>
Planner<br>
Lathe machine <br>
Shaper<br>
|
| 6 |
The feeding of a job in planner is done by?
|
Table movement<br>
Tool movement <br>
Ram movement <br>
Movement of a clapper box<br>
|
| 7 |
A fluorescent tube contains
|
Argon <br>
Nitrogen<br>
Neon
Oxygen<br>
|
| 8 |
An optical gauge working on the principle of
|
Interference of light <br>
Reflection <br>
Dispersion <br>
Polarisation<br>
|
| 9 |
A plug guage is used to measure the
|
Pitch of thread <br>
Angles <br>
Bores of cyclinders<br>
Flatness <br>
|
| 10 |
The efficiency of an air- conditioning plant is expressed by?
|
Percentage<br>
Temperature<br>
C.P.O
Tonnes<br>
|
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