| 1 |
Glass is made of:
|
Sand & Silicate <br>
Quartz & Mica <br>
Sand & Sitl <br>
None of these <br>
|
| 2 |
In electron discharge machining cutting tools are usually made of:
|
High sped steel <br>
Tool steel <br>
Carbide-tripped tool <br>
Graphite<br>
|
| 3 |
In lathe machine taper turning can be done by:
|
Set over arrangement <br>
Taper turning attachment <br>
Swiveling compound rest <br>
All of the above <br>
|
| 4 |
Which among the following is an element:
|
Alumina <br>
Brass <br>
Graphite <br>
Silica <br>
|
| 5 |
At what point the centigrade and the Fahrenheit te4mperatures are the same:
|
10 degree <br>
0 degree <br>
-10 degree <br>
-40 degree <br>
|
| 6 |
Which of the following is a vector quantity?
|
Force <br>
Temperature <br>
Energy <br>
Momentum <br>
|
| 7 |
Which among the following is a chemical change?
|
A wet towel dries in the sun <br>
Lemon juice added to tea causing colour to change<br>
Coffee is brewed brewed by passing steam through ground coffee <br>
Hot air rises over a radiator <br>
|
| 8 |
Optic fibres are mainly used for:
|
Weaving<br>
Communication <br>
Musical instrument <br>
Food industry<br>
|
| 9 |
Electric current in a metal wire is due to due to the flow of:
|
Protons <br>
Electrons <br>
Ions <br>
None of these<br>
|
| 10 |
The coating of a thin layer of zinc on steel on iron object is known as:
|
Galvanising<br>
Hot dipping <br>
Tinning <br>
Electroplating <br>
|
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