1 |
How will red flower appear, if it is seen through a green glass?
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Red <br>
Brown <br>
White <br>
Green<br>
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2 |
A diode is?
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Functions only in one direction<br>
Function in both the directions <br>
Does no function at all<br>
It gets damaged, when voltage is applied <br>
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3 |
Lever function on which of the following principles
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Crank-shaft <br>
joining rod<br>
Crank pin<br>
Cross head<br>
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4 |
In steam turbine the action of steam is
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Stable <br>
Dynamic <br>
Stable and dynamic <br>
Neither stable nor dynamic <br>
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5 |
In resistance heating, Highest working temperature is obtained form heating elements made of
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Nickel and copper <br>
Nichrome<br>
Silicon carbide <br>
Silver <br>
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6 |
To convert moving coil galvanometer into an ammeter, which of the following methods is used?
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Small resistance in series <br>
Small resistance in parallel<br>
High resistance in series <br>
High resistance in parallel <br>
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7 |
Minority carrier in P-type semiconductor is -
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Free electrons <br>
Free holes <br>
Holes and electrons both <br>
Hole minus electron<br>
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8 |
Pulley in a belt drive acts as
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Cylindrical pair <br>
Turning pair <br>
Rolling pair <br>
Sliding pair <br>
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9 |
While checked whit a multimeter, an open resistor reads-
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Zero<br>
Infinite <br>
High <br>
Low <br>
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10 |
Which of the following is used on semi-conductors?
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Aluminum <br>
Copper <br>
Silicon <br>
None of these <br>
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