Tech Quiz

1:In a transistor when base-width decreases with increasing collector to base voltage, this phenomenon is called?
Early Effect
Thermal Runaway
Pinchoff

2:For the purpose of comparison, the steam generating capacity of a boiler is generally expressed in terms of?

kg/hr
equivalent evaporation
steam pressure

3: A rectangular beam of length I supported at its two ends carries a central concentrated load W at its centre. The maximum deflection occurs ..
at 1/3 from both ends
at the ends
at the mid span

4:Dissolving salt in water is an example of which type of change ?
Physical
Chemical
Biochemical

5:An amplifier has a voltage gain of 100. To reduce distortion, 10% negative feedback is employed. The gain of the amplifier with feedback is ?
9.09
90.9
1.01

6:One of the following methods is adopted for governing of steam turbines in a power plant
blow off in boiler
throttle governing
speed control

7:If the depth is kept constant for beam of uniform strength then its width will vary proportional to
M
M^2
M^3

8:When nuclear change takes place, which is true
Energy is destroyed
Energy is released
Energy is changed

9:The internal impedence of an ideal current source is
High
Infinity
Zero

10:An aircraft gas turbine operates on
Bryton Cycle
Sterline Cycle
Otto Cycle