BSNL TTA Mock Test – 3

National Instutute of Social Defence is located in which of the following cities of India ?

Shompen tribe, which was recently in news is found in which part of India ?

Choose the one which best expresses the meaning of the given word.

ACCOST

Choose the word opposite in meaning to the given word.

AUTONOMY

The per unit impedance of a circuit element is 0.15. If the base kV and base MVA are halved, then the new value of the per-unit impedance of the circuit element will be :

In coal-fired thermal power stations, what are the electrostatic precipitators used for ?

The dielectric loss of a capacitor can be measured by :

What principle makes the instrument transformer working :

Sensitivity of LVDT is mainly due to :

The magnetic behaviors of stainless steel is :

Major part of the current in an intrinsic semiconductor is due to :

In an SCR circuit, the supply voltage is generally ….. that of breakover voltage.

The colour of light emitted by a LED depends on :

For a 3-bit flash ADC, the number of comparators required are : 

In a sample and hold circuit the following statement is false : 

To avoid the effect of stray magnetic field in A. C. bridges we can use :

Lissaajous figure depends upon ….. of the two signals.

If an 860 kHz AM signal is modulated by frequencies of 5 and 10 kHz, what is the bandwidth ?

A 4 KHz signal is to be sent on the line using 10 bit PCM. The bit rate on the line is :

In an AM signal that is 100 percent modulated, what maximum voltage value is present in each sideband ?