Hello brother as you need the previous papers of Pgecet mechanical so here I am getting the paper…..


The address bus width of a memory of size 1024 ́ 8 bits is
(A) 10 bits
(B) 13 bits
(C) 8 bits
(D) 18 bits

In TDM non essential frequency components of the modulating signal are removed by
(A) sampler
(B) attenuator
(C) pre-alias filter
(D) modulator

Coherent demodulation of FSK signal can be affected using
(A) correlation receiver
(B) bandpass filter and envelope detectors
(C) discriminator detection
(D) above all

Two dissimilar antennas having their maximum directivities equal,
(A) must have their beamwidths also equal.
(B) can not have their beamwidths equal because they are dissimilar antenna.
(C) may not necessarily have their maximum power gain equal.
(D) must have their effective aperture areas ( capture areas) also equal.

The dominant mode in a rectangular waveguide is TE10 because this mode has
(A) no attenuation
(B) no cut-off
(C) no magnetic field component
(D) the highest cut-off wavelength

The skin depth is
(A) 2.52 m
(B) 5.05 m
(C) 8.46 m
(D) 4.23 m

The propagation constant is
(A) 0198 0 448. . + j per meter
`(B) 0346 0 713. . + j per meter
(C) 0 448 0198. . + j per meter
(D) 0 713 0346. . + j per meter

The carrier components is reduced to zero for the second time for the value of Am
(A) 4.52 V
(B) 3.38 V
(C) 2.68 V
(D) 1.39 V

The frequency sensitivity of the modulator is
(A) 1.38 kHz V
(B) 0.61 kHz V
(C) 2.76 kHz V
(D) 1.22 kHz V






For complete paper I am providing you the pdf

Attached Files

Pgecet mechanical previous papers.pdf (482.7 KB, 53 views)