Reference no: EM132395350
Questions -
1. The autocorrelation of discrete pseudo noise sequence is similar to
a) random atmospheric interference
b) white noise
c) ground clutter
d) audio distortion
2. Using ohms law voltage in series resistance is replaced by current source in parallel to resistance
a) voltage transformation
b) current transformation
c) source transformation
d) resistance transformation
3. Aeroderivative turbine don't have?
4. To turn off thyrister?
a. apply negative current at gate
b. below holding current
5. Inverse of even function?
a) even
b) odd
c) linear
d) quadratic
e) does not exit
6. asymptotic stability is defined by?
a) eigen value
b) poles and zeroes
c) response to impulse input
d) NOA
7. Superposition theorem all v-sources are replaced by.........?
A) Open circuit,
B) Closed circuit,
C) Short circuit,
D) Open circuit with parallel branch
8. for 25-30 KM Transmission Line we use?
a) 5kv
b) 11 kv voltage
c) 33 kv
d) 66
e) 250
9. Vs = Ns dphi/dt?
a) lenz law
b) Faraday law
c) columbs
10. Pressure of air in air blast Circuit Breaker?
a) 2-3 kg/cm2
b) 20-30 kg/cm2
c) 200-300 kg/cm2
d) 2000-3000kg/cm2
11. Oscilloscope vertical axis represent volt/div then horizontal axis represent?
12. In induction motor when length of airgap increased, the megenetizing current increase while short circuit current remains -------
a) increase then stable
b) dec then stable
d) increases
e) remain unaltered
13. Diode clampers ac source value by adding?
a) ac level
b) dc level
c) both
14. The quantity "Rm" with related dependent V controlling variable output same.
a) Trans Conductance
b) max Resistance
c) Trans Resistance
d) Limiting Resistance
15. A function is ........... if it lies in open interval.
a) Differentiator
b) indifferentiator
c) dependent
d) independent
16. Which of the following equation shows... d(function)^2/dx^2 = 1/k * d(function)/dt
17. Transformer is designed so there is .....................lekage induction
A. zero
B. high
C. low
D. medium
18. When surface charge density is zero then normal component of _____ is continuous:
a) electric flux density (Beta)
b) Electromotive force
c) mmf
19. Device used for ocular focus and refraction
a. drummeter
b. durameter
c. declipmeter
d. dioptometer
e. Electroretinoscope
20. In a close loop system, feedback is strategy is used for
A. Input Independent
B. Fail safe
C. error driven
D. a & b
E. None of the above