TANCET2005(Q1toQ10)

TANCET (Questions from Question Paper for Year 2005)

5. A load p.f of an alternator becomes more leading, the value of generated voltage required to give rated terminal voltage
A) Increases
B) Remains unchanged
C) Decreases
D) Varies with rotor speed

6. One of the characteristics of a single phase notor is that it
A) is self starting
B) is not self starting
C) requires only one winding
D) can rotate in one direction only

7. The transfer function of a a tachometer is of the form
A) Ks
B) K/s
C) K/(s+1)
D) K/{s(s+1)}

8. As compared to phase discriminator a ratio detector provides
A) Double the output obtainable from a phase discriminator
B) Higher stabilization against signal variations
C) All the advantages of a phase discriminator
D) Lower linearity

9. The autocorrelation function is a measure of
A) Spread of a random process
B) Inter dependence of two random process
C) Regularity of the random process
D) None of the above

10. The ripple frequency in case of a full wave rectifier is
A) Twice the supply frequency
B) Equal to the supply frequency
C) Thrice the supply frequency
D) None of these

Ans: 1) B 2) B 3) B 4) A 5) A 6) B 7) B 8) C 9) B 10) A