TANCET2006(Q1toQ10)

1.The displacement voltage characteristic of a properly conneted LVDT is

  Fig. Q1

2. A half adder can be nade from which of the following?
A) Two NAND gates
B) An AND gate and an OR gate
C) A NOT gate and an OR gate
D) An AND gate and an X-OR gate

3. The decimal equivalent of of 101.101 is
A) 5.625
B) 7.625
C) 45
D) 47

4. To demodulate PCM, it is first converted into
A) PWM
B) PM
C) PAM
D) PDM

5. Amount of information in a continuous signal is
A) zero
B) 2 bits
C) 4 bits
D) infinite

6. Turn-off gain of GTO
A) is equal to its turn-on gain
B) is greater than its turn-on gain
C) is less than its turn-on gain
D) depends on load current to be commutated

7. A minimum reactance function is one which has
A) no zeros at origin
B) no poles at origin
C) no zeros on imaginary axis
D) no poles on imaginary axis

8. Two resistances are connected in parallel and each dissipates 40 watts. The total power supplied by the source equals
A) 40 watts
B) 80 watts
C) 160 watts
D) 2 watts

9. A network which contain one or more than one source of emf is known as
A) active network
B) passive network
C) electric work
D) non-linear network

10. In a single phase induction machine, the purpose of introducing a capacitive winding is to
A) Create imbalance in the strength of the two synchronously rotating magnetic fields
B) reduce the humming noise
C) equalize the two synchronously rotating magnetic fields
D) reduce speed

Answer:-    1)D    2)D    3)A    4)A    5)D    6)B    7)B    8)A    9)A    10)A