# A super heterodyne receiver has an IF of 465 KHz. If it is tuned to a station broadcasting at 500 KHz and its oscillator is operating at 965 KHz, then the 1430 KHz, frequency would be the

2.  image frequency

3.   gyro frequency

4.  maximum usable frequency

4

image frequency

Explanation :
No Explanation available for this question

# The decimal equivalent of the hexadecimal number E5 is

1.  279

2.  229

3.  427

4.  3000

4

229

Explanation :
No Explanation available for this question

# The characteristic equation of a close-loop system is given by s4+6s3+11s2+6s+k=0 Stable close loop behavior can be ensured when gain K is such that

1.  0

2.   K>10

3.  -∞≤K

4.  0

4

0<K<10

Explanation :
No Explanation available for this question

# In a 100 line exchange with 10 first selectors, the number of line finders required

1.  is 10

2.   is 100

3.  would depend upon the traffic flow

4.  is busy-hour calling rate

4

is 10

Explanation :
No Explanation available for this question

# How many 1‘s are present in the binary representation of 3 × 512 + 7 × 64 + 5 × 8 + 3

1.  8

2.  9

3.  10

4.  11

4

9

Explanation :
No Explanation available for this question

# In a carrier telephone system, a group occupies a frequency band of

1.  36 to 48 KHz

2.  60 to 108 KHz

3.  92 to 140 KHz

4.   140 to 172 KHz

4

36 to 48 KHz

Explanation :
No Explanation available for this question

# The bandwidth of a control system is the range of frequency over which  is greater than or equal to

1.   1/√2 and it depends only on the undamped natural frequency of the system

2.  1 and it depends only on the damping factor of the system

3.  1 and it depends only on the undamped natural frequency of the system

4.  1/√2 and it depends on both undamped natural frequency and the damping factor of the system

4

1 and it depends only on the damping factor of the system

Explanation :
No Explanation available for this question

# The gate shown in figure is:

1.  AND gate

2.  NAND gate

3.  NOT gate

4.  OR gate

4

NOT gate

Explanation :
No Explanation available for this question

# In a carrier telephone system, a group occupies a frequency band of

1.  36 to 48 KHz

2.  60 to 108 KHz

3.   92 to 140 KHz

4.  140 to 172 KHz

4

140 to 172 KHz

Explanation :
No Explanation available for this question