ISRO Technician-B Electronic Mechanic Question Paper - 2019 (Set - 1) with Answer Key

ISRO Technician-B Electronic Mechanic Question Paper - 2019 (Set - 1) with Answer Key

66) What is the common shape of pad corresponding to pin number 1 of an IC?

Answer is:

Square

67) HRC fuse stands for

Answer is:

High Rupturing Capacity fuse

68) Calculate the synchronous speed of a three phase induction motor with four poles, operating from 50Hz supply.

Answer is:

1500 rpm

69) What is the fan out of a typical 2 input TTL gate?

Answer is:

10

70) What is the output waveform of 8038 function generator?

Answer is:

All of the above

Explanation:

Output waveform of 8038 function generator can be
* Square
* Triangle
* Sine