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

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

51) How many poles should be there for an AC motor to run at 1500 rpm from a 50Hz supply?

Answer is:

4

52) What is the effect of putting an Emitter bypass capacitor in a single stage Common Emitter Amplifier?

Answer is:

AC gain increases

53) What will be the Ampere hour rating of a battery formed by connecting 3 parallel rows of 4 cells in series, if each cell is rated at 1.5 V, 2Ah?

Answer is:

6 Ah

54) In SI system of units, the unit of magnetic flux density is

Answer is:

Tesla

55) The most commonly used metal in Resistance Temperature detector (RTD) is

Answer is:

Platinum

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