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ISRO Technician-B
Instrument Mechanic
ISRO Technician-B Instrument Mechanic 2019
51

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?

2

4

10

8

Answer is:

4

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

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

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

DC Input resistance decreases

AC gain increases

AC gain decreases

No effect

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?

2 Ah

6 Ah

8 Ah

12 Ah

Answer is:

6 Ah

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

Tesla

Weber

Maxwell

Gauss

Answer is:

Tesla

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

Aluminium

Gold

Platinum

Paladium

Answer is:

Platinum

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

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