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ISRO Technician-B
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ISRO Technician-B MRAC 2019
1

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

1) The insulation ability of an insulator with the presence of moisture would

increase

remain unaffected

decrease

may increase or decrease depending on temperature and thickness of insulation

Answer is:

decrease

Explanation:

.

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

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

2) Freon group of refrigerants are:

Toxic and polluting

Non-toxic and non-inflammable

Toxic, but not polluting

Highly inflammable and highly polluting

Answer is:

Non-toxic and non-inflammable

3) In a refrigeration system the expansion device is connected between

Receiver and evaporator

Evaporator and compressor

Compressor and Condenser

Condenser and receiver

Answer is:

Receiver and evaporator

4) The cycle of operation in a vapour compression refrigerator is

Reversed Carnot

Reversed Rankine

Carnot

Rankine

Answer is:

Reversed Carnot

5) Number of solutions for the system of linear equations 2x-3y = 7, x-y = 8 is

infinite

unique

two

no solution

Answer is:

unique

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

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