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

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

31) Age of father is 10 less than 3 times his son's age. Eleven years after, age of father will be twice that of son's age. Then, the age of father is

Answer is:

53

32) The temperature at which ammonia changes from liquid state to gaseous state is (at atmospheric condition)

Answer is:

239.8 K

33) Decrease of DBT is seen during

Answer is:

Sensible cooling

34) In India, the agency that conducts the testing and certify the energy efficiency of electrical appliances including air conditioners is

Answer is:

Bureau of Energy Efficiency (BEE)

35) Isobutane (R-600a) and propane (R-290) are preferred over halogenated refrigerants because of

Answer is:

Options (a) and ( c)are correct, but not (b)

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