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

0 degree

33.33 degree

239.8 K

223.8K

Answer is:

Sensible cooling

Sensible heating and dehumidification

Humidification

Dehumidification

Answer is:

Bureau of Indian Standards (BIS)

Indian Standards Institute (ISI)

Bureau of Energy Efficiency (BEE)

Electricity Regulatory Authority of India

Answer is:

Low cost, high energy efficiency

Low flammability and lower attainable temperatures

Low ozone depleting potential

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

Answer is: