ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

ISRO Technician-B MRAC Question Paper - 2017 (Set -1) with Answer Key

71) In a cooling tower, the dissipation of heat is mainly due to

Answer is:

Evaporation

72) Cooling water at the inlet of condenser of a refrigeration plant enters at 20 degree celsius and leaves at 25 degree celsius. The refrigerant would be condensing at about

Answer is:

30 degree Celsius

73) Cooling range in cooling tower is the

Answer is:

difference in temperature of hot water entering and cold water leaving

74) If (2,3) lies on the line kx+(2k+1)y-11=0, the value of k will be

Answer is:

1

75) A rectangular park is 55m by 45m. A path 2.5m wide is built all around inside it. The cost of grassing the remaining park at Rs 10 per sq.m is

Answer is:

Rs. 20,000