Allied & ICAR Exam Bank • ALLIED_1310 NAT • 2 Marks

Section 7: Dairy and Food Engineering

Heat and Mass Transfer in Food Processing

Subtopic: Evaporator Steam Economy

Question Statement:

A triple-effect evaporator operating under steady state concentrates skim milk, evaporating 2700 kg of water per hour while consuming 1000 kg of boiler live steam per hour in the first effect. The steam economy of the evaporator is:

Answer Key:

2.7

Step-by-Step Solution & Explanation

$\text{Steam Economy} = \frac{\text{Total water vapor evaporated}}{\text{Steam consumed in first effect}} = \frac{2700\text{ kg}}{1000\text{ kg}} = 2.70$.
← Previous (ALLIED_1309) Next (ALLIED_1311) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test