engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Utilization of Electrical Energy Heating
Eureka is a commercial name of a heating element whose composition is:
1
70% iron, 25% chromium, 5% aluminium
2
55% copper and 45% nickel
3
80% nickel and 20% chromium
4
45% copper and 55% nickel