For how much time is the cupola fired before pouring?(a) 2 hours(b) 3 hours(c) 4 hours(d) 5 hoursThe question was posed to me in a job interview.My doubt stems from Cupola in portion Metal Furnace and Practice of Casting-Forming-Welding II

For how much time is the cupola fired before pouring?(a) 2 hours(b) 3

1.	For how much time is the cupola fired before pouring?(a) 2 hours(b) 3 hours(c) 4 hours(d) 5 hoursThe question was posed to me in a job interview.My doubt stems from Cupola in portion Metal Furnace and Practice of Casting-Forming-Welding II
Answer» The correct choice is (B) 3 hours Explanation: The PROCESS of lighting is starting the CUPOLA and firing it for about 3 hours, a little before the metal is needed for pouring.

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For how much time is the cupola fired before pouring?(a) 2 hours(b) 3 hours(c) 4 hours(d) 5 hoursThe question was posed to me in a job interview.My doubt stems from Cupola in portion Metal Furnace and Practice of Casting-Forming-Welding II

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