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WorksheetsABF REFRACTORY
Total questions: 25
Worksheet time: 13mins
What is the total number of flue walls present in plant 1 Bake Oven?
1276
1286
1296
1152
What is the height of flue wall including F1/F2?
5151mm
5239mm
5260mm
5542mm
What is the height of top block?
389mm
390mm
391mm
392mm
What is the width of side wall excluding castable?
572mm
573mm
673mm
674mm
What is the dimension(l*b*h)of 3-4 insulation bricks?
114*65*230
230*65*114
230*114*65
114*230*65
What is the grade of Ceramic fibre we are using in Bake oven?
1140°C
1180°C
1220°C
1260°C
What is the length of 50mm ceramic fibre?
2.32m
3.81m
4.62m
7.32m
How many type of dense bricks use for flue wall rebuilding based on Alumina percentage?
(a)
What is the allowed thickness of degassing gap in flue wall?
0-1mm
2-4mm
2-3mm
3-4mm
What is the thickness of slip joint?
6mm
8mm
10mm
12mm
What percentage of water required to mix during 8-4 mortar preparation?
(10-12)%
(15-20)%
(20-25)%
(45-50)%
How many number of X3 and X4 present in one pit?
(a)
Which types of mortar is heat setting?
8-4
8-5
8-6
8-7
How many type of bricks, shape wise use in outer flue wall(excluding wedge bricks)?
11
12
13
14
What is the top & bottom inner diameter of Castable ring?
(225-210)mm
(265-275)mm
(220-240)mm
(240-260)mm
What is the alumina percentage in Dense castable(Max heat K)?
45%
50%
55%
60%
What is the safe working temperature of F-4 bricks?
1150°C
1250°C
1350°C
1450°C
What is the radius of Tongue & groove?
12 & 14
14 & 16
14 & 18
16 & 20
Which bricks use in more number in flue wall?
F-3
F-4
F-5
F-6
Which brick is known as Tie bricks?
F-5
F-6
F-7
F-9
What is the width of Pit in plant 1?
530
733
703
710
Which dense bricks weight is maximum in flue wall?
(a)
What is the measurment of port window?
530mm
333mm
353mm
343mm
How many fires present in Plant 1 Bake oven?
6
8
10
12
Inspection period for Cross over duct maintenance?
Quarterly
Half yearly
Yearly
Monthly
