Casting Preparation Core Mix Online Exam Quiz
Casting Preparation Core Mix GK Quiz. Question and Answers related to Casting Preparation Core Mix. MCQ (Multiple Choice Questions with answers about Casting Preparation Core Mix
What is the green compression strength of light to medium size malleable iron castings?
Options
A : 0.05 kg/cm2
B : 0.06 kg/cm2
C : 0.07 kg/cm2
D : 0.08 kg/cm2
What is the green compression strength of core sand mixture for general purpose?
Options
A : 1/5 kg/cm2
B : 1/6 kg/cm2
C : 1/7 kg/cm2
D : 1/8 kg/cm2
What is the dry tensile strength of core sand mixture for general purpose?
Options
A : 15 kg/cm2
B : 16 kg/cm2
C : 17 kg/cm2
D : 18 kg/cm2
How much time does a normal muller take to mix the core ingredients?
Options
A : 2 – 5 minutes
B : 3 – 6 minutes
C : 4 – 7 minutes
D : 5 – 9 minutes
How much time does a centrifugal muller take to mix the core ingredients?
Options
A : 20 – 50 seconds
B : 10 – 40 seconds
C : 50 – 80 seconds
D : 60 – 90 seconds
What is the water content in light to medium size malleable iron castings?
Options
A : 3.2%
B : 4.2%
C : 5.2%
D : 6.2%
What is the amount of green permeability in light to medium size malleable iron castings?
Options
A : 34 cc/min
B : 44 cc/min
C : 54 cc/min
D : 64 cc/min
What is the baked tensile strength of light to medium size malleable iron castings?
Options
A : 4.5 kg/cm2
B : 5.5 kg/cm2
C : 6.5 kg/cm2
D : 7.5 kg/cm2
What is the dry compression strength of core sand mixture for general purpose?
Options
A : 50 kg/cm2
B : 60 kg/cm2
C : 70 kg/cm2
D : 80 kg/cm2
In light to medium size malleable iron castings, lake sand constitutes of 30 parts.
Options
A : True
B : False
C :
D :
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