Casting Green Sand Mould Online Exam Quiz
Casting Green Sand Mould GK Quiz. Question and Answers related to Casting Green Sand Mould. MCQ (Multiple Choice Questions with answers about Casting Green Sand Mould
In the given below graph, which curve represents the permeability of the green sand mould with the % of the water content?
Options
A : a
B : b
C : c
D : d
Which of the following is not a property of a sand mould?
Options
A : Fluidity
B : Strength
C : Collapsibility
D : Permeability
Refractoriness of the green sand mould shows _____
Options
A : High strength
B : Toughness
C : High temperature resistant
D : High porosity
What is the advantage of having a low bulk density of a sand-mix?
Options
A : Higher strength
B : Good refractoriness
C : Higher flow ability
D : Higher permeability
Hardness of green sand mould can be increase by _____
Options
A : increase in permeability
B : decrease in permeability
C : increase in moisture content beyond 6 percent
D : increase in both moisture content and permeability
In green sand mould, what is the indication of the word green?
Options
A : It shows polymeric mould has been cured
B : Mould is green in color
C : Mould contains moisture
D : Mould has been totally dried
Which test is performed for the study of grain size distribution of moulding sand?
Options
A : Screening test
B : Whirl test
C : Crushing test
D : Shearing test
Which of the following sands has the highest thermal conductivity?
Options
A : Silica sand
B : Zircon sand
C : Chromite sand
D : Olivine sand
Which of the following reasons stand for the crumbling of green sand mould?
Options
A : The sand grains are not adequately bonded
B : Excess of water and clay mixture
C : Due to the presence of impurities in the green sand mould
D : Fine grain size
Bentonite is commonly used as bonding material for dry sand cores.
Options
A : True
B : False
C :
D :
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