Design Electrical Machines High Conductivity Materials Online Exam Quiz
Design Electrical Machines High Conductivity Materials GK Quiz. Question and Answers related to Design Electrical Machines High Conductivity Materials. MCQ (Multiple Choice Questions with answers about Design Electrical Machines High Conductivity Materials
What is the temperature coefficient of silver?
Options
A : 0.00386 per0C
B : 0.0034 per0C
C : 0.00429 per0C
D : 0.0038 per0C
What is the conductivity of Copper?
Options
A : 0.6329*106 mho/cm
B : 0.5952*106 mho/cm
C : 0.4529*106 mho/cm
D : 0.3773*106 mho/cm
What is the melting point of aluminum?
Options
A : 6600C
B : 10850C
C : 9620C
D : 10640C
What is the specific gravity of aluminum?
Options
A : 8.96 gm/cm3
B : 19.30 gm/cm3
C : 2.70 gm/cm3
D : 10.49 gm/cm3
Which two elements are used in precious instruments?
Options
A : Copper, Silver
B : Gold, Silver
C : Copper, Aluminum
D : Gold, Aluminum
Which property of aluminum it the most preferred element?
Options
A : good conductivity
B : highly malleable, highly ductile
C : most abundant element
D : good corrosion resistant
What are the characteristics of high conductivity materials based on cost and flexibility?
Options
A : Low cost, low flexibility
B : Low cost, high flexibility
C : High cost, low flexibility
D : High cost, high flexibility
Which material has the highest conductivity of all materials?
Options
A : Silver
B : Copper
C : Gold
D : Tungsten
High conductivity materials are used in electrical machines.
Options
A : True
B : False
C :
D :
Silver is not used in practical electrical machines.
Options
A : True
B : False
C :
D :
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