EBM-Applications, Advantages and Disadvantages Online Exam Quiz
EBM-Applications, Advantages and Disadvantages GK Quiz. Question and Answers related to EBM-Applications, Advantages and Disadvantages. MCQ (Multiple Choice Questions with answers about EBM-Applications, Advantages and Disadvantages
How are the production times for a material in electron beam machining?
Options
A : Very small
B : Small
C : Moderate
D : Long
How many holes can be produced in perforation of thin sheets using EBM?
Options
A : 101 to 102
B : 102 to 103
C : 103 to 104
D : 104 to 105
How much is the capital equipment cost of equipment used in EBM?
Options
A : Very low cost
B : Low cost
C : Moderate cost
D : High cost
Let us consider the ambient air temperature is 25?C and aircraft has Mach number of 1.5. Find the stagnation temperature.
Options
A : 432.32K
B : 789K
C : 123.56K
D : 213.458K
There is no limitation imposed on which of the following factors in EBM?
Options
A : Material ductility
B : Surface hardness
C : Surface reflectivity
D : All of the mentioned
What is creep?
Options
A : Under low sustained stress, it is tendency of some materials to get deform slowly and permanently
B : Under zero stress, it is permanent deformation
C : High lift device
D : Anti ice device
What is the advantage of wood?
Options
A : Easy to fabricate
B : Moisture sensitivity
C : Complexity during fabrication
D : Non availability
What is the range of depth-to-diameter ratio in Electron beam machining?
Options
A : 2:5 to 2:11
B : 1:1 to 1:15
C : 3:4 to 3:20
D : 4:5 to 4:19
What is the tolerance value obtained in EBM?
Options
A : ? 10 %
B : ? 20 %
C : ? 30 %
D : ? 40 %
What is the value of energy required for bond breaking?
Options
A : 10 to 20kV
B : 20 to 30kV
C : 30 to 40kV
D : 40 to 50kV
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