Materials, Manufacturing and Industrial Engineering - Online Test

Q1. Which of the following is the correct data structure for solid models?
Answer : Option C
Explaination / Solution:
No Explaination.


Q2. Which of the following forecasting methods takes a fraction of forecast error into account for the next period forecast?
Answer : Option D
Explaination / Solution:
No Explaination.


Q3. Minimum shear strain in orthogonal turning with a cutting tool of zero rake angle is
Answer : Option D
Explaination / Solution:
No Explaination.


Q4. Electrochemical machining is performed to remove material from an iron surface of 20mm × 20mm under the following conditions: 
Inter electrode gap= 0.2mm 
Supply voltage (DC)= 12V 
Specific resistance of electrolyte = 2Ωcm
Atomic weight of Iron= 55.85 
Valency of Iron = 2 
Faraday’s constant = 96540 Coulombs 
The material removal rate (in g/s) is  
Answer : Option A
Explaination / Solution:
No Explaination.


Q5. Match the following: 
NC Code                  Definition 
P. M05                     1. Absolute coordinate system 
Q. G01                     2. Dwell 
R. G04                     3. Spindle stop 
S. G90                     4. Linear interpolation
Answer : Option C
Explaination / Solution:
No Explaination.


Q6. In a machining experiment, tool life was found to vary with the cutting speed in the following manner:
The exponent (n) and constant (k) of the Taylor’s tool life equation are
Answer : Option A
Explaination / Solution:
No Explaination.


Q7. In a machining experiment, tool life was found to vary with the cutting speed in the following manner:
What is the percentage increase in tool life when the cutting speed is halved?
Answer : Option C
Explaination / Solution:
No Explaination.


Q8. Mobility of a statically indeterminate structure is
Answer : Option A
Explaination / Solution:
No Explaination.


Q9. The material property which depends only on the basic crystal structure is
Answer : Option C
Explaination / Solution:
No Explaination.


Q10. In a gating system, the ratio 1:2:4 represents
Answer : Option A
Explaination / Solution:
No Explaination.