Multiple Choice
In a Brinell hardness test the hardness number is determined by the measurement of
A) Width of depression
B) Depth of depression
C) Diameter of depression
D) Surface area of depression
E) None of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q15: While grinding the increase in wheel speed,
Q16: Low helix drills are used for machining<br>A)Brass<br>B)bronze<br>C)bakelite<br>D)Any
Q17: Unequal lengths of lips of a twist
Q18: Accuracy is<br>A)The repeatability of a measuring process<br>B)Error
Q19: For resistance welding<br>A)Voltage is low and current
Q21: Presence of oxygen in copper<br>A)gives it yellow
Q22: Which of the following defect in castings
Q23: Aluminium gears are generally used in<br>A)Compressors<br>B)Speed reducers<br>C)Instruments<br>D)Worm
Q24: The disadvantage of die casting process is<br>A)Cost
Q25: The limitation of a pneumatically operated automatic