Question 1. For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately
0.4 times
0.6 times
0.7 times
0.8 times
Answer: Option A
Question 2. In vickers hardness testing, the pyramid indentor apex is
40°
122°
136°
152°
Answer: Option C
Question 3. In the levers of first type, the mechanical advantage is ________ one.
Less than
Equal to
More than
None of these
Answer: Option C
Question 4. In vickers hardness testing, the pyramid indentor apex is
40°
122°
136°
152°
Answer: Option C
Question 5. In the levers of first type, the mechanical advantage is ________ one.
Less than
Equal to
More than
None of these
Answer: Option C
Question 6. Ball bearing type screws are found in following application
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