Which of the following fastening devices has its both ends threaded ?
Which of the following fastening devices has its both ends threaded ?
A. Bolt
B. Stud
C. Set screw
D. Split nut
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An orthotropic material is a special class of anisotropic material, which is described by their properties in three perpendicular directions. An example of orthotropic material is
Question: An orthotropic material is a special class of anisotropic material, which is described by their properties in three perpendicular directions. An example of orthotropic material is
[A].stainless steel [B].
cast iron [C].
wood [D].
teflon Answer: Option C
Explanation:
No answer description available for this question.
Heat transfer by radiation from a hot body will be most rapid, if its surface is __________ because of its higher emissivity.
Question: Heat transfer by radiation from a hot body will be most rapid, if its surface is __________ because of its higher emissivity.
[A].white & rough [B].
black & rough [C].
white & polished [D].
black & polished Answer: Option B
Explanation:
No answer description available for this question.
Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is
Question: Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is
[A].malleable iron [B].
grey cast iron [C].
chilled cast iron [D].
white cast iron Answer: Option A
Explanation:
No answer description available for this question.
Cold working of a material results in increase in hardness, which is termed as the ______________ hardening ?
Cold working of a material results in increase in hardness, which is termed as the ______________ hardening ?A. Cold
B. Work
C. Age
D. Induction__________ of test specimens is not involved in any hardness testing method.
Question: __________ of test specimens is not involved in any hardness testing method.
[A].Fracture [B].
Indentation [C].
Wear [D].
Scratch Answer: Option A
Explanation:
No answer description available for this question.
Most of the phosphorous present in the blast furnace burden enters into___________________?
Most of the phosphorous present in the blast furnace burden enters into___________________?A. Hot metal
B. Flue gases
C. Slag
D. Refractory lining