Acetylene gas holder is made of__________________?
Acetylene gas holder is made of__________________?
A. Copper
B. Cast iron
C. Steel
D. Monel metal
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Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si)___________________?
Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si)___________________?A. Do not require heat treatment for any of its applications
B. Are used for leaf and coiled springs
C. Do not have good resilience properties
D. Is tempered at 850°CCarbon is present in steel wholly in the
Question: Carbon is present in steel wholly in the
[A].combined form. [B].
free state as graphite. [C].
both (a) and (b). [D].
neither (a) nor (b). Answer: Option A
Explanation:
No answer description available for this question.
A material is able to retain the deformation permanently by virtue of its
Question: A material is able to retain the deformation permanently by virtue of its
[A].elasticity [B].
plasticity [C].
ductility [D].
malleability Answer: Option B
Explanation:
No answer description available for this question.
For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is__________________?
For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is__________________?A. Stainless steel
B. Cast iron
C. Aluminium
D. NickelNitriding of steel is done (in electric furnace) at _____________ °C?
Nitriding of steel is done (in electric furnace) at _____________ °C?A. 510
B. 1720
C. 2210
D. 910____________ alloys have the highest specific strength of all the structural materials out of the following?
____________ alloys have the highest specific strength of all the structural materials out of the following?A. Magnetic steel
B. Titanium
C. Chromium
D. Magnesium