Question: A steel containing 12 to 14% chromium and 0.12 to 0.35% carbon is called martensitic stainless steel.
[A].True
False
[A].
[B].
Answer: Option A
Explanation:
No answer description available for this question.
Engineering Materials
In high speed steels, vanadium adds to the property of red hardness and tungsten and chromium add to high wear resistance.
Question: In high speed steels, vanadium adds to the property of red hardness and tungsten and chromium add to high wear resistance.
[A].True
False
[A].
[B].
Answer: Option A
Explanation:
No answer description available for this question.
The blade of a power saw is made of
Question: The blade of a power saw is made of
[A].boron steel
high speed steel
stainless steel
malleable cast iron
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is
Question: The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is
[A].chromium
nickel
vanadium
cobalt
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
The alloying element which reduces the formation of iron sulphide in steel is
Question: The alloying element which reduces the formation of iron sulphide in steel is
[A].chromium
nickel
vanadium
manganese
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
The alloy, mainly used for corrosion resistance in stainless steels is
Question: The alloy, mainly used for corrosion resistance in stainless steels is
[A].silicon
manganese
carbon
chromium
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Ball bearings are, usually, made from
Question: Ball bearings are, usually, made from
[A].low carbon steel
high carbon steel
medium carbon steel
chrome steel
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Free cutting steels
Question: Free cutting steels
[A].contain carbon in free from
require minimum cutting force
is used where rapid machining is the prime requirement
can be cut freely
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
The alloying element which can replace tungsten in high speed steels is
Question: The alloying element which can replace tungsten in high speed steels is
[A].nickel
vanadium
cobalt
molybdenum
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Connecting rod is, usually, made from
Question: Connecting rod is, usually, made from
[A].low carbon steel
high carbon steel
medium carbon steel
high speed steel
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.