Question: Coating of zinc over steel is known as
[A].cladding
galvanising
anodising
passivation
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Chemical Engineering Basics
In a furnace with heating element temperature at 1700°C, the dominant machanism of heat transfer will be
Question: In a furnace with heating element temperature at 1700°C, the dominant machanism of heat transfer will be
[A].conduction
radiation
natural convection
forced convection
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
An ingot is hot forged to a 60% reduction in cross-section area. The percentage reduction in the volume for the above process is
Question: An ingot is hot forged to a 60% reduction in cross-section area. The percentage reduction in the volume for the above process is
[A].0
60
30
20
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
M10 index of coke indicates its
Question: M10 index of coke indicates its
[A].compressive strength.
hardness.
abrasion resistance.
impact strength.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Lap joints are preferred over butt joints in soldering/brazing, because these joints are
Question: Lap joints are preferred over butt joints in soldering/brazing, because these joints are
[A].weaker in tension but stronger in shear.
weaker in shear but stronger in tension.
stronger in both shear and tension.
The lap joints are easily made.
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Lead is added to 60:40 brass primarily to improve
Question: Lead is added to 60:40 brass primarily to improve
[A].machinability
corrosion resistance
fluidity
strength
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Copper deposits are found in India at the following location:
Question: Copper deposits are found in India at the following location:
[A].Kudremukh
Kolar
Khetri
Ramagundam
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
In the blast furnace, incorporation of water vapour in the blast gives the following effect.
Question: In the blast furnace, incorporation of water vapour in the blast gives the following effect.
[A].Increases the reducing potential of the gas.
Increases the flame temperature.
No significant change occurs.
Increases the hydrogen content in the metal.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Electrostatic separation of minerals from each other is based on their differences in the following property.
Question: Electrostatic separation of minerals from each other is based on their differences in the following property.
[A].Densities.
Magnetic permeabilities.
Electrical conductivities.
Hardness.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Alloy powder manufactured by the following process have spherical shapes.
Question: Alloy powder manufactured by the following process have spherical shapes.
[A].Electrochemical deposition.
Gaseous reduction.
Atomisation.
Mechanical attrition.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.