Question: In the Bayer’s process, bauxite is digested under pressure using
[A].H2SO4
NaOH
NH3
HCl
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Cadmium in zinc leach liquor is removed by cementation using
Question: Cadmium in zinc leach liquor is removed by cementation using
[A].zinc
iron
nickel
copper
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
In the floatation process, pine oil is used as the
Question: In the floatation process, pine oil is used as the
[A].collector
activator
frother
depressant
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
A pipeline buried in soil is commonly protected from corrosion by
Question: A pipeline buried in soil is commonly protected from corrosion by
[A].anodic protection.
cathodic protection.
using inhibitors.
using a special alloy resistant to corrosion.
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Mechanism/phenomenon involved in the improvement of fatigue strength of a material by shot peening is the
Question: Mechanism/phenomenon involved in the improvement of fatigue strength of a material by shot peening is the
[A].induction of residual compressive stress on the surface.
removal of stress concentration from the surface.
grain refinement.
surface polishing.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Hemant in order to go to university started from his house in the east and came to a crossing. The road to the left ends in a theatre, straight ahead is the hospital. In which direction is the university?
Question: Hemant in order to go to university started from his house in the east and came to a crossing. The road to the left ends in a theatre, straight ahead is the hospital. In which direction is the university?
[A].North
South
East
West
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
Therefore university is in North.
Grain hardness is measured by the __________ hardness testing method.
Question: Grain hardness is measured by the __________ hardness testing method.
[A].Knoop
Rockwell F
Shore sceleroscope
Vicker’s
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.
Question: Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.
[A].Vicker’s
Rockwell
Knoop
Brinell
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
K is 40 m South-West of L. If M is 40 m South-East of L, then M is in which direction of K?
Question: K is 40 m South-West of L. If M is 40 m South-East of L, then M is in which direction of K?
[A].East
West
North-East
South
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
Hence M is in the East of K.
Brinell hardness number (BHN) of a material is a number, which has
Question: Brinell hardness number (BHN) of a material is a number, which has
[A].no dimension.
unit of length.
unity of force/area.
unit of force/length.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.