Which of the following metals is the most prone to work hardening ?
Which of the following metals is the most prone to work hardening ?
A. Brass
B. Aluminium
C. Copper
D. Lead
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Triple point of water is__________________?
Triple point of water is__________________?A. 0.01 °C
B. 492°R
C. 0°K
D. -273°C
Triple point of a substance is defined as a point of temperature & pressure in which the substance can exist in all it’s three states of solid, liquid & gas.
The single combination of pressure and temperature at which liquid water, solid ice, and water vapor can coexist in a stable equilibrium occurs at exactly 273.16K (0.01 °C) 32.08º F and a partial vapor pressure of 611.73 pascals(ca. 6.1173 millibars, 0.0060373 atm). At that point, it is possible to change all of the substance to ice, water, or vapor by making arbitrarily small changes in pressure and temperature.__________ test can be termed as the semi-distructive test.
Question: __________ test can be termed as the semi-distructive test.
[A].Impact [B].
Torsion [C].
Hardness [D].
Charpy Answer: Option C
Explanation:
No answer description available for this question.
Brittleness induced due to the presence of sulphur in steel can be reduced by adding____________________?
Brittleness induced due to the presence of sulphur in steel can be reduced by adding____________________?A. Manganese
B. Magnesium
C. Vanadium
D. CopperWhich of the following is the most wear resistant grade of carbide used for the cutting tools ?
Which of the following is the most wear resistant grade of carbide used for the cutting tools ?A. Aluminium carbide
B. Tungsten carbide
C. Nickel carbide
D. Iron carbideAddition of __________ to steel does not help in improving its machinability.
Question: Addition of __________ to steel does not help in improving its machinability.
[A].sulphur [B].
silicon [C].
lead [D].
phosphorous Answer: Option B
Explanation:
No answer description available for this question.
Colour comparator is used to measure the
Question: Colour comparator is used to measure the
[A].pH value [B].
electrode potential [C].
colour intensity [D].
none of these Answer: Option A
Explanation:
No answer description available for this question.