The main constituent of bones is ______________________?
The main constituent of bones is ______________________?
A. CaF2
B. Ca3(PO4)2
C. CaCO3
D. CaCl2
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Probability of cavitation occuring becomes very high, when the local _______________ resulting ?
Probability of cavitation occuring becomes very high, when the local _______________ resulting ?in water bubbles formation, which on rupture cause cavitation
A. Pressure falls below the vapour pressure
B. Pressure becomes very high
C. Temperature becomes low
D. All A, B & CAcetylene should never be conveyed through __________ pipe, as it forms an unstable compound that dissociates violently at the slightest shock.
Question: Acetylene should never be conveyed through __________ pipe, as it forms an unstable compound that dissociates violently at the slightest shock.
[A].stainless steel [B].
copper [C].
aluminium [D].
brass Answer: Option B
Explanation:
No answer description available for this question.
__________ is the most important element, which controls the physical properties of steel.
Question: __________ is the most important element, which controls the physical properties of steel.
[A].Manganese [B].
Silicon [C].
Carbon [D].
Vanadium Answer: Option C
Explanation:
No answer description available for this question.
The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for ______________ at room temperature ?
The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for ______________ at room temperature ?A. Air
B. Water
C. Mercury
D. AlcoholCold working of a material results in increase in hardness, which is termed as the ______________ hardening ?
Cold working of a material results in increase in hardness, which is termed as the ______________ hardening ?A. Cold
B. Work
C. Age
D. InductionOut of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of________________?
Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of________________?A. Steel
B. Glass wood
C. Copper
D. Fireclay bricks