Quartz is a ________________ material ?
Quartz is a ________________ material ?
A. Diamagnetic
B. Ferromagnetic
C. Ferroelectric
D. Piezoelectric
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With increase in compression ratio, the volumetric efficiency of air compressor____________________?
With increase in compression ratio, the volumetric efficiency of air compressor____________________?A. Increases
B. Decreases
C. Remain same
D. May increase or decrease (depends on the suction pressure)In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be__________________?
In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be__________________?A. Conduction
B. Radiation
C. Natural convection
D. Forced convectionCementite is in the lamellar form in the _____________________ phase of steel ?
Cementite is in the lamellar form in the _____________________ phase of steel ?A. Martenistic
B. Bainitic
C. Pearlitic
D. FerriticEuler number is defined as the ratio of inertia force to __________ force.
Question: Euler number is defined as the ratio of inertia force to __________ force.
[A].pressure [B].
elastic [C].
gravity [D].
viscous Answer: Option A
Explanation:
No answer description available for this question.
Draught produced by a tall chimney due to density difference between hot flue gas inside the Chimney and atmospheric air outside the chimney is more appropriately known as the __________ draught.
Question: Draught produced by a tall chimney due to density difference between hot flue gas inside the Chimney and atmospheric air outside the chimney is more appropriately known as the __________ draught.
[A].natural [B].
induced [C].
forced [D].
chimney Answer: Option A
Explanation:
No answer description available for this question.
Maximum change in the hardness of martensite occurs in the carbon content range of _____________ percent in steel?
Maximum change in the hardness of martensite occurs in the carbon content range of _____________ percent in steel?A. 0.01 to 0.10
B. 0.2 to 0.4
C. 0.5 to 0.7
D. 0.8 to 1.0