Light year is the unit of
Question: Light year is the unit of
[A].
distance
time
intensity of light
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
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Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by _____________ have residual stresses ?
Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by _____________ have residual stresses ?A. Forging
B. Cold rolling
C. Hot rolling
D. CastingWith increase in porosity, the thermal conductivity of a solid substance
Question: With increase in porosity, the thermal conductivity of a solid substance
[A].increases [B].
decreases [C].
remains unchanged [D].
may increase or decrease; depends on the solid Answer: Option B
Explanation:
No answer description available for this question.
The hardenability of steel decreases with__________________?
The hardenability of steel decreases with__________________?A. Decrease in dislocation density
B. Increase in solutionising temperature
C. Increase in strength
D. Decrease in grain sizeCementite 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. FerriticIn an incompressible fluid, the density is
Question: In an incompressible fluid, the density is
[A].greatly affected by moderate changes in pressure. [B].
greatly affected only by moderate changes in temperature. [C].
not affected with moderate change in temperature & pressure. [D].
sensible to changes in both temperature & pressure. Answer: Option C
Explanation:
No answer description available for this question.
Kirchoff s law applies to __________ radiation.
Question: Kirchoff s law applies to __________ radiation.
[A].total [B].
monochromatic [C].
both (a) & (b) [D].
neither (a) nor (b) Answer: Option C
Explanation:
No answer description available for this question.