Related Questions

Dynamic viscosity of most of the gases with rise in temperature
A Increases
B Decreases
C Remain unaffected
D Unpredictable
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 Alcohol
The dynamic viscosity of the liquid __________ with rise in temperature.
A Remain unaffected
B Increases
C Decreases
D None of these
The dynamic viscosity of gases __________ with rise in temperature.
A Remain unaffected
B Increases
C Decreases
D None of these
Thermal conductivities of most of the liquids __________ with rise in temperature.
A Increases
B Decreases
C Remains unchanged
D May increase or decrease; depends on the liquid
For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.
A Sodium chloride
B Sodium carbonate monohydrate
C Anhydrous sodium sulphate
D Hypo
A delivery car went from Candleford to Lark Rise and back at an average speed of23 miles per hour. If the distance from Candleford to Lark Rise is 1 mile, and the trip back too half as much time as the trip there, what was the average speed of the delivery car on the way to Lark Rise?
A 13
B 34
C 12
D 23
A delivery cart went from Candle ford to Lark Rise and back at an average speed of 2/3 miles per hour. If the distance from Candle ford to Lark Rise is 1 mile, and the trip back took half as much time as the trip there, what was the average speed of the delivery cart on the way to Lark Rise?
A 1/3
B 3/4
C 1/2
D 2/3
For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally
A Decreases
B Increases
C Remains unchanged
D Increases exponentially
Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which
A A homogeneous solution (say of phenol water) is formed
B Mutual solubility of the two liquids shows a decreasing trend
C Two liquids are completely separated into two layers
D None of these

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