Related Questions

The ratio of volume of voids to the total volume of soil mass is called
A air content
B porosity
C percentage air voids
D voids ratio
An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture?
A Cork
B Saw dust
C Sand
D Chemically prepared foam
If the voids of a soil mass are full of air only, the soil is termed as
A air entrained soil
B partially saturated soil
C dry soil
D dehydrated soil
Voids ratio of a soil mass can
A never be greater than unity
B be zero
C take any value greater than zero
D take values between 0 and 1 only
The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
A, B and C received an amount of Rs 8400 and distributed among themselves in the ratio of 6 : 8 : 7 respectively. If they save in the ratio of 3 : 2 : 4 respectively and B saves Rs 400, then what is the ratio of the expenditures of A, B and C respectively?
A 6 : 8 : 7
B 8 : 6 : 7
C 9 : 14 : 10
D 12 : 7 : 9
If the natural water content of soil mass lies between its liquid limit and plastic limit, the soil mass is said to be in
A liquid state
B plastic state
C semi-solid state
D solid state
The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is
A More
B Less
C Same
D Unpredictable; depends on the particular reaction
Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well.
A Float, string
B Positive number, negative number
C Even number, string
D String, Boolean
E Integer, string

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