Correct answer
A. calcium carbide method
Explanation
The correct answer is calcium carbide method.
For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of________?
If the monthly mean of average daily temperature for the hottest month of the year is 25° C and the monthly mean of the maximum daily temperature of the same month of the year is 46° C, the airport reference temperature is________?
The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of’h’ is________?
Select the correct statement?
1000 kg of sewage contains________?
The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is________?