Heavy mortars have a bulk density equal to greater than _________
(a) 500 kg/m^3
(b) 1000 kg/m^3
(c) 1500 kg/m^3
(d) 2500 kg/m^3
I had been asked this question during an interview for a job.
The question is from Mortar in section Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials