أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
a) higher initial setting time but lower final setting timeb) lower initial setting time but higher final setting timec) higher initial and final setting timesd) lower initial and final setting times
this type the initial setting time by BS915-2:1972 (1983) as between2 and6 hours typical values for this type are initial set at2,1/2 hours and final set at30 minutes therefore slow setting but final set follows the initial set more rapidly then is the case in Portland cement. i choice b) lower initial setting time but higher final setting time
Answer is A. This type of cement is slow-setting. The initial setting time is2 to6 hours although final setting takes place approximately2 hours after initial set.
High alumina cement has
b) lower initial setting time around 2 to 3 hours, but higher final setting time around 5 to 6 hours.
b) lower initial setting time but higher final setting time