1. Lime has been conventionally classified into how many types?
(A) 4
(B) 2
(C) 5
(D) 3
[accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] D [/accordion-item][/accordion]
2. How many brick lined tanks are used in tank slaking method?
(A) 2
(B) 1
(C) 4
(D) 3
[accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] A [/accordion-item][/accordion]
3. Which of the following is an example of silicious rock?
(A) Granite
(B) Gneiss
(C) Quartzite
(D) all of these
[accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] D [/accordion-item][/accordion]
4. Which of the following ions causes the cement to set quickly?
(A) Sulphate
(B) Carbonate
(C) Chloride
(D) Nitrate
[accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] A [/accordion-item][/accordion]
5. What is the initial setting time of cement?
(A) 1 hour
(B) 30 minutes
(C) 15 minutes
(D) 30 hours
[accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] B [/accordion-item][/accordion]
6. Which one of the below cannot be used as a substitute for sand?
(A) Surkhi
(B) Quarry dust
(C) Glass
(D) M-sand
[accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] B [/accordion-item][/accordion]