MCQ
27321. A good building stone is one which does not absorb more than....of its weight of water after one day's immersion- [BREB-15, MES-18]
5%
10%
15%
25%
27322. What is the unit weight of cement? [MES-16]
1440 kg/Cum
1620 kg/Cum
1200 kg/Cum
1500 kg/Cum
27323. Generally....... is used in varnish. [BREB-17]
spirit
water
transformer oil
none of these
27324. The specific gravity of stone should not, in any case, be less than- [MES-18]
1
1.5
2
2.5
27325. The weight of cement in one bag is- [MES-18]
45 kg
50 kg
60 kg
65 kg
27326. The base material for distemper is [MES-18]
chalk
lime
clay
lime putty
27327. The percentage of silica in a good brick clay should very from- [BREB-15; MES-16]
20 to 30%
30 to 40%
40 to 50%
50 to 60%
27328. In general FM of Sylhet sand is- [BGFCL-17]
1.8
2.5
1.5
2.8
27329. সর্বনিম্ন কত মিমি চালুনি দিয়ে অতিক্রম না করলে নমুনাকে কোর্স এগ্রিগেটস হিসেবে ধরা হয়? /BWDB-20]
৪.৭৫ মিমি
২.৩৬ মিমি
২.৪৫ মিমি
৫ মিমি
27330. What is the percentage of silica for 1st class bricks? [MES-16]
55%
65%
75%
50%
27331. The chief ingredient of paint is [BGFCL-17]
alcohol
drier
oil
pigment
27332. সিমেন্টের গুণাগুণ নির্ণয়ের কয়টি পরীক্ষা করা হয়?[RAJUK-17, BBA-20
২টি
৩টি
৪টি
৫টি
27333. Generally used fine aggregate in our country-
clay
sand
stone
silt
27334. Generally the compressive strength for good bricks is- [MES-16]
100-110 kg/cm²
120-130kg/cm²
140-150 kg/cm²
150-160 kg/cm²
27335. How many types of manufacture of fire bricks? [BREB-17]
3
4
2
5
27336. The bricks should be burnt at temperature from- [MES-16]
300°C to 500°C
500°C to 700°C
700°C to 1000°C
1000°C to 1200°C
27337. What is the standard width of corrugated sheet? [MES-16]
85cm
80cm
70cm
75cm
27338. Cement-এর Consistency test-এ কোনটি ব্যবহৃত হয়?[MOLE-19, BB-20]
Casagrande apparatus
Vicat's apparatus
UTM
Proctor apparatus
27339. When first class brick is sunk 24 hours in water how much water will absorbed of its weight? [MES-16]
1/3
1/6
1/4
1/7
27340. The volume of cement in one bag is [MES-16]
1.00 cft
1.50 cft
1.25 cft
1.15 cft