MCQ
21. Hardness of water is primarily caused by-
metallic ions
mono- velant metallic
di-velant metallic ions
di-velant metallic cation
22. Capillary rise will be greater in-
gravel
fine sand
silt
coarse sand
23. Arsenic contamination has primarily affected-
The depth aquifers
The shallow aquifers
The rivers
None of these
24. The standard value of Equivalent single Axle Load (ESAL) is-
1 kip
18 kip
8.2 kip
1.8 kip
25. 10 সাধারনভাবে স্থাপিত L' মিটার দৈর্ঘ্যবিশিষ্ট একটি বীমে সমভাবে বিস্তৃত প্রতি মিটার w kg লোডের জন্য সর্বোচ্চ বেন্ডিং মোমেন্ট-
WL²/4
WL²/8
WL²/22
. WL2/12
26. Weight of 1m³ of M.S Rod is-
490 kg
7850 kg
1000kg
850 kg
27. A slab needs to be designed as one way slab if-
It is square in shape
Its width is less than its lengths
its thickness exceeds 6 ions
its length is more than twice its width
28. If a footing supports several columns it is called-
Spread footing
Continuous footing
Combined footing
Isolated footing
29. Structural design of pavement is based on-
Fatigue Load
Static Load
Maximum Load
Most frequent Load