Water Supply and Sanitary

281) Soft waters have a hardness of

Discuss in Comment

less than 75 mg/l

282) Carbonate hardness is due to

Discuss in Comment

Ca(HCO3)2, Mg(HCO3)2 and MgCO3

283) The effluent from the lime soda process contains a hardness of

Discuss in Comment

50 mg/l

284) Argument against provision of water meters is

Discuss in Comment

sanitation of poor may be neglected

285) The best pipe of water mains known for long life is

Discuss in Comment

cast iron

286) The pipe that is light, having low coefficient of expansion and resistant to corrosion is

Discuss in Comment

asbestos cement

287) The best material for pipes to be laid under water is

Discuss in Comment

cement concrete

288) Mostly used pipe for plumbing is

Discuss in Comment

galvanised iron

289) Besides calcium and magnesium, hardness is also caused because of salts of

Discuss in Comment

strontium

290) Fluorides are removed from water by

Discuss in Comment

activated alumina

Subject Notes

→ Hydraulics → Structural Design-RCC → Irrigation Engineering → Highway Engineering → Engineering Survey → Water supply & sanitary → Soil Mechanics → Mechanics and structure → Construction Management → Building Construction → Estimating and Costing → Engineering Drawing → Building Material → Airport Engineering

Objective Box

→ Airport Engineering → Building Construction → Construction Management → Construction Materials → Engineering Drawing → Engineering Survey → Estimating and Costing → Highway Engineering → Fluid & Hydraulics → Soil Mechanics → Structural Design - RCC → Water Supply and Sanitary → Irrigation Engineering → Mechanics and Structure → Civil MCQ Set 1 → Civil MCQ Set 2 → Civil MCQ Set 3 → Civil MCQ Set 4

PSC ADVERTISEMENT

1. PSC Federal. 2. PSC Madesh Pradesh. 3. PSC Gandaki Pradesh. 4. PSC Sudur Pradesh. 5. PSC Koshi Pradesh. 6. PSC Bagmati Pradesh. 7. PSC Karnali Pradesh. 8. PSC Lumbini Pradesh.

Your Reaction

CIVILBOSS is a free education & learning platform, for the global community of civil engineering students and working professionals, where you can practice multiple choice questions & answers (MCQs), Study Notes, tutorials, Civil Engineering PSC Old Question for Various Level, PSC Exam Crack, Short Question & Answer for Related Particular Topic and Many More. It covers your one-stop destination for job exam preparation with daily practice MCQ and notes.

"Scientists dream about doing great things. Engineers do them."

Copyright © | 2021 - 2026 | Civil Boss For "MCQ" and Psc Notes. All rights Reserved

Follow us