Maximum permissible concentration of total hardness in drinking water is?

50
100
200
500

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

Maximum permissible concentration of total hardness in drinking water is 200.

5 views Answered 2022-09-01 13:21

Related Questions

Statement : Residents from Model Colony coming under North Ward of City X have complained to the Ward Officer that for last three days the tap water in the ward is contaminated and no action is being initiated by municipal staff. Courses of Action : I. The Ward Officer of North Ward should initiate action against residents who have lodged complaints against municipal staff. II. The Ward Officer should ask his junior officer to visit Model Colony to assess the actual condition of water with his staff and to get samples of water tested from laboratories. III. The Ward Officer should ask Ward Engineer to check water installations and pipelines in the Model Colony area.?

1 Answers 6 Views

Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels.?

1 Answers 5 Views

As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram)?

1 Answers 4 Views

The method that cannot be used for removing permanent hardness of water is?

1 Answers 4 Views

The two metal ions that cause hardness to water are:?

1 Answers 5 Views

Permanent hardness of water may be removed by addition of?

1 Answers 5 Views

Maximum permissible concentration of copper in drinking water in mg/L is?

1 Answers 5 Views

Surface water is a better source of drinking water because it is poor in?

1 Answers 5 Views

The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as?

1 Answers 4 Views

The maximum permissible size of aggregates to be used in casting the ribs of a slab, is?

1 Answers 5 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)