Related Questions

In slow sland filters, the turbidity of raw water can be removed only up to
A 60 mg/litre
B 75 mg/litre
C 100 gm/litre
D 150 mg/litre
Turbidity of raw water is a measure of
A Suspended solids
B Acidity of water
C B.O.D
D None of these
Turbidity of water is an indication of the presence of
A Suspended inorganic matter
B Dissolved solids
C Floating solids
D Dissolved gases
On standard silica scale, the turbidity in drinking water should be limited to
A 10 ppm
B 20 ppm
C 30 ppm
D 50 ppm
Maximum permissible turbidity in potable water is __________ ppm.
A 1
B 10
C 250
D 1000
Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?
A Absolute instruments
B Indicating instruments
C Recording instruments
D Integrating instruments
Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).
A H
B 12.6 H
C 13.6 H
D 14.6 H
India's latitudinal and longitudinal extent measured in degrees are almost the same, but its north-south extent measured in km is greater than its east-west extent. This is due to the fact that
A Longitudes are not parallel lines
B The distance between latitudes remains the same but the distance between longitudes is greatest at the Equator and nil at the poles where all longitudes join
C All longitudes with their opposites form great circles
D The earth is not a perfect sphere
একজন ছাত্র পরীক্ষাগারে অভিকর্ষজ ত্বরণের মান 9.88 m/sec2 নির্ণয় করন। অপর দিকে যখন সে 0.01 kg ভরের কোনো বাটখারাকে স্প্রিং নিক্তিতে ঝুলিয়ে দিল তখন 0.0980 N বল দেখাচ্ছে। তার পরীক্ষা অভিকর্ষজ ত্বরণের ত্রুটি নির্ণয় কর।(A student measured the value of acceleration due to gravity in the laboratory as 9.88 m/sec2. On the other hand, when he hanged a mass of 0.01 kg in the spring balance, then he found 0.0980 N force. Calculate the percentage of error in the measured value of the acceleration due to gravity.)
A -0.716%
B -0.102%
C 0.816%
D 0.102%
E -0.916%
Every relation is measured and evaluated on the basis of "reciprocity" at one point of time. (Meaning of the quotations word/phrase)
A reception
B mutual
C reactivity
D sacrifice

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