If n observations are taken, then accidental errors are proportional to

Theory of probability is applied to _____

A fluid is a substance that ________

Given the following data sedimentation tank : Volume of tank = 10 m x 50 m x Flow rate = 500 m/day The retension time would be _______

Two reservoirs at different levels are connected by two parallel pipes of diameter 2d and d. The ratio of flows in the two pipes (large smaller) is _____

Most probable value of an observed quantity available from a given set of observation is the one for which the sum of the square of errors is minimum this statement is called _______

Digonal tention in beam ______

If total hardness and alkalinity of a sample of water are 300mg/I and 100 mg /i (CaCO3 scale) respectively, then its carbonate and non-carbonate hardness (in units of mg/i) will be respectively

Dissolve organic solids in wastewater treatment may be removed by

If the modular ratio is 'm', effective depth is D, and stress ratio is r [0th/0_cbc], then the depth of neutral axis of a balanced section is ____

The horizontal component of force on a curved surface is equal to

Two pipe system are said to be equivalent when

The usual mix adopted for cement concrete for R.C.C. pipes in ________

Which of the following statement is incorrect?

A 30m chain was found to be 20 cm too long after chaining 1500m. The correct length of the total distance chained will be