BPSC AE CE (Paper 2) Quiz 1

In plate load test, pressure on soil is 40 kg/cm². The corresponding deflection,. Determine the modulus of elasticity of soil if the diameter of the plate used is 30cm.

Arrange the following cutbacks in the order of increasing viscosity

In a 500 g sample of coarse aggregate, 100g is flaky particles and 80gm is elongated particles. What is the sum of flakiness and elongation indices?

The pressure less than atmospheric pressure is known as

Froude number is ratio of inertia force to:

A water treatment plant of capacity, 1 m³/s has filters of dimensions 6 mx10m. Loading rate of the filters is 120 m³/day/m². When two of the filters are out of service for backwashing, the loading rate (in m³/day/m²) is

The BOD₅ of a wastewater sample is 200 mg/litre at 20°C . The value of the reaction constant is K = 0.2 day^-1 with base ‘e’. The ultimate BOD of the sample is

Septic tank is a

A) Settling tank

B) Digestion tank

C) Aeration tank

Which of the above is/are correct?

Select the code for the correct answer from the options given below:

What is the theme of the Environment Day 2017?

Removal of soluble organic chemicals is possible by the addition of ______ to the biological mixed liquor of an activated sludge process.