311. Sewer pipes need be checked for_________________?
A. Minimum flow
B. Maximum flow
C. Both A. and B.
D. None of these
✅ The correct answer is option C.
Civil Engineering Mcqs MCQs
312. The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is____________________?
A. 100 cm
B. 110 cm
C. 120 cm
D. 150 cm
✅ The correct answer is option C.
313. The ratio of the net income before taxes to net sales is called __________________?
A. Current ratio
B. Inventory turnover
C. Profit margin ratio
D. Price-earnings ratio
✅ The correct answer is option C.
314. Which of the following is the unit of kinematic viscosity _________________?
A. pascal
B. poise
C. stoke
D. faraday
✅ The correct answer is option C.
315. The screens are fixed___________________?
A. Perpendicular to the direction of flow
B. Parallel to the direction of flow
C. At an angle 30° to 60° to the direction of flow
D. None of these
✅ The correct answer is option C.
316. If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is___________________?
A. 1 in 60
B. 1 in 100
C. 1 in 120
D. None of these
✅ The correct answer is option C.
317. The resultant of all normal pressures acts_________________?
A. at e.g. of body
B. at center of pressure
C. vertically upwards
D. at metacentre
✅ The correct answer is option C.
318. A streamline is defined as the line ________________?
A. parallel to central axis flow
B. parallel to outer surface of pipe
C. of equal yelocity in a flow
D. along which the pressure drop is uniform
✅ The correct answer is option C.
319. The angle of contact in case of a liquid depends upon____________________?
A. the nature of the liquid and the solid
B. the material which exists above the free surface of the liquid
C. both of die above
D. any one of the above
✅ The correct answer is option C.
320. Fluid is a substance which offers no resistance to change of_________________?
A. pressure
B. flow
C. shape
D. volume
✅ The correct answer is option C.