civil engineering question with answers

civil engineering questions and answers

MCQ 1. A forebay is an enlarged body of water provided just in

(A) Power house 
(B) Draft tube
(C) Penstocks 
(D) Turbines

MCQ 2. Aluminum is obtained from the ore called as

(A) Bauxite 
(B) Ferrite
(C) Magnetite 
(D) Calcite

MCQ 3. Deflection in a truss depends upon

(A) axial rigidity 
(B) flexural rigidity
(C) torsional rigidity 
(D) axial and flexural rigidity

MCQ 4. An orifice is called a large orifice if water head, is

(A) twice the diameter of the orifice
(B) thrice the diameter of the orifice
(C) four times the diameter of the orifice
(D) five times the diameter of the orifice

MCQ 5. A stagnation point is a point

(A) Where the pressure is zero
(B) Where the total energy is zero
(C) Where the velocity of flow reduces to zero
(D) Where the total energy is maximum

MCQ 6. According to the direction of flow through runner, Pelton turbine is

(A) Tangential flow impulse turbine 
(B) Radial flow impulse turbine
(C) Axial flow impulse turbine 
(D) Mixed flow impulse turbine

MCQ 7. Type of Jump occurs for froude number F1 = 4.5 to 9.0

(A) Steady 
(B) Strong
(C) Undular 
(D) Oscillating

MCQ 8. For cereal crops the most commonly adopted method of irrigation, is

(A) free flooding
(B) check method
(C) furrow method 
(D) sprinkler method

MCQ 9. For standing crops in undulating sandy fields, the best method of irrigation,is

(A) sprinkler method 
(B) free flooding
(C) check method 
(D) furrow method

MCQ 10. In a canal syphon, flow is

(A) under atmospheric pressure 
(B) pipe flow only
(C) with critical velocity 
(D) under negative pressure

MCQ 11. The friction drag is primarily due to

(A) Pressure distribution over the body surface
(B) Separation of boundary layer
(C) Shear stresses generated due to viscous action
(D) Weight component in the direction of the flow

MCQ 12. Infiltration capacity

(A) is constant factor 
(B) changes with time
(C) changes with location 
(D) changes with time and location


MCQ 13. According to khosla theory, the exit gradient in the absence of down stream cut-off is

(A) zero 
(B) unity
(C) infinity 
(D) very large

MCQ 14. The length of the hydraulic jump is found to be

(A) 10 to 15 times depth of jump
(B) 1 to 2 times depth of jump
(C) 5 to 7 times depth of jump
(D) Has no relation to the depth of jump

MCQ 15. Kaplan turbine is

(A) an impulse turbine 
(B) a radial flow impulse turbine
(C) an axial flow reaction turbine 
(D) a radial flow reaction turbine

MCQ 16. How many additional rain gauges are required in a 
catchment, if the error allowed in estimation of mean rainfall is to be reduced by half than the present one?

(A) Equal to the present number 
(B) Twice the present number
(C) Thrice the present number 
(D) Four times the present number

MCQ 17. The rate of rainfall above which the rainfall volume equals the runoff volume is called

(A) W index 
(B) φ Index
(C) Runoff coefficient 
(D) Basin recharge

MCQ 18. The base period of particular crop is 120 days. If the duty is 1500 ha per cumecs, the delta is about

(A) 69cm 
(B) 138cm
(C) 35cm 
(D) 54cm

MCQ 19. Which of the following is not the mode of failure of a gravity dam

(A) Overturning failure 
(B) Sliding failure
(C) Tension failure 
(D) Seepage failure