Civil Engineering MCQ. PWD, CPWD, RRB, SSC, Mock Test Paper
Subject: Dams and Hydraulic Structures 2
Part 2: List for questions and answers of Dams and Hydraulic Structures
Q1.In rigid module, the discharge
a) Is independent of water levels in the distributary and water course
b) Depends upon the water level in distributary
c) Depends upon the water level in the water course
d) None of these
Q2.The ratio of the rate of change of discharge of an outlet and parent channel, is known as
a) Efficiency
b) Sensitivity
c) Flexibility
d) Modular limit
Q3.Cross regulators in main canals are provided
a) To regulate water supply in the distributaries
b) To increase water head upstream when a main canal is running with low supplies
c) To overflow excessive flow water
d) None of these
Q4.The ratio of the head recovered to the head put in, is known as
a) Efficiency
b) Sensitivity
c) Flexibility
d) Modular limit
Q5.A fall which maintains its depth, is
a) A trapezoidal notch fall
b) A low weir fall
c) A rectangular notch fall
d) All the above
Q6.The water face of the guide banks, is protected by
a) One men stone pitching
b) Two man stone pitching
c) Three man stone pitching
d) Five man stone pitching
Q7.The field capacity of a soil depends upon
a) Capillary tension in soil
b) Porosity of soil
c) Both (a) and (b)
d) Neither (a) nor (b)
Q8.Finally formed berms in canals are provided for
a) Protection of banks erosion by the waves
b) Control of seepage losses
c) Strengthening of banks
d) All the above
Q9.an outlet is said to be proportional if its flexibility, is
a) Zero
b) Less than one
c) More than one
d) One
Q10.A counter berm is
a) A horizontal benching provided on the inside slope
b) A horizontal benching provided on the outside slope
c) A vertical benching provided on the outer edge of the bank
d) A vertical benching provided on the inner edge of the bank
Q11.For diversion of flood water of rivers, the type of canal constructed, is
a) Ridge canal
b) Perennial canal
c) Inundation canal
d) Canal
Q12.Process of meandering is due to
a) Sediment load of streams
b) Discharge and hydraulic properties of streams
c) Relative erodibility of the bed and banks
d) All the above
Q13.For cereal crops the most commonly adopted method of irrigation, is
a) Free flowing method
b) Check method
c) Furrow method
d) Sprinkling method
Q14.The ratio of the rate of change of discharge of an outlet to the rate of change in level of water surface in a distributaries at its normal depth, is known as
a) Efficiency
b) Sensitivity
c) Flexibility
d) Modular limit
Q15.The most suitable section of a lined canal, is
a) Triangular section with circular bottom for small canals
b) Trapezoidal section with rounded corners for large canals
c) Rectangular section with rounded corners for large canals
d) Both (a) and (b)
Q16.To hold hydraulic jumps, baffle walls are provided in
a) Sarda type falls
b) English type falls
c) Montague type falls
d) Vertical type falls
Q17.Most commonly used pump for lifting water in water supply mains, is
a) Axialflow pump
b) Reciprocating pump
c) Rotary type pump
d) Centrifugal pumps
Q18.Economic height of a dam is the height corresponding to which
a) Cost of the dam per unit of storage is minimum
b) Amount of silting is less
c) Cost of dam per unit storage is maximum
d) None of these
Q19.Distribution mains of any water supply, is normally designed for its average daily requirement
a) 100%
b) 150%
c) 200%
d) 225%
Q20.if ph value of water is
a) 7 water it is said to be neutral
b) Less than 7 it is said to be acidic
c) More than 7 it is said to be alkaline
d) All the above
Part 2: List for questions and answers of Dams and Hydraulic Structures
Q1. Answer: a
Q2. Answer: c
Q3. Answer: b
Q4. Answer: a
Q5. Answer: d
Q6. Answer: a
Q7. Answer:
Q8. Answer: d
Q9. Answer: d
Q10. Answer: b
Q11. Answer:
Q12. Answer: d
Q13. Answer: b
Q14. Answer: b
Q15. Answer: d
Q16. Answer: b
Q17. Answer: a
Q18. Answer: a
Q19. Answer: d
Q20. Answer: d