Description : When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as (A) Narrow-crested weir (B) Broad-crested weir (C) Ogee weir (D) Submerged weir
Last Answer : Answer: Option D
Description : 06. The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir. A) Agree B) Disagree
Last Answer : A
Description : Which of the following spillways is least suitable for an earthen dam? (A) Ogee spillway (B) Chute spillway (C) Side channel spillway (D) Shaft spillway
Last Answer : Answer: Option A
Description : In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir. (A) Equal to (B) One-third (C) Two-third (D) Three-fourth
Last Answer : Answer: Option C
Description : A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest. (A) Equal to (B) Less than (C) More than (D) None of these
Description : The maximum discharge over a broad crested weir is (A) 0.384 Cd × L × H1/2 (B) 0.384 Cd × L × H3/2 (C) 1.71 Cd × L × H1/ (D) 1.71 Cd × L × H 3/
Description : A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest. (A) Equal to (B) Less than (C) More than (D) None of these
Last Answer : Answer: Option B
Description : Coefficient of discharge of an ogee spillway (A) Depends on depth of approach and upstream slope (B) Depends on downstream apron interference and downstream submergence (C) Remains constant (D) Both (A) and (B
Description : In case of non-availability of space due to topography, the most suitable spillway is (A) Straight drop spillway (B) Shaft spillway (C) Chute spillway (D) Ogee spillway
Description : m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in cm, runoff can be calculated by (A) Velocity area method (B) Weir or spillway method (C) Use of venturi-meter (D) Using power plant consumption
Last Answer : (A) Velocity area method
Description : Most important method for calculating discharge for planning a water supply project, is (A) Velocity area method (B) Weir or spillway method (C) Use of venturi-meter (D) Using power plant consumption
Description : The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are (A) At right angle and parallel to weir crest (B) Parallel and at right angle to weir crest (C) Parallel to weir crest in both (D) At right angle to weir crest in both
Description : 13. In a sharp-crested weir, the thickness of the weir is kept less than half of the height of water above the crest of the weir. A) True B) False
Description : A structure used to dam up a stream or river over which the water flows is called (A) Orifice (B) Notch (C) Weir (D) Dam
Description : Sharp crested weirs are generally used (A) For large flows (B) For small flows (C) For streams carrying high sediment loads (D) For rivers carrying floating debris
Description : For a homogeneous earth dam 50 m high having 2 m free broad, a flow net was constructed and the results were : Number of potential drops = 2.4 Number of flow channels = 0.4. If co-efficiency of permeability of the dam material is ... 24 10-3 m3 /sec (C) 6 10-5 m3 /sec (D) 24 10-5 m3 /sec
Last Answer : (D) 24 × 10-5 m3 /sec
Description : Generally the weir is aligned at right angles to the direction of the main river current because (A) It ensures less length of the weir (B) It gives better discharging capacity (C) It is economical (D) All of the above
Description : When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. ... known (A) Quick condition (B) Boiling condition (C) Quick sand (D) All the above
Description : Arches in the form of masonry arcs struck from more than four centres, are called (A) Two curved arches (B) Gothic arches (C) Ogee arches (D) Drop gothic arches
Description : In a chute spillway, the flow is usually (A) Uniform (B) Subcritical (C) Critical (D) Super critical
Description : How will you differentiate between broad gauge and narrow gauge? -Geography
Last Answer : Indian railway runs on multiple gauge operations, i.e. broad gauge, metre gauge and narrow gauge. Broad gauge and narrow gauge can be differentiated based on their measurements and the distance they can be used to ... . Running track in broad gauge is 77,347 km, and in narrow gauge, it is 2474 km.
Description : What are Broad Gauge, Metre Gauge and Narrow Gauge in Indian Railway? -General Knowledge
Last Answer : Broad gauge, meter gauge, narrow gauge indicate the width between two rails. The difference in their width is as follows: Broad gauge: 1.676 meters. Narrow gauge: 0.762 meters.
Description : Do deer have a broad or narrow niche?
Last Answer : Need answer
Description : Deciduous forests have (a) Variety of grasses (b) Broad-leaved trees (c) narrow-leaved trees (d) Variety of crocodiles
Last Answer : Ans. ((b))
Description : Which of the gauges is used in the hilly areas? A. Narrow Gauge B. Meter Gauge C. Broad Gauge D. Special Gauge
Last Answer : A [Narrow Gauge] Explanation: Narrow gauge is used in the hilly areas.
Description : Which of the following stations has all the three gauges i.e Broad, Metre and Narrow? A. Lucknow B. Chandigarh C. Simla D. Siliguri
Last Answer : D [Siliguri] Explanation: Siliguri Junction is one of the three railway stations that serve Siliguri in Darjeeling district in the Indian state of West Bengal. The other two stations are: Siliguri Town and New Jalpaiguri.
Description : Distinguish between a narrow spectrum and broad spectrum antibiotic.
Last Answer : Ans. A narrow spectrum antibiotic works against a limited range of microbes whereas a broad spectrum antibiotic works against a large variety of microbes.
Description : A biocontrol agent to be a part of an integrated pest management should be (a) species-specific and symbiotic (b) free living and broad spectrum (c) narrow spectrum and symbiotic (d) species-specific and inactive on non-target organisms.
Last Answer : (d) species-specific and inactive on non-target organisms.
Description : In the terminology of economics and money demand, the terms M3 and M4 are also known as : a) Short money b) Long money c) Broad money d) Narrow money
Last Answer : c) Broad money
Description : ) In the terminology of economics and money demand, the terms M1 and M2 are also known as : a) Short money b) Long money c) Broad money d) Narrow money
Last Answer : d) Narrow money
Description : Line spectrum is obtained on the screen in the form of lines if the slit in front of the source is a) narrow square b) broad square c) narrow rectangle d) broad rectangle
Last Answer : c) narrow rectangle
Description : The following strategy will promote rather than curb emergence of antibiotic resistant micro-organisms: A. Whenever possible use broad spectrum antibiotics B. Prefer a narrow spectrum ... Prefer short and intensive courses of antibiotics D. Use antibiotic combinations for prolonged therapy
Last Answer : A. Whenever possible use broad spectrum antibiotics
Description : Research is Options: A) Data gathering B) Moving from a broad area to a narrow and focused area C) A systematic process of finding the truth D) Data gathering, processing and analysis
Last Answer : C)
Description : Why supporting wall of a dam is built very broad at the bottom?
Last Answer : The supporting wall of a dam is built very broad at the bottom because at bottom the water pressure is very large as compared to the surface of water.
Description : Which type of Rice is generally grown in submerged land lower in elevation and harvested in summer season? a. Aus b. Aman c. Boro d. Pora
Last Answer : c. Boro
Description : Pick up the correct statement from the following: (A) Large solids carried along the river bed, is known as bed load (B) The fine sediment deposits are generally near the face of ... ) Deposition of sediment in the reservoir, reduces the capacity of the reservoir (D) All the above
Last Answer : (D) All the above
Description : Will the opening of the Morganza spillway ultimately be beneficial to the bayou?
Last Answer : From a nature viewpoint, it will ultimately be beneficial, but at a cost to the residents.
Description : Define Spillway and Enlist types of spillway
Last Answer : Spillway: It is the overflow portion of every dam , over which the surplus water flows from the upstream side of reservoir to the downstream side of reservoir. It is the safety valve of a ... Chute spillway vi) Shaft spillway vii) Conduit or Tunnel spillway 2. Subsidiary or Emergency Spillway
Description : As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at (A) Lower level (B) Higher level (C) Same level (D) Any of the above depending on the design
Description : The main function of a divide wall is to (A) Control the silt entry in the canal (B) Prevent river floods from entering the canal (C) Separate the under-sluices from weir proper (D) Provide smooth flow at sufficiently low velocity
Description : A control meter is preferred to a weir because (A) It measures the discharge even in silt Leiden streams (B) The velocity of approach of the channel increases above the control, and thus removes the silt completely (C) It is not damaged by floating debris (D) All the above
Description : divide wall is provided (A) At right angle to the axis of weir (B) Parallel to the axis of weir and upstream of it (C) Parallel to the axis of weir and downstream of it (D) At an inclination to the axis of weir
Description : 05. When the end contractions of the weir are suppressed, then number of end contractions (n) are taken as zero. A) Agree B) Disagree
Description : 08. The difference between the notch and weir is that the notch is of bigger size and the weir is of a smaller size. A) Agree B) Disagree
Last Answer : B
Description : 09. According to Bazin, the coefficient of discharge varies with the height of water over the sill of a weir. A) Correct B) Incorrect
Description : A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a (A) Notch (B) Weir (C) Mouthpiece (D) Nozzle
Description : The top of the weir over which the water flows is known as (A) Sill or crest (B) Nappe or vein (C) Orifice (D) None of these
Description : The Francis formula for the discharge over Cipoletti weir is (A) 1.84 LH1/2 (B) 1.84 LH (C) 1.84 LH3/2 (D) 1.84 LH5/
Description : The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of ... 2g [H1 2 - Ha 2 ] (D) (2/3) Cd L. 2g [H1 5/2 - Ha 5/2]
Description : 4 The sheet of water flowing over a notch or a weir is known as (A) Sill or crest (B) Nappe or vein (C) Orifice (D) None of thes