Consider the following statements. Morphological characteristics of a river are represented by : 1. Changes in the river form 2. Changes in the characteristics of the river bed s a result of variation of discharge in the river 3. No change in the river plan form Which of these statements are correct ? a) 1 and 2 b) 1 and 3 c) 2 and 3 d) 3 and 4

Consider the following statements.
 Morphological characteristics of a river are represented by :
1. Changes in the river form
2. Changes in the characteristics of the river bed s a result of variation of discharge in the river
3. No change in the river plan form
Which of these statements are correct ?
a) 1 and 2 b) 1 and 3 c) 2 and 3 d) 3 and 4
by

1 Answer

Answer :

a) 1 and 2
by

Related questions

Consider the following statements The general depth of scour calculated by Lacey’s formula in a river represents the depth below the: 1. Maximum flood level in the river 2. Minimum flow water level in the river 3. Normal flow water level in the river 4. Existing river bed level Which of these statements is/are correct ? a) 1, 2, 3 and 4 b) 1, 2 and 3 only c) 2, 3 and 4 only d) 1 only

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Last Answer : d) 1 only

Consider the following statements: Mitra’s hyperbolic transition design is based on the principle that : 1. Flow depth in the canal, as well as the discharge, is constant 2. width of the canal varies along with the discharge 3. Rate of change of velocity per unit length of transition is constant throughout the length of the transition. Which of these statements are correct ? a) 1, 2 and 3 b) 1 and 2 only c) 2 and 3 only d) 1 and 3 only

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Last Answer : d) 1 and 3 only

Consider the following statements in respect of critical flow in a wide rectangular channel: 1. The specific energy is minimum for a given discharge. 2. The discharge is maximum for a given specific energy 3. The specific force is minimum for a given discharge. 4. The Froude number is equal to unity. Which of these statements are correct? (a) 1 , 2 & 3 only (b) 1, 2, 3 & 4 (c) 1, 2 & 4 only (d) 2, 3 & 4 only

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Last Answer : (b) 1, 2, 3 & 4

Consider the following statements in respect of steady laminar flow through a circular pipe: 1. Shear stress is zero on the central axis of the pipe 2. Discharge varies directly with the viscosity of the fluid 3. Velocity is maximum at the centre of the pipe. 4. Hydraulic gradient varies as the square of the mean velocity of flow. Which of these statements are correct? (a) 1, 2 , 3 & 4 (b) 1 & 3 only (c) 2 & 4 only (d)3 & 4 only

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Last Answer : (b) 1 & 3 only

Consider the following statements: 1. Dry rot in sap wood is caused by fungal attack 2. Brown rot in coniferous woods is a result of fungal attack 3. Alternate wetting and drying of unseasoned timber causes ‘powdery’ form of decay in wood. Which of these statements are correct? (a) 1, 2 and 3 b)1 and 2 only c)2 and 3 only d)1 and 3 only

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Last Answer : (a) 1, 2 and 3

Consider the following statements. The role of the gravel bed in a rapid sand filter is : 1. To filter out large suspended matter 2. To support the sand bed above it 3. To prevent the escape of sand particles 4. To uniformly distribute the backwash water 5. To prevent algae growth Which of the following statements are correct ? a) 1, 2, 3, 4 and 5 b) 2, 3 and 4 only c) 3, 4 and 5 only d) 1, 2 and 3 only

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Last Answer : b) 2, 3 and 4 only

Consider the following statements: Air vessels are fitted on the suction and delivery sides of a reciprocating pump to 1. Achieve higher speed without separation. 2. Reduce work in overcoming frictional resistance. 3. Avoid excessive vibration permanently. 4. Have nearly uniform discharge. Which of these statements are corrects? (a) 1, 2 & 4 only (b) 1, 2 & 3 only (c) 2, 3 & 4 only (d) 1, 2, 3 & 4

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Last Answer : (d) 1, 2, 3 & 4

Pick up the correct statement from the following: (A) A graphical representation of spectral reflectance verses the various growth stages of a crop, depicts a phonologic patternB) The changes in the polarisation of the radiation reflected or emitted by an object, is known as polarisation variation (C) The degree of polarisation is a characteristic of the object which helps in the identification of the object (D) All of these

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Last Answer : Answer: Option D

Biosystematics aims at (a) the classification of organisms based on broad morphological characters (b) delimiting various taxa of organisms and establishing their relationships (c) the classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies (d) identification and arrangement of organisms on the basis of their cytological characteristics.

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Last Answer : (b) delimiting various taxa of organisms and establishing their relationships

Consider the following devices : 1. Orifice 2. Borda’s mouthpiece running free 3. Bell mouthed orifice 4. External mouthpiece What is the correct sequence of these devices by decreasing magnitude of coefficient of discharge? a) 2, 3, 1 and 4 b) 4, 3, 1 and 2 c) 4, 1, 3 and 2 d) 2, 1, 3 and 4

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Last Answer : b) 4, 3, 1 and 2

Pick up the correct statement from the following: (A) Run off and surface run off are the same (B) Run off includes the water flowing over the surface (C) Run off is sometimes called discharge of the river (D) Surface run off is sometimes called stream flow

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Last Answer : Answer: Option C

Pick up the correct statement from the following: (A) Hydrograph is a plot of discharge and time (B) In hydrographs, time is plotted on X-axis (C) The maximum flow in the river due to rainfall, is called peak flow (D) All the above

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Last Answer : Answer: Option D

Consider the following statements : 1. There is no flow across a streamline 2. Streamline spacing varies directly with velocity at the section 3. Streamlines do not cross 4. In steady flow, streamline pattern does not change with time Which of these statements in respect of stream flow pattern are correct? (a) 1, 2, 3 and 4 (b) 1 and 2 only (c) 1, 3 and 4 only (d) 2, 3 and 4 only

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Last Answer : (c) 1, 3 and 4 only

The changes in the reflectivity/emissivity with time, is called: (A) Spectral variation (B) Spatial variation (C) Temporal variation (D) None of these

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Pick up the assumption for the design of a pre-stressed concrete member from the following: (A) A transverse plane section remains a plane after bending (B) During deformation limits, Hook's law is equally applicable to concrete as well as to steel (C) Variation of stress in reinforcement due to changes in external loading is negligible (D) All the above

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Which one of the following errors is produced by platform characteristics of the sensor? (A) Altitude variation (B) Altitude (C) Orbit drift (D) All of these

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Variation in the drop size of seed can be minimised by (a) Using a short, smooth, small diameter tube with the discharge end close to bottom of furrow. (b) Discharging the seed directly from the metering device within a few centimetres of the furrow bottom. (c) Mechanically transferring the seeds from the metering unit in the furrow. (d) All of the above.

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Last Answer : d) All of the above.

Consider the following statements regarding Andaman and Nicobar Islands: 1. It enjoys equatorial climate 2. This is the only place in India where a volcano is located 3. This is the only place in India where coral bed is found Which of the statements given above is/are correct? [NDA 2010] (a) 1, 2 and 3 (b) 1 and 2 (c) 2 and 3 (d) 1 only

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channel is said to be of most economical cross-section, if (A) It gives maximum discharge for a given cross-sectional area and bed slope (B) It has minimum wetted perimeter (C) It involves lesser excavation for the designed amount of discharge (D) All of the above

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According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) (A) A × m × i) (B) C × m × i) (C) AC × m × i) (D) mi × A × C)

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Last Answer : Answer: Option C

According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) (A) A × m × i) (B) C × m × i) (C) AC × m × i) (D) mi × A × C)

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Last Answer : Answer: Option C

A depth-discharge relationship of the canal section is maintained at a notch fall because the sill of the notches is : a) Level with downstream canal bed b) Below the upstream canal bed c) Level with upstream canal bed d) Above the upstream canal bed

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Last Answer : c) Level with upstream canal bed

Two different channels, M and N, in two different sites are designed based on Lacey’s theory, to carry same quantum of discharge. But the bed material of M is found to be finer than that of N. a) Channel M will have steeper longitudinal slope b) Channel N will have steeper longitudinal slope c) Channels M and N can have same longitudinal slopes d) Silting is more in M than in N

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Last Answer : b) Channel N will have steeper longitudinal slope

Which of the following statements is correct regarding the internal rate of return (IRR) method? A. Each project has a unique internal rate of return. B. As long as you are not dealing with mutually exclusive projects, capital rationing, or unusual projects having multiple sign changes in the cash-flow stream, the internal rate of return method can be used with reasonable confidence. C. The internal rate of return does not consider the time value of money. D. The internal rate of return is rarely used by firms today because of the ease at which net present value is calculated

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Last Answer : D. The internal rate of return is rarely used by firms today because of the ease at which net present value is calculated.

Which of the following statements is correct regarding the internal rate of return (IRR) method? A. Each project has a unique internal rate of return. B. As long as you are not dealing with mutually exclusive projects, capital rationing, or unusual projects having multiple sign changes in the cash-flow stream, the internal rate of return method can be used with reasonable confidence. C. The internal rate of return does not consider the time value of money. D. The internal rate of return is rarely used by firms today because of the ease at which net present value is calculated.

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Last Answer : D. The internal rate of return is rarely used by firms today because of the ease at which net present value is calculated.

Which of the following statements is correct regarding the internal rate of return (IRR) method? A. Each project has a unique internal rate of return B. As long as you are not dealing with mutually exclusive projects, capital rationing, or unusual projects having multiple sigD. The internal rate of return is rarely used by firms today because of the ease at which net present value is calculatedn changes in the cash-flow stream, the internal rate of return method can be used with reasonable confidence. C. The internal rate of return does not consider the time value of money.

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Last Answer : D. The internal rate of return is rarely used by firms today because of the ease at which net present value is calculated.

Consider the following statements for priority queue: S1: It is a data structure in which the intrinsic ordering of the elements does determine the result of its basic operations. S2: The elements of a priority queue may be complex structures that are ordered on one or several fields. Which of the following is correct? (A) Both S1 and S2 are incorrect. (B) S1 is correct and S2 is incorrect. (C) SI is incorrect and S2 is correct. (D) Both S1 and S2 are correct.

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Last Answer : (D) Both S1 and S2 are correct.

For attaining maximum efficiency, a Francis turbine runner is so designed as to result in radial discharge at exit. This is done by : a) Providing runner vane angle at inlet as 90o b) Providing guide vane angle at inlet as 90o c) Providing runner vane angle at exit as 90o d) Designing for absolute velocity at outlet to be inclined at 90o to direction of vane there

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Last Answer : d) Designing for absolute velocity at outlet to be inclined at 90o to direction of vane there

Which is NOT a correct consequence of surgical removal of portions of these glands? A) adrenal cortex--bronzing of skin, no glucose at stress, dehydration and death B) thymus--decrease in sex drive and changes in secondary sexual characteristics C) parathyroid glands--drop in blood calcium level and tetany (muscles shake) D) ovaries--alteration in menstrual cycle and change in secondary sex characteristics E) adult thyroid--low pulse rate and body temperature and lethargy

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Last Answer : B) thymus--decrease in sex drive and changes in secondary sexual characteristics

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 the dam (C) Deposition of sediment in the reservoir, reduces the capacity of the reservoir (D) All the above

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Last Answer : (D) All the above 

Pick up the correct statement from the following: (A) The operation of removing material from the sea or river bed is known as (B) Dredging (C) Digging (D) None of these

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Last Answer : (A) The operation of removing material from the sea or river bed is known as

A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in (a) somaclonal variation (b) polyteny (c) aneuploidy (d) polyploidy.

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Last Answer : (d) polyploidy.

The ratio of discharge and plan area of a continuous flow type settling tank, is known (A) Surface loading (B) Overflow (C) Overflow rate (D) All the above

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Last Answer : (D) All the above

Discharge curve may be extended by logarithmic method if (A) Cross section of river is uniform (B) River is broader and shallower (C) River is of any type (D) None of these

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Last Answer : Answer: Option A

Hydrograph is a graphical representation of (A) Surface run off (B) Ground water flow (C) Rain fall (D) Discharge flowing in the river

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Last Answer : Answer: Option D

The meander pattern of a river is developed by (A) Average discharge (B) Dominant discharge (C) Maximum discharge (D) Critical discharge

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Last Answer : Answer: Option B

Consider the following statements relating to foundations on expansive soils: 1. Strength should be improved and compressibility should be reduced. 2. Compressibility should be increased. 3. No stabilization should be done. Which of these statements is/are correct? (a) 1, 2 & 3 (b) 2 only (c) 1 only (d) 3 only

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Last Answer : (c) 1 only

Consider the following statements: Cement mortars richer than 1 : 3 are not used in masonry work because 1. There is no gain in strength of masonry 2. There is high shrinkage 3. They are prone to segregation Which of these statements are correct? (a) 1, 2 and 3 (b) 1 and 2 only (c) 2 and 3 only (d) 1 and 3 only

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Last Answer : (b) 1 and 2 only

In the encoded file, which type of changes are made in sysmbols ? a. They are compressed b. They are changed to a letter or symbol c. They are represented in the graphical form d. No changes are made

Description : In the encoded file, which type of changes are made in sysmbols ? a. They are compressed b. They are changed to a letter or symbol c. They are represented in the graphical form d. No changes are made

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When considering fraud risk factors relating to management’s characteristics, which of the following is least likely to indicate a risk of possible misstatement due to fraud? a. Failure to correct known reportable conditions on a timely basis. b. Use of unusually conservative accounting practices. c. Nonfinancial management’s preoccupation with the selection of accounting principles. d. Significant portion of management’s compensation represented by bonuses based upon achieving unduly aggressive operating results.

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Last Answer : Use of unusually conservative accounting practices.

In the cross-section method of indirect contouring, the spacing of cross-sections depends upon (i) Contour interval (ii) Scale of plan (iii) Characteristics of ground The correct answer is (A) Only (i) (B) (i) and (ii) (C) (ii) and (iii) (D) (i), (ii) and (iii)

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Last Answer : (D) (i), (ii) and (iii)

Which of the following statements about total body water composition are correct? A. Females and obese persons have an increased percentage of body water. B. Increased muscle mass is associated with decreased total body water. C. Newborn infants have the greatest proportion of total body water. D. Total body water decreases steadily with age. E. Any person's percentage of body water is subject to wide physiologic variation.

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Which one of the following statements is true for Mohr-Coulomb envelope? (A) Coulomb suggests that the relationship between shear strength and normal stress, is adequately represented by the straight line (B) The generalised Mohr theory suggests that, though the shear stress depends on the normal stress, the relation is not linear (C) Coulomb and Mohr suggest that a definite relationship exists among the principal stress and the angle of internal friction (D) All the above

Description : Which one of the following statements is true for Mohr-Coulomb envelope? (A) Coulomb suggests that the relationship between shear strength and normal stress, is adequately represented by the straight line ... exists among the principal stress and the angle of internal friction (D) All the above

Last Answer : Answer: Option D

Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the (A) Packing may be crushed due to thermal expansion/contraction of the components of the equipments (B) Pressure drop in the equipment will be very high (C) Viscosity variation of the fluids may cause channelling/flooding (D) None of these

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Last Answer : (A) Packing may be crushed due to thermal expansion/contraction of the components of the equipments

Disc compensators are provided in large diameter fuel gas carrying pipelines to (A) Keep the pipe in proper orientation (B) Make the pipe joint leak-proof (C) Account for contraction/expansion of pipe due to temperature changes of the surroundings (D) Account for the pressure variation side the pipeline

Description : Disc compensators are provided in large diameter fuel gas carrying pipelines to (A) Keep the pipe in proper orientation (B) Make the pipe joint leak-proof (C) Account for contraction/expansion ... due to temperature changes of the surroundings (D) Account for the pressure variation side the pipeline

Last Answer : (C) Account for contraction/expansion of pipe due to temperature changes of the surroundings

The variation in output voltage as the load changes is referred to as what? How is it expressed?

Description : The variation in output voltage as the load changes is referred to as what? How is it expressed?

Last Answer : Voltage regulation. As a percentage.

Cash Flow Statement is also known as A. Statement of Changes in Financial Position on Cash basis B. Statement accounting for variation in cash C. Both a and b D. None of the above

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An erratic variation of speed governor when it is over compensated for speed changes is a) Governor strength b) Governor regulation c) Governor hunting

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Last Answer : c) Governor hunting