Description : The runoff is affected by (A) Type of precipitation (B) Rain intensity and duration of rainfall (C) Rain distribution and soil moisture deficiency (D) All the above
Last Answer : Answer: Option D
Description : Pick up the correct statement from the following: (A) The intensity of rain is the rate at which it falls (B) The duration of rain is the time for which it falls with a given intensity (C) The frequency of rain is the number of times, if falls (D) All the above
Description : The rainfall at any place may be determined by A. Its intensity B. Its direction C. Its frequency D. All the above
Last Answer : ANS: D
Description : The amount and Intensity of monsoon rainfall is determined by the frequency of (a) western disturbances (b) dust storms (c) cyclones (d) tropical depressions
Last Answer : Ans: (d)
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 : Time of concentration (A) Is the time taken, for precipitation (B) Duration of rainfall (C) Time taken for all the ran off to reach the drain (D) Time taken for the storm water to travel from the most remote point to the drain
Last Answer : (D) Time taken for the storm water to travel from the most remote point to the drain
Description : A unit hydro graph has one unit of (A) Rainfall duration (B) Rainfall excess (C) Time base of direct runoff (D) Discharge
Last Answer : Answer: Option B
Description : Instantaneous unit hydrograph is a hydrograph of (i) Unit duration (ii) Unit rainfall excess (iii) Infinitely small duration (iv) Infinitely small rainfall excess The correct answer is (A) (i) and (ii) (B) (i) and (iv) C) (ii) and (iii) (D) (iii) and (iv)
Last Answer : Answer: Option C
Description : The time required by rain water to reach the outlet of drainage basin, is generally called (A) Time of concentration (B) Time of overland flow (C) Concentration time of overland flow (D) Duration of the rainfall
Last Answer : Answer: Option A
Description : Which of the following statements is true with regard to the erratic behaviour of Indian monsoons? (a) Uniform duration but varying amounts of rain from one year to another, as well as at ... of rainfall during different years (d) Uniform duration but varying amounts of rain from place to place
Last Answer : Ans: (c)
Description : If intensity of rainfall in cm per hour is I, percentage coefficient of run-off is P, area of catchment in square kilometres is A, the total run-off Q, is given by (A) Q = 1.758 102 API (B) Q = 2.758 ... API (C) Q = 2.758 103 API (D) Q = 2.758 103 A/PI
Last Answer : (C) Q = 2.758 × 103 × API
Description : Izzard formula for the time of concentration in minutes for the plots having no channels, is (where Lo is the length of overland flow in metres and Kp rainfall intensity in cm/hour) (A) T = 111 b. L0 1/3/(Kp)2/3 (B) T = 222 b. L0 1/2/(Kp)1/3 (C) T = 333 b. L0/Kp (D) T = 111 b. L0 1/3/(Kp)2/5
Description : A hyetograph is a graphical representation of (A) Rainfall intensity and time (B) Rainfall depth and time (C) Discharge and time (D) Cumulative rainfall and time
Description : Intermediate catch water drains are provided only, if (A) Catchment area of the watershed above road is large (B) Intensity of rainfall is heavy (C) Single catch water drain is inadequate (D) All the above
Description : An Equinox is when: (1) Day and night are of equal length (2) Day is of the shortest duration during the year (3) Day is of the longest duration in the year (4) Day when maximum rainfall of the year occurs
Last Answer : (1) Day and night are of equal length Explanation: An equinox is an astronomical event in which the plane of Earth's equator passes through the center of the Sun, which occurs twice each year, ... . They are not exactly equal, however, due to the angular size of the sun and atmospheric refraction.
Last Answer : Day and night are of equal length
Description : Following are the characteristics of an area in India: [IAS 2010] 1. Hot and humid climate 2. Annual rainfall 200 cm 3. Hill slopes up to an altitude of 1100 metres 4. Annual range of temperature 15 ... to find in the area described above? (a) Mustard (b) Cotton (c) Pepper (d) Virginia tobacco
Description : Which of the following statements is not true? (a) The intensity of monsoons is determined by tropical depressions (b) Tamil Nadu receives rainfall from north-east monsoon (c) Andhra Pradesh is not much affected by retreating south-west monsoon (d) All are correct
Description : Landslides occur because of? a. Intensity of rainfall b. Steep slopes c. Deforestation leading it soil erosion d. All the above
Last Answer : d. All the above
Description : Light intensity is generally described in terms of __________ and measured in _________. ∙ A. Luminous flux density; Lumens per unit area ∙ B. Luminous flux intensity; Lumens per unit area ∙ C. Luminous flux density; Lumens per unit volume ∙ D. Luminous flux intensity; Lumens per unit volume
Last Answer : Luminous flux density; Lumens per unit area
Description : The height of formation depends upon the a) Ground contours and the gradient adopted* b) Ground contour only c) Gradient adopted only d) Rainfall intensity over the year
Last Answer : a) Ground contours and the gradient adopted*
Description : The condition intensifies the spread of perennial propagules of weeds after being exposed by tillage a). Hot weather b). Rainfall c). High light intensity d). High wind
Last Answer : b). Rainfall
Description : Pick up the correct statement from the following: (A) Index of wetness = actual rainfall in a year at a place/normal rainfall of that place (B) Normal annual rainfall is obtained by taking the mean of the ... years (C) Index of wetness gives an idea of the wetness of the year (D) All the above
Description : The required resources for communication between end systems are reserved for the duration of the session between end systems in ________ method. a) Packet switching b) Circuit switching c) Line switching d) Frequency switching
Last Answer : b) Circuit switching
Description : A primary goal of routing and scheduling decisions is to A)determine the sequence in which customers will be called on. B)use existing transportation facilities. C)minimize nonselling time. D)determine frequency and duration of calls.
Last Answer : C)minimize nonselling time.
Description : At the muscle end-plate, d-tubocurarine reduces the: A. Number of Na+ channels B. Duration for which the Na+ channels remain open C. Ion conductance of the open Na+ channel D. Frequency of Na+ channel opening
Last Answer : D. Frequency of Na+ channel opening
Description : The pitch of sound is measured by its (a) Intensity (b) Waveform (c) Frequency (d) Loudness
Last Answer : Ans:(c)
Description : The pitch of the sound is measured by its: (1) Intensity (2) waveform (3) Frequency (4) Loudness
Last Answer : (3) Frequency Explanation: Pitch relates to the frequency, or how many times a second the particles vibrate. The distance between one wave and the next gives the wavelength. For sounds all travelling at the same speed, highfrequency (high-pitched) sounds have waves very close together.
Description : The pitch of sound depends on its – (1) Frequency (2) Intensity (3) Velocity (4) Amplitude
Last Answer : (1) Frequency Explanation: Pitch is a perceptual property that allows the ordering of sounds on a frequencyrelated scale. Pitch may be quantified as a frequency, but pitch is not a purely objective physical property; it is a subjective psychoacoustical attribute of sound.
Description : The pitch of sound depends on its (1) Frequency(2) Intensity (3) Velocity (4) Amplitude
Last Answer : Frequency
Description : What is described by the frequency of wave?
Last Answer : The number of waves that pass a point in 1 second
Description : The number of cycles described in one second is known as _______. A period of vibration B cycle C frequency D all of the above
Last Answer : C frequency
Description : The number of cycles described in one second is known as _______. C ( A ) period of vibration ( B ) cycle ( C ) frequency ( D ) all of the above
Last Answer : C ) frequency
Description : Urbanization usually results in an increase in flood frequency because ___________. a) Less water is able to runoff in streams b) Less water is able to infiltrate into the ground, so instead is ... humans and then discharged to streams d) Rainfall is greater in urban areas than in rural areas
Last Answer : b) Less water is able to infiltrate into the ground, so instead is discharged rapidly into streams
Description : Select the incorrect statement. (A) Earliest start of an activity is the early event time of the node it leaves. (B) Latest finish of an activity is the late event time of the node it enters. (C) Latest start of an activity is its latest finish minus its duration. (D) None of the above
Last Answer : (D) None of the above
Description : The magnitude of saturation photo electric current depends upon (a) Frequency (b) Intensity (c) Work function (d) Stopping potential
Last Answer : Ans:(b)
Description : Ondometer is a - (1) Measuring instrument for distance covered by motor wheels (2) Measuring instrument for frequency of electromagnetic waves (3) Device for measuring sound intensity (4) Measuring instrument for electric power
Last Answer : (2) Measuring instrument for frequency of electromagnetic waves
Description : Hertz is a unit for measuring – (1) Intensity of waves (2) Frequency of waves (3) Wavelength (4) Clarity of waves
Last Answer : (2) Frequency of waves
Description : Which of the following property of sound is affected by change in air temperature – (1) Frequency (2) Intensity (3) Amplitude (4) Wavelength
Last Answer : (4) Wavelength Explanation: The wavelength of sound changes with temperature. This is because the speed of sound changes with the temperature. Since the speed of sound is different at different temperature, this ... while the same tone in fresh water at 68°F would have a wavelength of 48.05 feet.
Description : Red light is used for signals because it has – (1) long wavelength (2) high intensity (3) high frequency (4) low refraction in the medium
Last Answer : (1) long wavelength Explanation: Red is the international colour of stop signs and stop lights on highways and intersections because it is scattered the least by air molecules. The effect of scattering is ... the colours and is able to travel the longest distance through fog, rain, and the alike.
Description : Sound energy passing per second through a unit area held perpendicular is called - (1) Intensity (2) Frequency (3) Amplitude (4) Quality
Last Answer : (1) Intensity Explanation: Sound energy passes through a unit area held perpendicular to the direction of propagation of sound waves is called intensity of sound.
Description : Decibel is the unit used for – (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency
Last Answer : (3) Intensity of sound Explanation: The decibel (abbreviated dB) is the unit used to measure the intensity of a sound. The decibel scale is a little odd because the human ear is incredibly ... of a physical quantity (usually power or intensity) relative to a specified or implied reference level.
Description : What is affected by the distance between the listener and the source of the sound because the intensity varies inversely with the square of the distance? A. Volume B. Pitch C. Loudness D. Frequency
Last Answer : C. Loudness
Description : Designates the sensation of low or high in the sense of the base and treble. A. Frequency B. Intensity C. Pitch D. SPL
Last Answer : C. Pitch
Description : The absolute value of a signal's highest intensity is called………. A. Peak Amplitude B. Frequency C. Phase D. Both a and c
Last Answer : A. Peak Amplitude
Description : Which modulation methods are the most widely used in optical systems? ∙ a. Phase and frequency modulations ∙ b. Polarization modulation and phase modulation ∙ c. Intensity modulation and phase modulation ∙ d. Intensity modulation and polarization modulation
Last Answer : Intensity modulation and polarization modulation
Description : The minimum energy required to eject an electron from a metal surface is called a) Intensity b) Threshold frequency c) Work function d) Photo energy
Last Answer : c) Work function
Description : The emission of number of photo electrons depends upon a) The colour of the body b) The frequency of incident light c) The intensity of light d) All of the above
Last Answer : c) The intensity of light
Description : Hysteresis loss least depends on (A) Frequency. (B) Magnetic field intensity. (C) Volume of the material. (D) Grain orientation of material.
Last Answer : (D) Grain orientation of material.
Description : When a certain beam of light falls upon a metal surface, it ejects photoelectrons from it. The number of photoelectrons ejected per second by the beam of light depends upon one of the following. Is it ... the work function of the metal y) the frequency of the beam z) the intensity of the beam
Last Answer : ANSWER: Z -- THE INTENSITY OF THE BEAM