Description : What range of frequencies are usually referred to as audio frequencies for humans? w) 0 to 20 Hertz x) 20 to 20,000 Hertz y) 200 to 200,000 Hertz z) 10,000 to 30,000 Hertz
Last Answer : ANSWER: X -- 20 TO 20,000 HERTZ
Description : What range of frequencies are usually referred to as the Ultra High Frequency (UHF) Band? w) 3 to 30 Mega Hertz x) 30 to 300 Mega Hertz y) 300 to 3,000 Mega Hertz z) 30,000 to 300,000 Mega Hertz
Last Answer : ANSWER: Y -- 300 to 3,000 MEGA HERTZ
Description : The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as
Last Answer : Audible sounds
Description : The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as – (1) Audible sounds (2) Ultrasonics (3) Infrasonics (4) Megasonics
Last Answer : (1) Audible sounds Explanation: An audio frequency is characterized as a periodic vibration whose frequency is audible to the average human. It is the property of sound that most determines ... 000 Hz, although the range of frequencies individuals hear is greatly influenced by environmental factors.
Description : The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as (1) Audible sounds (2) Ultrasonics (3) Infrasonics (4) Megasonics
Description : What does the Hertz (Hz) designation in LCD TV specs mean?
Last Answer : The refresh rate of the picture; as the screen is drawn , the pixels are refreshed a certain number of times per second, thus refresh rate. Rate is measured in cycles per second and ... , as some camera technologies suffer from refresh issues when acquiring the image (CMOS sensors in particular).
Description : A loudspeaker cabinet has an internal volume of 5,184 in3 (84,950 cm3 ). It has a port area on the baffle of 50 in2 (322.58cm2 ) and a thickness of 0.70 in (18 mm). What is the Helmholtz resonance, in hertz, of this loudspeaker enclosure? A. 250 Hz B. 245 Hz C. 240 Hz D. 255 Hz
Last Answer : C. 240 Hz
Description : A speaker cabinet has an internal volume 84,950 cm3 . It has a port area on the baffle of 3,230 cm2 and baffle thickness of 19 mm. What is the Helmholtz resonance hertz of this speaker enclosure? A. 260 Hz B. 245 Hz C. 265 Hz D. 250 Hz
Last Answer : B. 245 Hz
Description : Pick up the correct statement from the following: (A) Frequency is the number of wave crests passing a fixed point in one second (B) Frequency of a wave is measured in Hertz (Hz) (C) Amplitude of a wave is the height of its crust from the mid-point (D) All of these
Last Answer : Answer: Option D
Description : The profit of a company (whose capital is divided into 25‚000 shares of Rs. 10 each) for the last three years are : Rs. 50‚000; Rs. 60‚000 and Rs. 40‚000. The fair return on investment is taken at 10% p.a. The value of company’s share will be– (A) Rs. 10 (B) Rs. 20 (C) Rs. 30 (D) Rs. 40
Last Answer : Answer: Rs. 20
Description : In a one-stage space division switch, if N = 200, the number of crosspoints is ______. A) 10,000 B) 20,000 C) 40,000 D) 30,000
Last Answer : 40,000
Description : How much does it cost for MTBF per 1,000 hours of reliability? a. $0.50 b. $0.40 c. $0.30 d. $0.20 e. $0.10
Last Answer : c. $0.30
Description : Children under the age of 5 can hear up to___________. a)25 Hz b)25 kHz c)20 Hz d)20kHz
Last Answer : b)25 kHz
Description : The penetration of powered machines in various farm activities is assede in the range of .. to .. a. 40,30. c) 20,40 b. 50,10. d) 40,45
Last Answer : 40,45
Description : How many hertz can a human ear hear?
Last Answer : What is the answer ?
Description : Ten signals, each requiring 3000 Hz, are multiplexed on to a single channel using FDM. How much minimum bandwidth is required for the multiplexed channel ? Assume that the guard bands are 300 Hz wide. (A) 30,000 (B) 32,700 (C) 33,000 (D) None of the above
Last Answer : (B) 32,700
Description : What is the approximate range of frequencies that humans can hear?
Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want
Description : An accelerometer has input range of 0 to 10g, natural frequency 30 Hz and mass 0.001 kg. The range of the secondary displacement transducer in mm required to cover the input range is (A) 0 to 2.76 (B) 0 to 9.81 (C) 0 to 11.20 (D) 0 to 52.10
Last Answer : An accelerometer has input range of 0 to 10g, natural frequency 30 Hz and mass 0.001 kg. The range of the secondary displacement transducer in mm required to cover the input range is 0 to 2.76
Description : 1 Pass opening entries: Debtors ₹ 20,000; Creditors ₹ 30,000; Computer ₹ 50,000 and Capital ₹ 40,000.
Last Answer : Journalise the following transactions in the Journal Proper of Mr. Mahadev. 1 Pass opening entries: ... Allowed cash discount of ₹ 1,000 to Ajay.
Description : In a business, X,Y and Z inversed Rs.20,000/-,Rs.30,000/- and Rs.40,000/- respectively. After 1 year X adds Rs.10000/- to the initial investment.Y and Z withdrew Rs.10000/- and Rs.15,000/- respectively. After 2 years the total profit is Rs.9900/-. What is X’s share?. A) 3000 B) 2700 C) 3600 D) 4000
Last Answer : Answer: A) X's Share = Rs.20000/- per first 1 year, Next year 10000/- added = Rs.20000/- 1 + Rs.30000/- 1 = Rs.50000/- Y's Share = Rs.30000/- per first 1 year, Next year 10000/- reduced = Rs.30000 ... /- 1 part------> Rs300/- Then, X's share is 10 parts = Rs.300/- 10 parts = Rs.3000/-
Description : The agreed standard for measuring loudness is the loudness sensation produced by a 1000 Hz sine wave _____ dB above the listener’s threshold of hearing. A. 80 B. 50 C. 30 D. 40
Last Answer : D. 40
Description : A carrier signal has ______. A. Constant peak amplitude B. The information C. Frequency range 20-20000 Hz D. A varying amplitude
Last Answer : A. Constant peak amplitude
Description : What is the ideal temperature range for fish farming a. Less than 15 oC b. 20-30 oC c. 30-40 oC d. 15-20 Oc
Last Answer : b. 20-30 oC
Description : What is the range, in hertz, of the normal human hearing?
Last Answer : 20 Hz to 20 kHz
Description : Human beings can hear the sound range between: (1) 10 to 20 decibels (2) 100 to 150 decibels (3) 50 to 60 decibels (4) None of the above
Last Answer : (4) None of the above Explanation: The most accepted sound range of human being is 0 to 120 decibels.
Description : At what loudness level do pitch (in mels) and frequency (in Hz) are numerically equal? A. 0 dB B. 20 dB C. 60 dB D. 40 dB
Last Answer : D. 40 dB
Description : The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating for heads, large jaws with heavy teeth, stocky ... and stooped posture was (1) Ramapithecus (2) Homo habilis (3) Neanderthal human (4) Cro-magnan humans
Last Answer : (3) Neanderthal human
Description : Calculate natural frequency of damped vibration, if damping factor is 0.52 and natural frequency of the system is 30 rad/sec which consists of machine supported on springs and dashpots. A 21 rad/sec B 25.62 rad/sec C 20.22 Hz D 3.15 Hz
Last Answer : B 25.62 rad/sec
Description : A 1 kg mass is suspended by a spring having a stiffness of 0.4 N/mm. Determine the natural frequency. A 20 rad/sec B 30 rad/sec C 20 Hz D 30 Hz
Last Answer : B 30 rad/sec
Description : The normal range of filtration factor in an adult is (A) 0.10–0.15 (B) 0.16–0.21 (C) 0.25–0.30 (D) 0.35–0.40
Last Answer : Answer : B
Description : A limited company makes a net profit of Rs. 2,00,000 after writing off preliminary expenses amounting to Rs. 20,000 and providing for depreciation on assets amounting to Rs. 40,000 and gain of Rs. 10,000 on sale of a piece of ... 2,00,000 (B) Rs. 2,40,000 (C) Rs. 2,50,000 (D) Rs. 2,60,000
Last Answer : Answer: Rs. 2,50,000
Description : The sounds of which frequency are human beings most sensitive? A. 400 hertz B. 20 hertz C. 20000 hertz D. 5000 hertz (Answer)
Last Answer : D. 5000 hertz (Answer)
Description : The size of a single plant cell is usually within the range of A.10-20μm in diameter and 25-100μm long B.20-40μm in diameter and 100-200μm long C.40-60μm in diameter and 200-300μm long D.60-80μm in diameter and 300-400μm long
Last Answer : B.20-40μm in diameter and 100-200μm long
Description : What range of frequencies are usually referred to as the UHF Band? w) 3 to 30 Megahertz x) 30 to 300 Megahertz y) 300 to 3,000 Megahertz z) 30,000 to 300,000 Megahertz
Last Answer : ANSWER: Y -- 300 TO 3,000 MEGAHERTZ
Description : which of the following animals could detect sound at a frequency of 67,000 hz? -General Knowledge
Last Answer : Dogs could detect sound at a frequency of 67,000 Hz.
Description : What is the required quality factor for an SSB filter with the following data: center frequency= 1 MHz, the desired attenuation level of the unwanted sideband= 80 dB and the separation between sidebands= 200 Hz? A. 1,250 B. 12,500 C. 125,000 D. 25,000
Last Answer : C. 125,000
Description : ____________ is the out-of-band signaling between toll central offices (Bell System Standard) A. 2,000 Hz B. 800 Hz C. 3,835 Hz D. 3700 Hz
Last Answer : D. 3700 Hz
Description : What must the physical length of a transmission line be if it will be operated at 15,000,000 Hz?
Last Answer : . λ = 20 meters
Description : For the irreversible reaction, Ca+ 2C = Ca C2, Δ H°298 = - 60000 J . mole-1. If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved ... will be (A) 30,000 J (B) 60,000 J (C) 90,000 J (D) 2,40,000 J
Last Answer : (C) 90,000 J
Description : An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is (A) 49.9 kg/cm2 (B) 100 kg/cm2 (C) 250 kg/cm2 (D) 175 kg/cm
Last Answer : Answer: Option A
Description : A and B established a firm together. A’s investment was thrice that of B’s. A also kept the investment for twice as much time as B. If B got a profit of 4000, what was the total profit? A.30,000 B.28,000 C.40,000 D.45,000
Last Answer : Answer- B(28,000) Explanation:- let B’s investment= X then A’s investment= 3X lets tim for B = t then,A’s time= 2t A:B 3X x 3t : X x t 6:1 B’s share= 1/7 x total = 4000 total=28,000
Description : . If credit sales for the year is Rs. 5,40,000 and Debtors at the end of year is Rs. 90,000 the Average Collection Period will be (a) 30 days (b) 61 days (c) 90 days (d) 120 days
Last Answer : (b) 61 days
Description : A working partner gets 25% as his commissions after his commissions paid that is equal to Rs.7500, then what is the total profit ? A) Rs.32,000 B) Rs.30,000 C) Rs.37,500 D) Rs.40,000 E) None of these
Last Answer : Answer: C X=total profit 25/100*[x-7500] = 7500 x-7500 = 7500*100/25 =30,000 x = 37,500
Description : Alfa Company Limited acquired the business of M/s Bharat Traders. The valuation of the items acquired was-building Rs. 1,20,000; machinery Rs. 80,000 and stock-in-trade Rs. 30,000. The company issued in lieu of the above items 800, ... ) Rs. 2,30,000 (B) Rs. 1,00,000 (C) Rs. 50,000 (D) Rs. 30,000
Last Answer : Answer: Rs. 30,000
Description : XYZ Ltd. issued 10,000 shares of Rs. 100 each at Rs. 120 per share with Rs. 25 on application, Rs. 45 on allotment including premium, Rs. 20 on first call and Rs. 30 on final call. Govind who held 200 shares did not pay ... forfeiture ? (A) Rs. 14,000 (B) Rs. 10,000 (C) Rs. 9,000 (D) Rs. 4,000
Last Answer : Answer: Rs. 10,000
Description : A rectangular beam 20 cm wide is subjected to a maximum shearing force of 10,000 kg, the corresponding maximum shearing stress being 30 kg/cm2 . The depth of the beam is (A) 15 cm (B) 20 cm (C) 25 cm (D) 30 cm
Last Answer : (C) 25 cm
Description : What is the time of useful consciousness at 20,000 feet (moderate activity)? a. 5 minutes b. 1 minute c. 10 minutes d. 30 seconds
Last Answer : a. 5 minutes
Description : Calculate cost of sales from the following: Net Works cost: Rs. 2,00,000 Office & Administration Overheads: Rs. 1,00,000 Opening stock of WIP: Rs. 10,000 Closing Stock of WIP: Rs. 20,000 Closing stock of finished goods: Rs. ... Rs. 2,70,000 (b) Rs. 2,80,000 (c) Rs. 3,00,000 (d) Rs. 3,20,000
Last Answer : (b) Rs. 2,80,000