Description : A body which is attached to a spring undergoes simple harmonic motion. The magnitude of the body's acceleration is: w) constant x) proportional to its displacement from its equilibrium position y) zero z) always increasing.
Last Answer : ANSWER: X -- PROPORTIONAL TO ITS DISPLACEMENT FROM ITS EQUILIBRIUM POSITION
Description : SHM is the motion in which acceleration of the body is proportional to its displacement and directed towards the mean position. A. True B. False C. Neither True Nor False D. None
Last Answer : A. True
Description : In simple harmonic motion, the acceleration is: w) constant x) proportional to the distance from the central position y) greatest when the velocity is greatest z) none of the above
Last Answer : ANSWER: X -- PROPORTIONAL TO THE DISTANCE FROM THE CENTRAL POSITION
Description : Which of the following statements dealing with simple harmonic motion of a mass-spring system is TRUE? w) The acceleration is largest when the oscillating mass is instantaneously at rest. x) The ... of the motion. z) The acceleration is larger when the oscillating mass has its greatest velocity.
Last Answer : ANSWER: W -- THE ACCELERATION IS LARGEST WHEN THE OSCILLATING MASS IS INSTANTANEOUSLY AT REST
Description : The periodic time of a body moving in Simple Harmonic Motion is a.Directly proportional to its angular velocity b.Directly proportional to the weight of the body c.Inversely proportional to ... d.Directly proportional to the momentum of swinging body e.Inversely proportional to the angular velocity
Last Answer : e. Inversely proportional to the angular velocity
Description : . In magnetic flow meters, voltage generation is (A) Due to the motion of conducting fluid through an externally generated uniform field (B) Proportional to the fluid velocity (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : The vector representing acceleration on a vector diagram for a harmonic motion A) Lags the displacement vector by 90° B) Lags the displacement vector by 180° C) Leads the displacement vector by 90° D) Leads the displacement vector by 180°
Last Answer : C) Leads the displacement vector by 90°
Description : The velocity vector in a vector diagram for a harmonic motion A Lags the displacement vector by 180 0 B Lags the displacement vector by 90 0 C Leads the displacement vector by 90 0 D Leads the displacement vector by 180 0
Last Answer : C Leads the displacement vector by 90 0
Description : The velocity vector in a vector diagram for a harmonic motion A) Lags the displacement vector by 180° B) Leads the displacement vector by 90° C) Lags the displacement vector by 90° D) Leads the displacement vector by 180°
Last Answer : B) Leads the displacement vector by 90°
Description : The velocity vector in a vector diagram for a harmonic motion C (A) Lags the displacement vector by 180 0 (B) Lags the displacement vector by 90 0 (C) Leads the displacement vector by 90 0 (D) Leads the displacement vector by 180 0
Last Answer : (C) Leads the displacement vector by 90 0
Description : The maximum acceleration of a particle moving with simple harmonic motion is ____. A. ω B. ω.r C. ω / 2 π D. 2 π / ω
Last Answer : B. ω.r
Description : The maximum acceleration of a particle moving with simple harmonic motion is ____. (A) ω (B) ω.r (C) ω / 2 π (D) 2 π / ω
Last Answer : (B) ω.r
Description : The period of oscillation of a particle undergoing simple harmonic motion is: w) independent of the amplitude of the motion x) directly proportional to the frequency of oscillation y) independent of the frequency of oscillation z) none of the above
Last Answer : ANSWER: W -- INDEPENDENT OF THE AMPLITUDE OF THE MOTION
Description : A body in Simple Harmonic Motion will attain maximum velocity when it passes through a.Point of 0.75 amplitude b.Extreme point of the oscillation of L.H.S. c.Point of half amplitude d.Extreme point of the oscillation at R.H.S. e.Mean position
Last Answer : e. Mean position
Description : A body is vibrating with simple harmonic motion of aplitude 5 cm frequency 10 vibrations per second. The maximum value of velocity in cm/s will be a.3.14 cm/s b.314 cm/s c.3140 cm/s d.31.4 cm/s e.31400 cm/s
Last Answer : b. 314 cm/s
Description : With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the (A) Velocity increases (B) Pressure decreases (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : Mass velocity in case of steady flow and through a constant crosssection conduit is independent of the (A) Temperature (B) Pressure (C) Both (A) & (B) (D) Neither (A) nor (B)
Description : Horsepower required for a roll crusher is directly proportional to its (A) Reduction ratio (B) Capacity (C) Both (A) & (B) (D) Neither (A) nor (B)
Description : Fanning friction factor for laminar flow of fluid in a circular pipe is (A) Not a function of the roughness of pipe wall (B) Inversely proportional to Reynolds number (C) Both (A) & (B) (D) Neither (A) nor (B)
Description : Work study deals with the __________ study. (A) Time (B) Motion (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : C) Both (A) & (B)
Description : The current in a metal at any frequency is due to a) Conduction current b) Displacement current c) Both conduction and displacement current d) Neither conduction nor displacement current
Last Answer : a) Conduction current
Description : Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its (A) Molecular weight (B) Aromatics content (C) Both ‘a’ & ‘b’ (D) Neither ‘a’ nor ‘b’
Last Answer : (C) Both ‘a’ & ‘b
Description : Hydraulic mean depth (Dm) for a circular pipe of diameter 'D' flowing full is 0.25 D. For a circular channel, at Dm = 0.3 D, gives the condition for the maximum (A) Flow rate (B) Mean velocity (C) Both 'a' & 'b' (D) Neither 'a' nor 'b
Last Answer : (B) Mean velocity
Description : Velocity head on sudden enlargement in a horizontal pipe is converted into __________ head. (A) Elevation (B) Pressure (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (B) Pressure
Description : Which of the following statements are TRUE for damped vibrations? (P) . For a system having critical damping, the value of the damping ratio is unity and system does not undergo a vibratory motion. (Q) . Logarithmic decrement method ... Q only (B) P and S only (C) P, Q and R only (D) Q and S only
Last Answer : (C) P, Q and R only
Description : A particle in simple Harmonic Motion while passing through mean position will have a.Maximum kinetic energy and minimum potential energy b.Average kinetic energy and average potential energy c. ... energy d.Maximum kinetic energy and maximum e.Minimum kinetic energy and minimum potential energy
Last Answer : a. Maximum kinetic energy and minimum potential energy
Description : The moving parts of a machine which weigh 1 tonne perform vertical simple harmonic motion with an amplitude of 2.5 cm and a period of 0.5 sec. The base of the machine weighs 3 tonnes and rests on the ground. Maximum ... would be a.3.6 tonnes b.2.4 tonnes c.4.0 tonnes d.4.8 tonnes e.4.4 tonnes
Last Answer : e. 4.4 tonnes
Description : A particle is moving in Simple Harmonic Motion in a simple pendulum with some period of oscillation. Now in order to double the period of oscillation a.The length of pendulum should be quadrupled b.The ... length of pendulum should be reduced to one fourth e.The mass of the bob should be doubled
Last Answer : a. The length of pendulum should be quadrupled
Description : A body is executing simple harmonic motion of amplitude 1 cm. Its velocitywhile passing through the central point is 10 mm/sec. Its frequency will be a.2.99 rps b.2.22 rps c.1 rps d.1.59 rps e.1.77 rps
Last Answer : c. 1 rps
Description : An insect of negligible mass is sitting on a block of mass M, tied with a spring of force constant K. The block performs simple harmonic motion with a
Last Answer : An insect of negligible mass is sitting on a block of mass M, tied with a spring of force constant K. The block ... /2 sqrt(k/M)` D. `2A sqrt(k/M)`
Description : Which of the following is an example of simple harmonic motion? (1) Earth spinning on its axis (2) Simple pendulum motion (3) Bali bouncing on floor (4) Motion of a ceiling fan
Last Answer : (2) Simple pendulum motion Explanation: When a body moves about a mean position in such a way that the acceleration is proportional to the displacement and is always directed towards the mean ... to execute a simple harmonic motion. The motion of a simple pendulum falls under this category.
Description : The motion of a body that repeats itself after a regular interval of time is – (1) a periodic motion (2) a simple harmonic motion (3) an aperiodic motion (4) an oscillatory motion
Last Answer : (1) a periodic motion Explanation: The motion of a body that repeats itself after a regular interval of time is called 'Periodic Motion'. Simple Harmonic Motion is a type of periodic motion where the restoring force is directly proportional to the displacement.
Description : Period of simple harmonic motion of a spiral spring or elastic thread is given by A. T = 2π (extension produced/gravitational field strength) B. T = 2π (extension produced/√( ... (extension produced)/gravitational field strength) D. T = 2π √(extension produced/gravitational field strength)
Last Answer : T = 2π × √(extension produced/gravitational field strength)
Description : Give the practical applications of simple harmonic motion.
Last Answer : a) Simple harmonic motion of a pendulum was used for the measurement of time. b) Tuning the musical instrument is done with the vibrating tuning form which executes simple harmonic motion. c) ... simple harmonic motion. d) The study of molecules is made with the help of vibration spectrum.
Description : Give example of simple harmonic motion.
Last Answer : a) Oscillation of simple pendulum. b) When a tuning fork is hit against a rubber pad, its prongs execute simple harmonic motion. c) When the load is attached to the lower end of a spring suspended from a support is pulled and released, it executes simple harmonic motion.
Description : Define the following with reference to simple harmonic motion. a) Amplitude b) Oscillation c) Time period
Last Answer : a) The maximum displacement of the particle on either side of the equilibrium position is called amplitude. b) One complete to and fro motion of the particle about its mean position is called oscillation
Description : Define simple harmonic motion and give examples.
Last Answer : Motion which repeats after regular intervals of time is called simple harmonic motion. Ex: Oscillation of simple pendulum, vibration of a tuning fork.
Description : When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to A. Zero B. One C. π/2 D. 2π
Last Answer : B. One
Description : Body having simple harmonic motion is represented by A) x = A sin ωt B) x = A cos ωt C) x = - A sin ωt D) x = - A cos ωt
Last Answer : A) x = A sin ωt
Description : The resultant motion of two Simple Harmonic Motions will be A. Simple Harmonic MotionB. Periodic Motion C. Projectile Motion D. Zero
Last Answer : A. Simple Harmonic Motion
Description : SHM stands for A. Single Harmonic Motion B. Simple Harmonic Motion C. Simple Harmonic Mechanism D. None of the above
Last Answer : B. Simple Harmonic Motion
Description : Imagine that a 20 mile diameter hole is bored along the diameter of the Earth extending from the North Pole to the South Pole, that all air and gases are pumped out of this hole, and that the temperature ... between the loci of the hole with the opposite surfaces of the Earth. z) none of the above.
Last Answer : ANSWER: Y -- FOREVER OSCILLATE IN SIMPLE HARMONIC MOTION ALONG THE OLE
Description : The equation, X = A cos(wt + f) (read: X equals A times the cosine of omega t + phi (fee)), can represent an expression for: w) accelerating due to gravity x) uniform straight line motion y) dc current z) a simple harmonic oscillator
Last Answer : ANSWER: Z -- A SIMPLE HARMONIC OSCILLATOR
Description : Which of the following is an example of simple harmonic motion? (1) Earth spinning on its axis (2) Simple pendulum motion (3) Ball bouncing on floor (4) Motion of a ceiling fan
Last Answer : Simple pendulum motion
Description : The motion of a body that repeats itself after a regular interval of time is (1) a periodic motion (2) a simple harmonic motion (3) an aperiodic motion (4) an oscillatory motion
Last Answer : a periodic motion
Description : Define simple harmonic motion. Give its two example.
Last Answer : Simple harmonic motion: The to and fro motion of the object about its mean position is called simple harmonic motion. Examples: motion of swing, motion of sewing machine , motion of clock pendulum , etc.
Description : In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the (A) Range is 15°F (B) Approach is 10°F (C) Both (A) & (B) (D) Neither (A) nor (B)
Description : In case of constant underflow extraction operation, the __________ atall solute concentration. (A) Solids are drained to the same extent (B) Ratio of the insoluble to solution is constant (C) Both (A) & (B) (D) Neither (A) nor (B)
Description : With increase in temperature, the equilibrium __________ rises in case of endothermic reaction. (A) Constant (B) Conversion (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (B) Conversion