Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Solved Assignments
Asked Questions
Answered Questions
q the input to the differentiator circuit is a sinusoidal voltage of peak value 5mv and frequency 1khz find out the output if r100k and
define the ultrasonic thickness measurementultrasonic thickness meters measure the thickness of steel by passing an ultrasonic wave through the
thermal noisethis is the most significant noise in an amplier it is produced by random movements of electrons in the resistors this is caused by the
explain noise noise is unwanted signals which degrade the desired signal content and therefore the performance of the system noise might be produced
define reinforcing steel - limitations of ultrasonic systemthe sound velocity measurement taken parallel to the reinforcing bars embedded in the
define concrete surface finish - limitations of ultrasonic systemthe smoothness of the surface under test is important to ensure proper acoustical
explain frequency reuse in the cellular concept service area is separated into regions called cells and the available frequency is divided among
define cleanliness of surface - limitations of ultrasonic systemsound energy transmission is greatly affected by marine growth on the surface of the
q what is miller integrator miller integrator consider a basic rc circuit in which the opening of switch provides a sweep voltageyhe waveform
commutatorthe function of a commutator is to change alternating current induced in the armature into unidirectional current the commutator is of
q draw the differentiator circuit explain its principle of operation with necessary waveforms a circuit in which the output voltage is directly
armature core and armature winding armature is the rotating part of the machine it is cylindrical in shape with slots on its outer periphery it
interpoles or commutating polesinterpoles are xed to the frame in among main poles they are used for sparkless commutationie to improve
field winding every pole core has one or more eld windings provided on it to make a magnetic eld whenever they carry current they electromagnetic the
pole core and pole shoethe pole cores are made of steel laminations that are insulated from each other and riveted together every pole core has a
yoke or magnetic frameit is the outer cover of the machine an even number of pole cores are bolted to the yoke its serves the following purposes1 it
q explain the conditions under which an rc circuit behaves as integratorintegrator is a circuit in which the output voltage is proportional to the
explain the limitations of rebound hammerthe following characteristics of concrete can affect the correlation of the rebound number with the actual
q explain the conditions under which an rc circuit behaves as differentiatordifferentiator is a circuit in which the output voltage is directly
explain rebound hammer - underwater non-destructive testingthe underwater rebound hammer system is a surface hardness tester which can be employed to
define the working of ground penetrating radarground penetrating radars gpr and low frequency sound are also used in scour survey these are good in
what are the advantages and disadvantages of induction motorsa coil of 500 turns is linked by a ux of 04 mwb if the ux is reversed in 001 second nd
difference between si and ci enginessi engine stands for spark ignition engine while ci engine stands for compression ignition enginesi engine works
q what are the features of clamping circuitsthe clamping circuit does not change the peak to peak or rms value of the waveform thus the input
q explain the application of clippersthere are numerous clipper applications in general clippers are used to perform one of the following two