What is the function of frequency analyzer?
Which of the following methods can be used to control the noise level at source?
Which of the following statements is/are true for elastomers?
Which of the following statements is/are false for pneumatic isolators ?
A vibrating machine of 100 kg is mounted on a rubber pad which has stiffness of 500 N/m. Determine force transmitted to the foundation if the unbalanced force 500 N acts on it. The frequency ratio (ω/ωn) is 1.5 and ξ = 0.5
Transmissibility is the ratio of ______
What is the function of the controller in active vibration isolation systems?
Temperature monitoring technique uses which of the following devices to measure temperature of the machining surfaces?
Which of the following statements is true about stroboscope?
Which type of frequency measuring instrument has multiple reeds of different natural frequency to measure vibrations?
Which type of instruments do not require separate power source for measuring vibratory response of a vibratory system?
Which of the following instruments measure amplitude of a vibrating body?
The motion of a system executing harmonic motion with one natural frequency is known as _______
What is meant by coupled differential equation?
Which one of the following helps in avoiding cavitation in centrifugal pumps?
Which one of the following is the purpose of a surge tank in a Pelton turbine station?
A jet of water issues from a nozzle with a velocity of 20 m/s and it impinges normally on a flat plate moving away from it at 10m/s. If the cross sectional area of the jet is 0.02m2 and the density of water is taken as 1000 kg/m2, then the force developed on the plate will be
. In the case of pelton turbine installed in a hydraulic power plant, the gross head available is the vertical distance between
A hydraulic couplings belongs to the category of
For pumping molasses, it is preferable to employ
. In case of a centrifugal pump, cavitation will occur if
Work sampling is applied for
Cavitation in a centrifugal pump is likely to occur at the
Basic tool in work study is
Manometric efficiency of a centrifugal pump is defined as the ratio of