Which type of monitoring system uses stroboscope to measure speed of the machine?

Related MCQs

• 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?
• Stroboscope is used for the measurement of _________________?
• Consider the following statements: Two rotors mounted on a single shaft can be considered to be equivalent to a geared-shaft system having two rotors provided 1. The kinetic energy of the equivalent system is equal to that of the original system. 2. The strain energy of the equivalent system is equal to that of the original system. 3. The shaft diameters of the two systems are equal. Which of these statements are correct?
• Which type of frequency measuring instrument has multiple reeds of different natural frequency to measure vibrations?
• In a gearing system, pump speed is one third of the motor. Shaft from motor is 6 cm in diameter and 30cm long, the impellar shaft is 10cm diameter and 60cm long. Mass moment of inertia is 1500 Kgm2, C = 80Gn/m2. Neglecting the inertia of shaft and gears calculate the frequency of free torsional vibrations in Hz.
• For a gearing system, the equivalent system is made consisting of two rotors. How many nodes will this new equivalent system will have?
• Which of the following instruments measure amplitude of a vibrating body?
• The instruments which are used to measure the ___________ of a vibrating body are called vibration measuring instrument.
• Which of the following instruments measure the amplitude of a vibrating body?