Mechatronics Test Questions

Q.  The controller characteristics for on-off controller follow _________.

a. only one curve
b. two curves
c. four curves
d. unpredictable


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MCQs:  In all cases of input frequency, if the gain starts reducing, the phase angle will _______.
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MCQs:  If the frequency of the input signal to a system is increased, the amplitude of the output _______.
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MCQs:  __________ is the time required for the response to reach 50% of the final value in the first attempt.
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MCQs:  Which of the following is/are the drawback/s of proportional control? 1. Proportional control system is complicated and costly. 2. Proportional control system is not suitable for pressure temperature and flow control problems 3. If there are sudden disturbance, the proportional control system takes time to stabilize.
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MCQs:  Shifting of set point and adjusting its new value by the controller, when the value of disturbance increases, is called as_______.
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MCQs:  The range of control of controller __________ due to presence of offset.
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MCQs:  If the value of error increases, the changing speed of controller output __________.
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MCQs:  The product of force (F) and time (t) is called as________.
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MCQs:  What is the formula for forces exerted by fluid on a body?
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MCQs:  The radial force in rotodynamic machine, which is developed by rate of change of momentum in radial velocity, is taken care by__________.
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MCQs:  Meridonial velocity is the resultant of _____________ components of fluid velocity.
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MCQs:  _______________ components of fluid velocity have the responsibility of the transportation of fluid through the machine.
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MCQs:  In which turbine the pressure energy of water is first converted into kinetic energy by means of nozzle kept close to the runner?
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MCQs:  The pressure of water is atmospheric and remains constant while passing over the runner in __________ .
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MCQs:  The energy of water entering the reaction turbine is _______
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MCQs:  Which of the following is an example of impulse turbine?
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MCQs:  The runner of __________ turbine always be under pressure of above atmospheric
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MCQs:  The water from runner in reaction turbine is discharged into tail race through a draft tube which has ____________ cross sectional area.
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MCQs:  __________ turbines are also called as parallel flow turbine.
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MCQs:  In which type of reaction turbine does the water flow in radial direction at the outer periphery of runner and leave at the centre in the direction parallel to the axis of rotation of runner?
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