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JSSC JE (ME) :QUIZ-5 || Governors
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Question 1
The nature of the Governors is shown by the graph between radius (r) of rotation and controlling force (f). Which of the following is an isochronous governor?
Question 2
A governor is said to be isochronous when the equilibrium speed is
Question 3
Which one of the following governors is having a larger displacement of sleeve for a given fractional change of speed?
Question 4
The change in governor height for a Watt governor when speed varies from 100 rpm to 101 rpm will be nearly_____.
Question 5
In a Hartnell governor, the mass of each ball is 4 kg. The maximum and minimum centrifugal forces on the balls are 1800 N and 100 N at radii 25 cm and 20 cm, respectively. The lengths of vertical and horizontal arms of the bell-crank levers are the same. What is the spring stiffness?
Question 6
The graph of turning moment diagram is drawn between _____________.
Question 7
A Hartnell governor has its minimum and maximum equilibrium speeds of 150 and 250 rpm. The percentage sensitivity of the governor is:
Question 8
What will be the vertical height (h)(in meters) of a watt governor, if the speed of rotation is 80 rpm?
Question 9
When the load on engine increases, it becomes necessary to increase the supply of working fuel and when the load decreases, less working fuel is required. The supply of the working fuel to the engine is controlled by a
Question 10
As the RPM increase, the radius of flyball decreases and as the RPM decreases radius of the flyball increases. For the given condition the governor is _________.
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