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Flywheels are fitted for single cylinder and multicylinder engine of the same power...

Q.  
Flywheels are fitted for single cylinder and multicylinder engine of the same power rating. Which of the following statement is true?


Answer & Explanation

There will be less variation of turning moment in the multi-cylinder engine as compared to that for single cylinder engine.

Thus correct option is: B.

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More Questions Theory of Machines:

Q.  
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half mean radius of the former, then energy stored in the latter at the same speed will be

A. Four times the first one

B. Same as the first one

C. One-fourth of the first one

D. One and half times the first one


Answer & Explanation

Q.  
In a 4-stroke IC engine, the turning moment during the compression stroke is

A. Positive throughout

B. Negative throughout

C. Positive during major portion of the stroke

D. Negative during major portion of the stroke


Answer & Explanation

Q.  
In case of a flywheel, the maximum fluctuation of energy is the

A. Sum of maximum and minimum energies

B. Difference between the maximum and minimum energies

C. Ratio of the maximum and minimum energies

D. Ratio of the minimum and maximum energies


Answer & Explanation

Q.  
If the size of a flywheel in a punching machine is increased

A. Then the fluctuation of speed and fluctuation of energy will both decrease

B. Then the fluctuation of speed will decrease and the fluctuation of energy will increase

C. Then the fluctuation of speed will increase and the fluctuation of energy will decrease

D. Then the fluctuation of speed and fluctuation of energy both will increase


Answer & Explanation
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