Engineering Machine - Engineering Machine objective questions and answers


1. For a machine to be self-locking,its efficiency should be.......


   A.100%

   B.less than 67%

   C.less than 50%

   D.more than 50%

   E.none of the above


✔ View Answer


C.less than 50%

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


2. In actual machines.......


   A.mechanical advantage is greater than velocity ratio

   B.mechanical advantage is equal to velocity ratio

   C.mechanical advantage is less than velocity ratio

   D.mechanical advantage is unity

   E.none of the above


✔ View Answer


C.mechanical advantage is less than velocity ratio

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


3. In ideal machines.........


   A.mechanical advantage is greater than velocity ratio

   B.mechanical advantage is equal to velocity ratio

   C.mechanical advantage is less than velocity ratio

   D.mechanical advantage is unity

   E.none of the above


✔ View Answer


B.mechanical advantage is equal to velocity ratio

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


4. The multi stage compression as compared to single stage compression......


   A.Improves volumetric efficiency for the given pressure ratio

   B.Reduces work done per kg of air

   C.Reduces cost of compressor

   D.Gives more uniform torque

   E.All of the above


✔ View Answer


E.All of the above

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


5. A pair of smith's tongs in an example of the lever of.......


   A.zeroth order

   B.first order

   C.second order

   D.third order

   E.fourth order


✔ View Answer


C.second order

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.



1 2 3 4 5 6 7 8 9 10 Next>






Enter Your Suggestion/Comments Here










Can't read the image? Click here to refresh