Engineering - Mechanical Engineering

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55.

When trying to turn a key into a lock, following is applied                        
A. coplanar force B. non-coplanar forces
C. lever D. moment



56.

Which of the following do not have identical dimensions ?                        
A. Momentum and impulse B. Torque and energy
C. Torque and work D. Kinetic energy and potential energy



57.

Which of the following is a vector quantity                        
A. energy B. mass
C. momentum D. angle




58.

Which of the following is not a scalar quantity                        
A. time B. mass
C. volume D. density



59.

Which of the following is not a vector quantity                        
A. weight B. velocity
C. acceleration D. force



60.

Which of the following is not the unit of distance ?                        
A. angstrom B. light year
C. micron D. millimetre



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