Mechanical Assignment

What is the unit of pressure?

• bar

• joule

• kilowatt

• Newton

• Tensile stress

• compressive stress

• zero stress/no stress

• thermal stress

The inclined members carrying compressive loads are called

Match the following

• no unit

• Power

• newton

• strain

• watt

• velocity

• N/m²

• Pressure

• m/s

• force

Match the following

• TWO INPUT MOTION REQUIRED FOR MECHANISIM

• DOF=1

• STRUCTURE

• DOF=2

• SIMPLE MECHANISIM

• DOF=0

• REDUDANT STRUCTURE

• DOF=-1

Unit of stress is Newton​ (a)   ​

• NO
• YES

Key for shaft fails due to shear stress only​ (a)  

• No
• yes

The failure of a material under varying load after number of cycle is known as fatigue failure​ (a)  

• yes
• no

Do you feel that Pnuematic system is used for lifting loads

• yes

• no

• yes for small loads

• it can not be used for heavy loads