Three of the following four are alike in a certain way and hence form a group. Which is the one that does not belong to …

Which one of the following shovel excavator is not suitable for operation in hard soil and rocks ? 

Silts have the following property 

The shape of the bending moment diagram over the length of a beam, having no external load, is always 

The prismatic compass and surveyor's compass 

Choose the figure which is different from the rest. 

AFTER:BEFORE 

Which of the following is not a means of verbal communication?