Engineering Mechanics - Data Intensity 2 | Multiple Questions and Answers

31.	Over a block of weight W, the theory of friction is described. Which of the following describes the surface on which of the following block is located?

	A.	Coloured red
	B.	Having density in negative
	C.	The motion of that block is always horizontal
	D.	Non-rigid

32.	Which of the following type of screws is used in the machines?

	A.	Round-threaded
	B.	Helical-threaded
	C.	Rectangle-threaded
	D.	Square-threaded

33.	In the free body diagrams, the normal forces acting on the belt are in which of the following direction for calculating the equilibrium equations?

	A.	Horizontally Left
	B.	Horizontally Right
	C.	Vertically Upward
	D.	Vertically Downward

34.	In the journal bearings calculations, the moment is the cross product of which of the following two vectors?

	A.	Force and Radius scalars
	B.	Radius and Force scalars
	C.	Radius and Force vectors
	D.	Force and Radius vectors