- (A) water surface
- (B) center of pressure
- (C) center of gravity
- (D) center of buoyancy
- (E) none of the above
Mechanical Engineering Mcqs
- (A) at e.g. of body
- (B) at center of pressure
- (C) vertically upwards
- (D) at metacentre
- (E) vertically downwards
- (A) the flow is steady
- (B) the flow is streamline
- (C) size and shape of the cross section in a particular length remain constant
- (D) size and cross section change uniformly along length
- (E) flow occurs at constant fate
- (A) the direction and magnitude of the velocity at all points are identical
- (B) the velocity of successive fluid particles, at any point, is the same at successive periods of time
- (C) the magnitude aricf direction of the velocity do not change from point to point in the fluid
- (D) the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane
- (E) velocity, depth, pressure, etc. change from point to point in the fluid flow
- (A) Pascal law
- (B) Newton’s law of viscosity
- (C) boundary layer theory
- (D) continuity equation
- (E) Bernoulli’s theorem
- (A) orifice plate
- (B) venturi
- (C) rotameter
- (D) pitot tube
- (E) nozzle
- (A) vertical line
- (B) horizontal line
- (C) inclined line with flow downward
- (D) inclined line with upward flow
- (E) in any direction and in any location
- (A) only when the fluid is frictionless
- (B) only when the fluid is incompressible and has zero viscosity
- (C) when there is no motion of one fluid layer relative to an adjacent layer
- (D) irrespective of the motion of one fluid layer relative to an adjacent layer
- (E) in case of an ideal fluid
- (A) same
- (B) higher
- (C) lower
- (D) lower/higher depending on weight of body
- (E) unpredictable
- (A) pressure in pipes, channels etc.
- (B) atmospheric pressure
- (C) very low pressure
- (D) difference of pressure between two points
- (E) velocity in pipes
