What cause discharge of fluid in an external gear pump?1. the electric motor drives one gear which turns the other gear2. the electric motor drives both the gears simultaneously3. fluid passes between the gears to discharge side4. fluid passes through interior of the casing between teeth and casing and not between the gears
A. 1 and 3
B. 2 and 3
C. 1 and 4
D. 2 and 4
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The rotation of gears in internal gear pump takes place in ( )
A. same direction
B. different direction
C. none of the above
What causes internal leakage in internal gear pump?
A. less tolerance level between the meshing surfaces
B. more tolerance level between the meshing surfaces
C. no tolerance between the meshing surfaces
D. none of the above
What is the relation between pressure and overall efficiency for a gear pump?
A. as pressure increases, overall efficiency decreases
B. as pressure increases, overall efficiency increases
C. overall efficiency is not affected by change in pressure
D. none of the above
How is the smooth and continuous discharge of fluid achieved in a gear pump?
A. increasing number of teeth
B. decreasing number of teeth
C. none of the above
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