Re/NFr is called the _____________ number?
Re/NFr is called the _____________ number?
A. Brinkman
B. Galileo
C. Archimedes
D. Euler
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The ratio of width to depth for the most economical rectangular section in open channel flow is_________________?
The ratio of width to depth for the most economical rectangular section in open channel flow is_________________?A. 0.5
B. 1
C. 1.5
D. 2The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge) ?
The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge) ?A. Q1/Q2
B. Q2/Q1
C. (Q2 – Q1)/Q1
D. (Q2 – Q1)/Q2In fluid flow, the boundary layer separation cannot occur___________________?
In fluid flow, the boundary layer separation cannot occur___________________?A. In case of boundaries experiencing form drag
B. At points of abrupt changes in the flow directions
C. In laminar flow
D. None of theseEquivalent length of a pipe fitting is____________________?
Equivalent length of a pipe fitting is____________________?A. Dependent on Reynolds number
B. Independent of Reynolds number
C. Dependent on the length of the pipe
D. None of theseA double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double___________________?
A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double___________________?A. Head
B. Discharge
C. Efficiency
D. None of theseBoundary layer exists in flow_________________?
Boundary layer exists in flow_________________?A. Of real fluids
B. Over flat surfaces only
C. In pipes only
D. Of ideal fluids only