6191. Pitot tube measures the __________ of a fluid.
Pressure
Average velocity
Average flow rate
Point velocity
✅ The correct answer is option D.
Chemical Engineering
Prepare with the best Chemical Engineering MCQs with answers and detailed explanations for exams and job tests. Our collection covers key topics such as chemical process calculations, thermodynamics, fluid mechanics, heat transfer, mass transfer, reaction engineering, instrumentation, and plant design. These Chemical Engineering multiple-choice questions are ideal for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and job interviews. Practice online with updated Chemical Engineering MCQs to strengthen your concepts and improve technical problem-solving skills.
6192. The hydraulic diameter of an annulus of inner and outer radii Ri and Ro respectively is
4(Ro-Ri)
√(Ro-Ri)
2(Ro-Ri)
Ro + Ri
✅ The correct answer is option C.
6193. Sewage sludge is __________ type of non-Newtonion fluid.
Dilatant
Bingham plastic
Pseudo plastic
None of these
✅ The correct answer is option B.
6194. The co-efficient of discharge of an orificemeter is a function of
Reynolds number at the orifice
Ratio of orifice dia to pipe dia
Both A and B
None of the above parameters, and has a constant value of 0.61
✅ The correct answer is option C.
6195. In an incompressible fluid, the density is
Greatly affected by moderate changes in pressure
Greatly affected only by moderate changes in temperature
Not affected with moderate change in temperature & pressure
Sensible to changes in both temperature & pressure
✅ The correct answer is option C.
6196. For the manometer set up shown in the figure, the pressure difference PA – PB is given by
(ρH – ρair)gH
(ρH – ρL)gH
(ρH – ρL) gH + (ρL – ρair) . g(L – H)
(ρH – ρL) gL + (ρL – ρair)gH
✅ The correct answer is option A.
6197. Check valves are used
At high pressure
In bends
For controlling water flow
For unidirectional flow
✅ The correct answer is option D.
6198. Propeller type centrifugal pumps are most suitable for
High capacity at high heads
High capacity at low heads
Low capacity at high heads
Low capacity at low heads
✅ The correct answer is option B.
6199. For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively).
G is above B
B is above G
B & G coincide
None of these
✅ The correct answer is option B.
6200. Pump used for the transportation of molten sodium in a fast breader reactor is a/an __________ pump.
Reciprocating
Plunger
Electromagnetic
Gear
✅ The correct answer is option C.