6501. Centrifugal compressors compared to reciprocating compressors
Require less space
Have quieter operation
Have lower operating costs
All of the above
✅ 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.
6502. A pitched-blade turbine draws __________ a straight blade turbine.
Less power than
More power than
Same power as
Data insufficient to predict
✅ The correct answer is option A.
6503. Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the
Back flow of fluid in the event of stoppage of pump
Discharge pressure
Flow of liquid during operation of the pump
All of the above
✅ The correct answer is option A.
6504. Laminar flow of a Newtonion fluid ceases to exist, when the Reynolds number exceeds
4000
2100
1500
3000
✅ The correct answer is option B.
6505. Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.
∂/∂s = 0
∂/∂t = 0
∂/∂s = constant
∂/∂t = constant
✅ The correct answer is option B.
6506. Nominal size of a pipe is an indication of its __________ diameter.
Inner
Outer
Approximate
None of these
✅ The correct answer is option C.
6507. In which of the following body shapes, the pressure drag is large compared to the friction drag?
Stream line body
Two dimensional body
Bluff body
None of these
✅ The correct answer is option C.
6508. For an unstable equilibrium of a floating body (where, M = metacentre.)
M is above G
M is below G
M & G coincide
None of these
✅ The correct answer is option B.
6509. A free jet of water of cross-sectional area 0.01m² and a velocity of 20 m/s strikes a plate and then flows in a plane parallel to the plate as shown in the figure below. The horizontal component of the force on the support is
200 N
400 N
2000 N
4000 N
✅ The correct answer is option D.