Fluid Mechanics for Chemical

A. Pipe becomes smoother with use
B. Friction factor increases linearly with time
C. Absolute roughness decreases with time
D. Absolute roughness increases linearly with time

A. < 2100
B. < 0.1
C. > 2.5
D. < 500

A. Small differential
B. Atmospheric
C. Absolute
D. Gage

A. Venturimeter
B. Pitot tube
C. Rotameter
D. None of these

A. As square of
B. Directly as
C. As cube of
D. None of these

A. Discharge and overall efficiency
B. Volume swept by piston for one complete revolution and the pressure in the cylinder
C. Angle swept by the crank pin at any instant and the discharge
D. None of these

A. 33:3
B. 50
C. 66.6
D. 88.8

A. 25.61 kPa
B. 11.77 kPa
C. 14.86 kPa
D. 21.13 kPa

A. Q∝N : H∝N2 : P∝N3
B. Q∝N2 : H∝N3 : P∝N
C. Q∝N : H∝N3 : P∝N2
D. Q∝N3 : H∝N : P∝N2

A. Inverse
B. Square root
C. Second power
D. First power