A. Atmospheric air
B. Compressed air
C. Water
D. None of these
A. Measuring small pressure difference in gases
B. Measuring small pressure difference in liquids
C. Remote recording of pressure difference
D. Measuring the difference of the impact & the static pressure
A. Atmospheric pressure
B. Sub-atmospheric pressure
C. Pressure difference between two points
D. None of these
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. Speed of impeller, diameter of impeller & viscosity
B. Density & viscosity of fluid only
C. Density of fluid, viscosity of fluid & impeller dia only
D. None of these
A. Same in both the tubes
B. Greater in 1 mm dia tube
C. Greater in 0.5 mm dia tube
D. Zero in both the tubes
A. Elbow
B. Union
C. Tee
D. None of these