Pressure of the order of 10''' torr can be measured by ionisastion gauge Bourdon tube Micro-manometer Pirani Gauge TRUE ANSWER : ? YOUR ANSWER : ?
SURFACE TENSION HAS THE UNITS OF NETON/M NEWTONS NEW TONS/M NEWTONS/M TRUE ANSWER : ? YOUR ANSWER : ?
The horizontal component of force on a curved surface is equal to the product of pressure intensity at its centroid and area weight of liquid vertically above the curved surface force on the horizontal projection of the curved surface force on a vertical projection of the curved surface TRUE ANSWER : ? YOUR ANSWER : ?
At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be maximum minimum could be any value negative value TRUE ANSWER : ? YOUR ANSWER : ?
A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1 : 5 1 :25 1 : 2.5 1:50 TRUE ANSWER : ? YOUR ANSWER : ?
For a floating body to be in stable equilibrium, its metacentre should be above the center of buoyancy above the center of gravity. below the center of buoyancy between e.g. and center of pressure TRUE ANSWER : ? YOUR ANSWER : ?
Mercury is often used in barometer because both (B) and (C) its vapour pressure is so low that it may be neglected the height of barometer will be less it is the best liquid TRUE ANSWER : ? YOUR ANSWER : ?
In a Sutro weir, the discharge is proportional to (where H is head) H H1/2 H3/2 H5/2 TRUE ANSWER : ? YOUR ANSWER : ?
The resultant of all normal pressures acts vertically upwards at metacentre at e.g. of body at center of pressure TRUE ANSWER : ? YOUR ANSWER : ?
Coefficient of velocity for Borda’s mouth piece running full is 0.855 0.611 0.707 1.00 TRUE ANSWER : ? YOUR ANSWER : ?