1
GATE ME 1999
MCQ (Single Correct Answer)
+1
-0.3
If $$'P'$$ is the gauge pressure within a spherical droplet, then gauge pressure within a bubble of the same fluid and of same size will be:
A
$${P \over 4}$$
B
$${P \over 2}$$
C
$$P$$
D
$$2P$$
2
GATE ME 1999
MCQ (Single Correct Answer)
+1
-0.3
Kinematic viscosity of air at $${20^0}C$$ is given to be $$1.6 \times {10^{ - 5}}\,\,\,{m^2}s.$$ Its kinematic viscosity at $${70^0}C$$ will be varying approximately :
A
$$2.2 \times {10^{ - 5}}\,\,{m^2}/s$$
B
$$1.6 \times {10^{ - 5}}\,\,{m^2}s$$
C
$$1.2 \times {10^{ - 5}}\,\,{m^2}s$$
D
$$3.2 \times {10^{ - 5}}\,\,{m^2}s$$
3
GATE ME 1997
MCQ (Single Correct Answer)
+1
-0.3
The dimension of surface tension is :
A
$$N/{m^2}$$
B
$$J/m$$
C
$$J/{m^2}$$
D
$$W/m$$
4
GATE ME 1996
MCQ (Single Correct Answer)
+1
-0.3
A fluid is one which can be defined as a substance that:
A
has that same shear stress at all points
B
can deform indefinitely under the action of the smallest shear force
C
has the small shear stress in all directions
D
is practically incompressible
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