1
GATE ME 2015 Set 2
MCQ (Single Correct Answer)
+2
-0.6
For the truss shown in the figure, the magnitude of the force (in kN) in the member SR is GATE ME 2015 Set 2 Engineering Mechanics - Engineering Mechanics Static and Dynamics Question 13 English
A
10
B
14.14
C
20
D
28.28
2
GATE ME 2015 Set 2
MCQ (Single Correct Answer)
+1
-0.3
If the fluid velocity for a potential flow is given by $$V\left( {x,y} \right) = u\left( {x,y} \right)i + v\left( {x,y} \right)j$$ with usual notations, then the slope of potential line at $$(x, y)$$ is
A
$${v \over u}$$
B
$$ - {u \over v}$$
C
$${{{v^2}} \over {{u^2}}}$$
D
$${u \over v}$$
3
GATE ME 2015 Set 2
Numerical
+2
-0
For a fully developed laminar flow of water (dynamic viscosity $$0.001$$ $$Pa$$-s) through a pipe of radius $$5$$ $$cm,$$ the axial pressure gradient is $$-10$$ $$Pa/m$$. The magnitude of axial velocity (in $$m/s$$) at a radial location of $$0.2$$ $$cm$$ is ____________
Your input ____
4
GATE ME 2015 Set 2
MCQ (Single Correct Answer)
+2
-0.6
The head loss for a laminar incompressible flow through a horizontal circular pipe is $${h_1}$$. Pipe length and fluid remaining the same, if the average flow velocity doubles and the pipe diameter reduces to half its previous value, the head loss is $${h_2}.$$ The ratio $${h_2}/{h_1}$$ is
A
$$1$$
B
$$4$$
C
$$8$$
D
$$16$$
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