1
GATE ME 1988
Subjective
+2
-0
Water flows through a pipe of diameter $$0.30$$ $$m.$$ What would be the velocity $$V$$ for the conditions shown in the figure below?

GATE ME 1988 Fluid Mechanics - Fluid Dynamics Question 25 English
2
GATE ME 1988
MCQ (Single Correct Answer)
+2
-0.6
A circular plate $$1$$ $$m$$ in diameter is submerged vertically in water such that its upper edge is $$8m$$ below the free surface of water. The total hydrostatic pressure force on one side of plate is :
A
$$6.7$$ $$kN$$
B
$$65.4$$ $$kN$$
C
$$45.0$$ $$kN$$
D
$$77.0$$ $$kN$$
3
GATE ME 1988
MCQ (Single Correct Answer)
+2
-0.6
A Newtonian fluid has the following velocity field : $$$\overrightarrow V = {x^2}y\widehat i + 2x{y^2}z\widehat j - y{z^3}\widehat k$$$

The rate of shear deformation $${\varepsilon _{yz}}$$ at the point $$x=-2, y=-1$$ and $$z=2$$ for the given flow is :

A
$$-6$$
B
$$-2$$
C
$$-12$$
D
$$4$$
4
GATE ME 1988
Numerical
+5
-0
Steam is flowing through an insulated steel pipe shown in the fig, is losing heat to the surroundings. The details are as follows

Inner radius of steel pipe $$=50mm,$$
Outer radius of the steel pipe $$=57mm,$$
Outer radius of insulation $$=157 mm,$$
Thermal conductivity of steel $$=43$$ $$W/mK$$
Thermal conductivity of insulating material $$=0.1$$ $$W/mK$$
Heat transfer coefficient on steam side $$ = 570W/{m^2}K$$
Heat transfer coefficient on air side $$ = 12W/{m^2}K,$$
Temperature of steam $$ = {500^ \circ }C$$
Temperature of surroundings $$ = {30^ \circ }C$$

GATE ME 1988 Heat Transfer - Conduction Question 9 English

Calculate the heat loss per meter length of pipe and temp of the outer surface of the insulation.

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