1
GATE CE 1998
Subjective
+2
-0
Solve $${{{d^4}y} \over {d{x^4}}} - y = 15\,\cos \,\,2x$$
2
GATE CE 1998
MCQ (Single Correct Answer)
+1
-0.3
The Laplace Transform of a unit step function $${u_a}\left( t \right),$$ defined as
$$\matrix{ {{u_a}\left( t \right) = 0} & {for\,\,\,t < a\,} \cr { = 1} & {for\,\,\,t > a,} \cr } $$ is
A
$${e^{ - as}}/s$$
B
$$s{e^{ - as}}$$
C
$$s - u\left( 0 \right)$$
D
$$s{e^{ - as}} - 1$$
3
GATE CE 1998
MCQ (Single Correct Answer)
+1
-0.3
$${\left( {s + 1} \right)^{ - 2}}$$ is laplace transform of
A
$${t^2}$$
B
$${t^3}$$
C
$${e^-2t}$$
D
$$t{e^{ - t}}$$
4
GATE CE 1998
MCQ (Single Correct Answer)
+1
-0.3
Water distribution systems are sized to meet the
A
Maximum hourly demand
B
Average hourly demand
C
Maximum daily demand and fire demand.
D
Average daily demand and fire demand.
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