1
GATE CE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Type $${\rm I}{\rm I}$$ error in hypothesis testing is
A
acceptance of the null hypothesis when it is false and should be rejected
B
rejection of the null hypothesis when it is true and should be accepted
C
rejection of the null hypothesis when it is false and should be rejected
D
acceptance of the null hypothesis when it is true and should be accepted
2
GATE CE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
The type of partial differential equation $${{{\partial ^2}p} \over {\partial {x^2}}} + {{{\partial ^2}p} \over {\partial {y^2}}} + 3{{{\partial ^2}p} \over {\partial x\partial y}} + 2{{\partial p} \over {\partial x}} - {{\partial p} \over {\partial y}} = 0$$ is
A
elliptic
B
parabolic
C
hyperbolic
D
none of these
3
GATE CE 2016 Set 1
MCQ (Single Correct Answer)
+2
-0.6
The solution of the partial differential equation $${{\partial u} \over {\partial t}} = \alpha {{{\partial ^2}u} \over {\partial {x^2}}}$$ is of the form
A
$$C\cos \left( {kt} \right)\left[ {{C_1}{e^{\left( {\sqrt {k/\alpha } } \right)x}} + {C_2}{e^{ - \left( {\sqrt {k/\alpha } } \right)x}}} \right]$$
B
$$C\,{e^{kt}}\left[ {{C_1}{e^{\left( {\sqrt {k/\alpha } } \right)x}} + {C_2}{e^{ - \left( {\sqrt {k/\alpha } } \right)x}}} \right]$$
C
$$C{e^{kt}}\left[ {{C_1}\,\cos \left( {\sqrt {k/\alpha } } \right)x + {C_2}\,\sin \left( { - \sqrt {k/\alpha } } \right)x} \right]$$
D
$$C\sin \left( {kt} \right)\left[ {{C_1}\,\cos \left( {\sqrt {k/\alpha } } \right)x + {C_2}\,\sin \left( { - \sqrt {k/\alpha } } \right)x} \right]$$
4
GATE CE 2016 Set 1
Numerical
+2
-0
Newton-Raphson method is to be used to find root of equation $$\,3x - {e^x} + \sin \,x = 0.\,\,$$ If the initial trial value for the root is taken as $$0.333,$$ the next approximation for the root would be _________ (note: answer up to three decimal)
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