Question

Mcq based upon derivation of cartesian,cylindrical and spherical heat conduction

Answer 1

mcqs:Conduction qs: Conduction-3
Poisson’ equation in heat transfer deals with
(a) Steady state of heat transfer
(b) Unsteady state of heat transfer
(c) Steady as well as unsteady states of heat transfer
(d) None
(Ans: a)
Laplace equation in heat transfer deals with
(a) Steady state of heat transfer
(b) Unsteady state of heat transfer
(c) Steady as well as unsteady states of heat transfer
(d) None
(Ans: a)
Poisson’ equation in heat transfer deals with
(a) Internal heat generation
(b) External heat generation
(c) Internal as well as external heat generation
(d) None
(Ans: a)
Laplace equation in heat transfer deals with
(a) Internal heat generation
(b) External heat generation
(c) Internal as well as external heat generation
(d) None
(Ans: d)
Rectangular coordinates used in heat transfer are
(a) r, θ, φ
(b) r, θ, z
(c) x, y, z
(d) None
(Ans:c)
Cylindrical coordinates used in heat transfer are
(a) r, θ, φ
(b) r, θ, z
(c) x, y, z
(d) None
(Ans:b)
Spherical coordinates used in heat transfer are
(a) r, θ, φ
(b) r, θ, z
(c) x, y, z
(d) None
(Ans:a)
Size of the element in rectangular coordinates in the derivation of 3-D conduction equation is
(a) r dθ, dr, dz
(b) dx, dy, dz
(c) r dθ, dr, r sinθ dφ
(d) None
(Ans:b)
Size of the element in spherical coordinates in the derivation of 3-D conduction equation is
(e) r dθ, dr, dz
(f) dx, dy, dz
(g) r dθ, dr, r sinθ dφ
(h) None
(Ans:c)
Size of the element in cylindrical coordinates in the derivation of 3-D conduction equation is
(i) r dθ, dr, dz
(j) dx, dy, dz
(k) r dθ, dr, r sinθ dφ
(l) None
(Ans:a)
Poisson’ equation in heat transfer deals with
(a) Steady state of heat transfer
(b) Unsteady state of heat transfer
(c) Steady as well as unsteady states of heat transfer
(d) None
(Ans: a)

Laplace equation in heat transfer deals with
(a) Steady state of heat transfer
(b) Unsteady state of heat transfer
(c) Steady as well as unsteady states of heat transfer
(d) None
(Ans: a)
Poisson’ equation in heat transfer deals with
(a) Internal heat generation
(b) External heat generation
(c) Internal as well as external heat generation
(d) None
(Ans: a)
Laplace equation in heat transfer deals with
(a) Internal heat generation
(b) External heat generation
(c) Internal as well as external heat generation
(d) None
(Ans: d)
Rectangular coordinates used in heat transfer are
(a) r, θ, φ
(b) r, θ, z
(c) x, y, z
(d) None
(Ans:c)
Cylindrical coordinates used in heat transfer are
(a) r, θ, φ
(b) r, θ, z
(c) x, y, z
(d) None
(Ans:b)
Spherical coordinates used in heat transfer are
(a) r, θ, φ
(b) r, θ, z
(c) x, y, z
(d) None
(Ans:a)
Size of the element in rectangular coordinates in the derivation of 3-D conduction equation is
(a) r dθ, dr, dz
(b) dx, dy, dz
(c) r dθ, dr, r sinθ dφ
(d) None
(Ans:b)
Size of the element in spherical coordinates in the derivation of 3-D conduction equation is
(e) r dθ, dr, dz
(f) dx, dy, dz
(g) r dθ, dr, r sinθ dφ
(h) None
(Ans:c)
Size of the element in cylindrical coordinates in the derivation of 3-D conduction equation is
(i) r dθ, dr, dz
(j) dx, dy, dz
(k) r dθ, dr, r sinθ dφ
(l) None
(Ans:a)