5314 + Mcqs in Freshers Page 35 McqOptions

1701.	Energy equation in terms of specific internal energy is\(\frac{\partial(\rho \hat{u})}{\partial t}+\nabla.(\rho\vec{V}\hat{u})=-\nabla.\dot{q_s} – p\nabla .\vec{V}-\tau:\nabla \vec{V}+\dot{q_v}\) Where,t → Timeρ → Density\(\hat{u}\) → Specific internal energy\(\vec{V}\) → Velocity vector\(\dot{q_s}\)→ Rate of heat transfer per unit areaτ → Shear stress\(\dot{q}_v\) → Rate of heat source or sink per unit volumeConvert this equations in terms of specific enthalpy \(\hat{h}\).
A.	\(\frac{\partial(\rho \hat{h})}{\partial t}+\nabla .(\rho \vec{V}\hat{h})=-\nabla .\dot{q_s}+\frac{Dp}{Dt} -\tau:\nabla \vec{V}+\dot{q_v}\)
B.	\(\frac{\partial(\rho \hat{h})}{\partial t}+\nabla .(\rho \vec{V}\hat{h})=-\nabla .\dot{q_s}-p\nabla .\vec{V}-\tau:\nabla \vec{V}+\dot{q_v}\)
C.	\(\frac{\partial(\rho \hat{h})}{\partial t}+\nabla .(\rho \vec{V}\hat{h})=-\nabla .\dot{q_s}-p\nabla .\vec{V}+\nabla .(p\vec{V})-\tau:\nabla \vec{V}+\dot{q_v}\)
D.	\(\frac{\partial(\rho \hat{h})}{\partial t}+\nabla .(\rho \vec{V}\hat{h})=-\nabla .\dot{q_s}+\vec{V}.\nabla p-\tau:\nabla \vec{V}+\dot{q_v}\)
Answer» B. \(\frac{\partial(\rho \hat{h})}{\partial t}+\nabla .(\rho \vec{V}\hat{h})=-\nabla .\dot{q_s}-p\nabla .\vec{V}-\tau:\nabla \vec{V}+\dot{q_v}\)

Discussion

1702.	If \(\vec{f}\) is the body force of an infinitesimally small element (volume dx dy dz and density ρ) moving along with the flow (velocity \(\vec{V}\)), Which term is the work done by the body force?
A.	\(\vec{f}.\vec{V}\)dx dy dz
B.	\(\rho\vec{f}.\vec{V}\)
C.	\(\rho\vec{f}.\vec{V}\)dx dy dz
D.	\(\rho\vec{f}\)dx dy dz
Answer» D. \(\rho\vec{f}\)dx dy dz

Discussion

1703.	The energy equation which is in terms of total energy can be changed to terms of internal energy using ___________
A.	momentum equation
B.	stress-strain relations
C.	equations of state
D.	continuity equation
Answer» B. stress-strain relations

Discussion

1704.	The energy equation which is in terms of temperature can be changed to terms of internal energy using ___________
A.	momentum equation
B.	stress-strain relations
C.	equations of state
D.	continuity equation
Answer» D. continuity equation

Discussion

1705.	If p and τ are the net pressure and net shear stress acting on an infinitesimally small element (volume dx dy dz) moving along with the flow (velocity \(\vec{V}\)), what is the net work done on the system?
A.	\(\rho (\nabla .(p\vec{V} )+\nabla .(τ.\vec{V}))\)
B.	\(((p\vec{V})+(\tau.\vec{V}))dx \,dy \,dz\)
C.	\(\rho(\nabla.(p\vec{V})+\nabla.(\tau.\vec{V})) dx \,dy \,dz\)
D.	\((\nabla .(p)+\nabla.(\tau))dx \,dy \,dz\)
Answer» D. \((\nabla .(p)+\nabla.(\tau))dx \,dy \,dz\)

Discussion

1706.	Expressing \(\tau:\Delta \vec{V}\) in terms of flow variables, we get λφ+μψ. What are φ and ψ?
A.	\(\phi=(\frac{\partial u}{\partial x}+\frac{\partial v}{\partial y}+\frac{\partial w}{\partial z})^2 \,and\, \psi=(\frac{\partial u}{\partial y}+\frac{\partial v}{\partial x})^2+(\frac{\partial v}{\partial z}+\frac{\partial w}{\partial y})^2+(\frac{\partial u}{\partial z}+\frac{\partial w}{\partial x})^2\)
B.	\(\psi=(\frac{\partial u}{\partial x}+\frac{\partial v}{\partial y}+\frac{\partial w}{\partial z})^2 \,and\, \phi=(\frac{\partial u}{\partial y}+\frac{\partial v}{\partial x})^2+(\frac{\partial v}{\partial z}+\frac{\partial w}{\partial y})^2+(\frac{\partial u}{\partial z}+\frac{\partial w}{\partial x})^2\)
C.	\(\psi=(\frac{\partial u}{\partial x} + \frac{\partial v}{\partial y} + \frac{\partial w}{\partial z})^2 \,and\, \phi=2(\frac{\partial u}{\partial x})^2 + 2(\frac{\partial v}{\partial y})^2 +2(\frac{\partial w}{\partial z})^2+(\frac{\partial u}{\partial y}+\frac{\partial v}{\partial x})^2 +\) \( (\frac{\partial v}{\partial z} + \frac{\partial w}{\partial y})^2 + (\frac{\partial u}{\partial z} + \frac{\partial w}{\partial x})^2\)
D.	\(\phi=(\frac{\partial u}{\partial x}+\frac{\partial v}{\partial y}+\frac{\partial w}{\partial z})^2 \,and\, \psi=2(\frac{\partial u}{\partial x})^2+2(\frac{\partial v}{\partial y})^2+2(\frac{\partial w}{\partial z})^2+(\frac{\partial u}{\partial y}+\frac{\partial v}{\partial x})^2+\) \((\frac{\partial v}{\partial z}+\frac{\partial w}{\partial y})^2+(\frac{\partial u}{\partial z}+\frac{\partial w}{\partial x})^2\)
Answer» E.

Discussion

1707.	While converting the energy equation from one form to another, which of the following happens?
A.	Either the left-hand side or the right-hand side of the equation changes
B.	Both the left-hand side and the right-hand side of the equation change
C.	The right-hand side of the equation changes
D.	The left-hand side of the equation changes
Answer» C. The right-hand side of the equation changes

Discussion

1708.	The energy equation in terms of total energy is\(\frac{\partial(\rho e)}{\partial t}+\nabla.(\rho \vec{V}e)=-\nabla.\dot{q}_s-\nabla.(p\vec{V})+\nabla.(τ.\vec{V})+\vec{f_b}.\vec{V}+\dot{q}_v.\) Where,t → Timeρ → Densitye → Specific total energy\(\vec{V}\) → Velocity vector\(\dot{q}_s\) → Rate of heat transfer per unit area\(\vec{f_b}\) → Body force vectorτ → Shear stress\(\dot{q}_v\) → Rate of heat source or sink per unit volumeWhile converting this equation in terms of internal energy, which of these terms lose its explicit presence?
A.	Pressure term
B.	Shear stress term
C.	Body force term
D.	Heat transfer term
E.	}{\partial t}+\nabla.(\rho \vec{V}e)=-\nabla.\dot{q}_s-\nabla.(p\vec{V})+\nabla.(τ.\vec{V})+\vec{f_b}.\vec{V}+\dot{q}_v.\) Where,t → Timeρ → Densitye → Specific total energy\(\vec{V}\) → Velocity vector\(\dot{q}_s\) → Rate of heat transfer per unit area\(\vec{f_b}\) → Body force vectorτ → Shear stress\(\dot{q}_v\) → Rate of heat source or sink per unit volumeWhile converting this equation in terms of internal energy, which of these terms lose its explicit presence?a) Pressure termb) Shear stress termc) Body force termd) Heat transfer term
Answer» D. Heat transfer term

Discussion

1709.	The details of a skyline assembly matrix are implemented in a program called ____
A.	Boolean program
B.	Cholesky program
C.	Truss program
D.	Trussky program
Answer» E.

Discussion

1710.	The second step in skyline approach is assembling the element stiffness values into _____
A.	Row vector
B.	Identity vector
C.	Column vector
D.	Determinant vector
Answer» D. Determinant vector

Discussion

1711.	The first step of skyline assembly matrix involves evaluation of ____
A.	Column height
B.	Row height
C.	Matrix height
D.	Undefined
Answer» B. Row height

Discussion

1712.	Formula for maximum span or half band width in banded approach is _____
A.	me=[\|i-j\|+1]
B.	\(\frac{y_2-y_1}{l_e}\)
C.	q‘=lq
D.	me=[2\|i-j\|+1]
Answer» E.

Discussion

1713.	In Skyline matrix, the elements in a stiffness matrix can be placed in _______
A.	Direct values
B.	Determinant values
C.	Load values
D.	Vector form
Answer» E.

Discussion

1714.	In banded matrix, elements are _____ placed in stiffness matrix.
A.	Singular
B.	Determinant values
C.	Directly
D.	Indirectly
Answer» D. Indirectly

Discussion

1715.	Which of these was one of the methods for determining assembly of global stiffness matrix?
A.	Galerkin approach
B.	Skyline approach
C.	Rayleigh method
D.	Assembly method
Answer» C. Rayleigh method

Discussion

1716.	Symmetry and sparsity of the global stiffness matrix can be approached by _____ methods.
A.	One
B.	Three
C.	Two
D.	Four
Answer» D. Four

Discussion

1717.	Skyline matrix storage is in the form of ______
A.	Banded matrix
B.	Sparse matrix
C.	Singular matrix
D.	Identity matrix
Answer» C. Singular matrix

Discussion

1718.	What is a banded matrix?
A.	Sparse matrix
B.	Rectangular matrix
C.	Unit matrix
D.	Square matrix
Answer» B. Rectangular matrix

Discussion

1719.	Reaming and counter boring can be performed by______
A.	centres
B.	face plates and angle plates
C.	special attachments
D.	none of the mentioned
Answer» C. special attachments

Discussion

1720.	Spinning can be done by_____
A.	centres
B.	face plates or angle plates
C.	special attachments
D.	none of the mentioned
Answer» B. face plates or angle plates

Discussion

1721.	Milling can be performed by _____
A.	centres
B.	face plates or angel plates
C.	chucks
D.	special attachments
Answer» E.

Discussion

1722.	For lathe operations, work piece can be hold _____
A.	between centres
B.	on mandrel
C.	either between centres or on mandrel
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

1723.	The total number of bones in lower extremity is ___________
A.	62
B.	63
C.	61
D.	60
Answer» B. 63

Discussion

1724.	Joint of femur with pelvic girdle is _______
A.	Ball and socket
B.	Pivot
C.	Saddle
D.	Hinge
Answer» B. Pivot

Discussion

1725.	Thumb (great toe) of foot is called _______
A.	Pollex
B.	Hallux
C.	Index
D.	Coracoid
E.	of foot is called _______a) Pollexb) Halluxc) Indexd) Coracoid
Answer» C. Index

Discussion

1726.	How many bones does ankle has?
A.	8
B.	9
C.	6
D.	7
Answer» E.

Discussion

1727.	Contact cuts should be ____ apart.
A.	2λ
B.	3λ
C.	4λ
D.	λ
Answer» B. 3λ

Discussion

1728.	Minimum diffusion space is __________
A.	2λ
B.	3λ
C.	4λ
D.	λ
Answer» C. 4λ

Discussion

1729.	What are the advantages of design rules?
A.	durable
B.	scalable
C.	portable
D.	all of the mentioned
Answer» E.

Discussion

1730.	Which can bring about variations in threshold voltage?
A.	oxide thickness
B.	ion implantation
C.	poly variations
D.	all of the mentioned
Answer» E.

Discussion

1731.	The minimum spacing between two n-well is _____ micro meter.
A.	4
B.	5
C.	8
D.	8.5
Answer» E.

Discussion

1732.	Minimum n-well width should be ____________ micro meter.
A.	2
B.	3
C.	4
D.	6
Answer» C. 4

Discussion

1733.	Hatching is compatible with __________
A.	monochrome encoding
B.	bicode encoding
C.	tricode encoding
D.	not compatible with any encoding
Answer» B. bicode encoding

Discussion

1734.	Minimum feature size for thick oxide is?
A.	2λ
B.	3λ
C.	4λ
D.	λ
Answer» C. 4λ

Discussion

1735.	The oxide layer below the first metal layer is deposited using __________
A.	diffusion method
B.	chemical vapour deposition
C.	solid deposition
D.	scattering method
Answer» C. solid deposition

Discussion

1736.	Which is a more complex process?
A.	buried contact
B.	butting contact
C.	buried & butting contact
D.	none of the mentioned
Answer» B. butting contact

Discussion

1737.	Diffusion and polysilicon layers are connected together using __________
A.	butting contact
B.	buried contact
C.	separate contact
D.	cannot be connected
Answer» B. buried contact

Discussion

1738.	By which technique can the existing pavement be reused in the sub-base as well as the base course?
A.	Reclamation
B.	Asphalt recycling
C.	Cold recycling
D.	Hot recycling
Answer» D. Hot recycling

Discussion

1739.	Resilient modulus is the relevant strength parameter for granular sub-base.
A.	True
B.	False
Answer» B. False

Discussion

1740.	Base course can prevent subgrade soil movement caused due to ______ in rigid pavement.
A.	Shoving
B.	Depression
C.	Weathering
D.	Slab pumping
Answer» E.

Discussion

1741.	Sub-base layer with less proportion of ______ will help in serving as a better drainage layer.
A.	Coarse aggregates
B.	Fine aggregates
C.	Cement
D.	Crushed slag
Answer» C. Cement

Discussion

1742.	In which country was the first macadam road built?
A.	USA
B.	Scotland
C.	Netherlands
D.	Russia
Answer» B. Scotland

Discussion

1743.	Which of the below IRC codes gives the guidelines for wet mix macadam?
A.	IRC 102
B.	IRC SP 102
C.	IRC SP 100
D.	IRC 109
Answer» E.

Discussion

1744.	What is the name of the layer laid in between concrete slab and sub-base course in a rigid pavement?
A.	Differential layer
B.	Differential membrane
C.	Separation layer
D.	Separation membrane
Answer» E.

Discussion

1745.	Which of the below is not used as an unbound sub-base material?
A.	Kankar
B.	Gravel
C.	Lime-fly ash
D.	Crushed slag
Answer» D. Crushed slag

Discussion

1746.	The method of boulder soling is still used and it is laid over the subgrade.
A.	True
B.	False
Answer» C.

Discussion

1747.	What does WBM stand for?
A.	Water Based Macadam
B.	Water Bound Macadam
C.	Wet Bituminous Macadam
D.	Wet Bound Macadam
Answer» C. Wet Bituminous Macadam

Discussion

1748.	If in an image there exist similar change in gray-level values in the image, which of the following shows a stronger response using second order derivative operator for sharpening?
A.	A line
B.	A step
C.	A point
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

1749.	What kind of relation can be obtained between the response of first order derivative and second order derivative of an image having a transition into gray-level step from zero?
A.	First order derivative has a stronger response than a second order
B.	Second order derivative has a stronger response than a first order
C.	Both first and second order derivative has the same response
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

1750.	What kind of relation can be obtained between first order derivative and second order derivative of an image on the response obtained by encountering an isolated noise point in the image?
A.	First order derivative has a stronger response than a second order
B.	Second order derivative has a stronger response than a first order
C.	Both enhances the same and so the response is same for both first and second order derivative
D.	None of the mentioned
Answer» C. Both enhances the same and so the response is same for both first and second order derivative

Discussion

Explore topic-wise MCQs in Chemical Engineering.

If \(\vec{f}\) is the body force of an infinitesimally small element (volume dx dy dz and density ρ) moving along with the flow (velocity \(\vec{V}\)), Which term is the work done by the body force?

The energy equation which is in terms of total energy can be changed to terms of internal energy using ___________

The energy equation which is in terms of temperature can be changed to terms of internal energy using ___________

If p and τ are the net pressure and net shear stress acting on an infinitesimally small element (volume dx dy dz) moving along with the flow (velocity \(\vec{V}\)), what is the net work done on the system?

Expressing \(\tau:\Delta \vec{V}\) in terms of flow variables, we get λφ+μψ. What are φ and ψ?

While converting the energy equation from one form to another, which of the following happens?

The details of a skyline assembly matrix are implemented in a program called ____

The second step in skyline approach is assembling the element stiffness values into _____

The first step of skyline assembly matrix involves evaluation of ____

Formula for maximum span or half band width in banded approach is _____

In Skyline matrix, the elements in a stiffness matrix can be placed in _______

In banded matrix, elements are _____ placed in stiffness matrix.

Which of these was one of the methods for determining assembly of global stiffness matrix?

Symmetry and sparsity of the global stiffness matrix can be approached by _____ methods.

Skyline matrix storage is in the form of ______

What is a banded matrix?

Reaming and counter boring can be performed by______

Spinning can be done by_____

Milling can be performed by _____

For lathe operations, work piece can be hold _____

The total number of bones in lower extremity is ___________

Joint of femur with pelvic girdle is _______

Thumb (great toe) of foot is called _______

How many bones does ankle has?

Contact cuts should be ____ apart.

Minimum diffusion space is __________

What are the advantages of design rules?

Which can bring about variations in threshold voltage?

The minimum spacing between two n-well is _____ micro meter.

Minimum n-well width should be ____________ micro meter.

Hatching is compatible with __________

Minimum feature size for thick oxide is?

The oxide layer below the first metal layer is deposited using __________

Which is a more complex process?

Diffusion and polysilicon layers are connected together using __________

By which technique can the existing pavement be reused in the sub-base as well as the base course?

Resilient modulus is the relevant strength parameter for granular sub-base.

Base course can prevent subgrade soil movement caused due to ______ in rigid pavement.

Sub-base layer with less proportion of ______ will help in serving as a better drainage layer.

In which country was the first macadam road built?

Which of the below IRC codes gives the guidelines for wet mix macadam?

What is the name of the layer laid in between concrete slab and sub-base course in a rigid pavement?

Which of the below is not used as an unbound sub-base material?

The method of boulder soling is still used and it is laid over the subgrade.

What does WBM stand for?

If in an image there exist similar change in gray-level values in the image, which of the following shows a stronger response using second order derivative operator for sharpening?

What kind of relation can be obtained between the response of first order derivative and second order derivative of an image having a transition into gray-level step from zero?

What kind of relation can be obtained between first order derivative and second order derivative of an image on the response obtained by encountering an isolated noise point in the image?