Get Que Paper Imt Faridabad (45 Que) 05-mar-2014

45 Questions

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Get Que Paper Imt Faridabad (45 Que) 05-mar-2014

Questions and Answers
  • 1. 
    A steel bar of 5 mm is heated from 15c to 40c and it is free to expand. the bar will induce
    • A. 

      No stress

    • B. 

      Shear stress

    • C. 

      Tensile stress

    • D. 

      Compressive stress

  • 2. 
    The stress induced in a body, when suddenly loaded, is __________ the stress induced when the same load is applied gradually.
    • A. 

      Equal to

    • B. 

      One-half

    • C. 

      Twice

    • D. 

      Four times

  • 3. 
    The deformation per unit length is called.
    • A. 

      Tensile stress

    • B. 

      Compressive stress

    • C. 

      Shear stress

    • D. 

      Strain

  • 4. 
    Two closely coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is half that of spring 'B' The ratio of deflections in spring 'A' to spring 'B' is
    • A. 

      1/8

    • B. 

      1/4

    • C. 

      1/2

    • D. 

      2

  • 5. 
    When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the
    • A. 

      Top layer

    • B. 

      Bottom layer

    • C. 

      Neutral axis

    • D. 

      Every cross-section

  • 6. 
    The friction experienced by a body, when in motion, is known as
    • A. 

      Rolling friction

    • B. 

      Dynamic friction

    • C. 

      Limiting friction

    • D. 

      Static friction

  • 7. 
     If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
    • A. 

      60°

    • B. 

      90°

    • C. 

      120°

    • D. 

      Either A or C

  • 8. 
    The unit of angular acceleration is
    • A. 

      N-m

    • B. 

      M/s

    • C. 

      M/s2

    • D. 

      Rad/s2

  • 9. 
    Work done is said to be zero, when
    • A. 

      Some force acts on a body, but displacement is zero

    • B. 

      No force acts on a body but some displacement takes place

    • C. 

      Both (A) & (B)

    • D. 

      None of the above

  • 10. 
     If the masses of both the bodies, as shown in the below figure, are reduced to 50 percent, then tension in the string will be
    • A. 

      Same

    • B. 

      Half

    • C. 

      Double

    • D. 

      None of the above

  • 11. 
    Geometric primitives include shapes such as ________.
    • A. 

      Boxes

    • B. 

      Cylinders

    • C. 

      Wedges

    • D. 

      All of the above

  • 12. 
    This is the term for the range of tightness or looseness resulting from the allowances and tolerances in mating parts:
    • A. 

      Limits

    • B. 

      Fit

    • C. 

      Specifications

    • D. 

      Allowance

  • 13. 
    This means that a feature of a finished product contains the maximum amount of material permitted by the toleranced dimensions for that feature:
    • A. 

      Maximum material condition

    • B. 

      Machined material condition

    • C. 

      Maximum machined indication

    • D. 

      Machine mark indication

  • 14. 
    A cylinder can be created by drawing a rectangular shape then the ________ tool.
    • A. 

      Revolve

    • B. 

      Sweep

    • C. 

      Extrude

    • D. 

      None of the above

  • 15. 
    CAD programs which incorporate parametric modeling utilize a system in which the dimensions control the ________.
    • A. 

      Size and shape of the model features

    • B. 

      Perspective of the model

    • C. 

      Shading used to render the model

    • D. 

      All of the above

  • 16. 
    In one dimensional flow, the flow
    • A. 

      Is steady and uniform

    • B. 

      Takes place in straight line

    • C. 

      Takes place in curve

    • D. 

      Takes place in one direction

  • 17. 
    According to equation of continuity,
    • A. 

      W1a1 = w2a2

    • B. 

      W1v1 = w2v2

    • C. 

      A1v1 = a2v2

    • D. 

      A1/v1 = a2/v2

  • 18. 
    Euler's equation in the differential form for the motion of liquids is given by
    • A. 

      Dp/p + g.dz + v.dv = 0

    • B. 

      Dp/p - g.dz + v.dv = 0

    • C. 

      ρ.dp + g.dz + v.dv = 0

    • D. 

      ρ.dp - g.dz + v.dv = 0

  • 19. 
    The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number)
    • A. 

      1/RN

    • B. 

      4/RN

    • C. 

      16/RN

    • D. 

      64/RN

  • 20. 
    The pressure less than atmospheric pressure is known as
    • A. 

      Suction pressure

    • B. 

      Vacuum pressure

    • C. 

      Negative gauge pressure

    • D. 

      All of these

  • 21. 
    • A. 

      The heat transfer in liquid and gases takes place according to convection.

    • B. 

      The amount of heat flow through a body is dependent upon the material of the body.

    • C. 

      The thermal conductivity of solid metals increases with rise in temperature.

    • D. 

      Logarithmic mean temperature difference is not equal to the arithmetic mean temperature difference.

  • 22. 
    In a refrigerating machine, heat rejected is __________ heat absorbed.
    • A. 

      Equal to

    • B. 

      Less than

    • C. 

      Greater than

    • D. 

      Two times

  • 23. 
    The amount of radiation mainly depends upon the
    • A. 

      Nature of the body

    • B. 

      Temperature of the body

    • C. 

      Type of surface of the body

    • D. 

      All of these

  • 24. 
    The thickness of thermal and hydrodynamic boundary layer is equal if Prandtl number is
    • A. 

      Equal to one

    • B. 

      Greater than one

    • C. 

      Less than one

    • D. 

      Equal to Nusselt number

  • 25. 
    The subcooling in a refrigeration cycle
    • A. 

      Does not alter C.O.P.

    • B. 

      Increases C.O.P.

    • C. 

      Decreases C.O.P.

    • D. 

      None of these

  • 26. 
    The hardness of steel increases if it contains
    • A. 

      Pearlite

    • B. 

      Ferrite

    • C. 

      Cementite

    • D. 

      Martensite

  • 27. 
    The heat treatment process used for softening hardened steel is
    • A. 

      Carburising

    • B. 

      Normalising

    • C. 

      Annealing

    • D. 

      Tempering

  • 28. 
    Cast iron is a
    • A. 

      Ductile material

    • B. 

      Malleable material

    • C. 

      Brittle material

    • D. 

      Tough material

  • 29. 
    The ability of a material to absorb energy in the plastic range is called
    • A. 

      Resilience

    • B. 

      Creep

    • C. 

      Fatigue strength

    • D. 

      Toughness

  • 30. 
    A small percentage of boron is added to steel in order to
    • A. 

      Increase hardenability

    • B. 

      Reduce machinability

    • C. 

      Increase wear resistance

    • D. 

      Increase endurance strength

  • 31. 
    Any part or sub-assembly within an assembly.
    • A. 

      Point

    • B. 

      Model

    • C. 

      Document

    • D. 

      Component

  • 32. 
    A document in which parts, features, and other assemblies (sub-assemblies) are mated together.
    • A. 

      Shell

    • B. 

      Assembly

    • C. 

      Model

    • D. 

      Base

  • 33. 
    The 3D solid geometry in a part or assembly document.
    • A. 

      Line

    • B. 

      Model

    • C. 

      Base

    • D. 

      Mate

  • 34. 
    This creates a base, boss, cut, or surface feature by moving a profile (section) along a path
    • A. 

      Shell

    • B. 

      Line

    • C. 

      Sweep

    • D. 

      Base

  • 35. 
    The first solid feature of a part.
    • A. 

      Boss

    • B. 

      Base

    • C. 

      Mate

    • D. 

      Line

  • 36. 
    This typically includes page size and orientation, standard text, borders, title blocks, and so on
    • A. 

      Sweep

    • B. 

      Sheet format

    • C. 

      Feature

    • D. 

      Chamfer

  • 37. 
    This feature bevels a selected edge or vertex.
    • A. 

      Chamfer

    • B. 

      Base

    • C. 

      Pattern

    • D. 

      Plane

  • 38. 
    A geometric constraint between sketch entities or between a sketch entity and a plane, axis, edge, or vertex.
    • A. 

      Mate

    • B. 

      Feature

    • C. 

      Relation

    • D. 

      Rebuild

  • 39. 
    A ________ feature is a copy of a selected feature, mirrored about a plane or planar face.
    • A. 

      Mate

    • B. 

      Mirror

    • C. 

      Part

    • D. 

      Vertex

  • 40. 
    A sketch or sketch entity with no exposed endpoints; for example, a circle or polygon.
    • A. 

      Closed counter

    • B. 

      Component

    • C. 

      Open counter

    • D. 

      Document

  • 41. 
    Vertex → A geometric relationship, such as coincident, perpendicular, tangent, and so on, between parts in an assembly.
    • A. 

      True

    • B. 

      False

  • 42. 
    Assembly → A feature tool that hollows out a part, leaving open the selected faces and thin walls on the remaining faces.
    • A. 

      True

    • B. 

      False

  • 43. 
    Relation → A geometric constraint between sketch entities or between a sketch entity and a plane, axis, edge, or vertex.
    • A. 

      True

    • B. 

      False

  • 44. 
    Line → Flat construction geometry.
    • A. 

      True

    • B. 

      False

  • 45. 
    Chamfer → This repeats selected sketch entities, features, or components in an array, which can be linear, circular, or sketch-driven.
    • A. 

      True

    • B. 

      False