Home / Question Papers / MPSC Workshop Superintendent Government Engineering College Gr-A Question Paper 2013

MPSC Workshop Superintendent Government Engineering College Gr-A Question Paper 2013

Workshop Superintendent Government Engineering College Gr-A

 

  1. In single phase alloys, the commonly used mechanism for strengthening is/are by

(1) Grain size reduction

(2) Solid-solution alloying

(3) Strain hardening

(4) All of the above

 

  1. The force which holds neutrons and protons together in a nucleus is

(1) Electrostatic force

(2) Gravitational force

(3) Magnetic force

(4) Nuclear force

 

  1. The property of a metal by virtue of which it can withstand external force without rupture is

(1) Stiffness

(2) Strength

(3) Toughness

(4) Hardness

 

  1. Most widely used conducting materials are

(1) Gold and Silver

(2) Copper and Aluminium

(3) Tungsten and Platinum

(4) Germanium and Silicon

 

  1. Which of the following statements is not true in connection with silver?

(1) It has highest thermal and electrical conductivity.

(2) It is a highly ductile and malleable metal.

(3) It oxidises slowly in air.

(4) It cannot be alloyed with other metals.

 

  1. The method to increase the yield strength of a crystalline material is.

(1) Annealing

(2) Grain refinement

(3) Normalizing

(4) None of the above

 

  1. Which of the following properties is not desirable for bearing alloy?

(1) Good wearing quality

(2) Low coefficient of friction

(3) Low thermal conductivity

(4) High melting point

 

  1. An increase in load at the free end of a cantilever is likely to cause failure

(1) At the free end

(2) At the mid of its length

(3) At the fixed support end

(4) Anywhere on the beam

 

  1. Coplanar concurrent forces are those forces which

(1) Meet at one point, but their lines of action do not lie on the same plane.

(2) Do not meet at one point and their lines of action also do not lie on the same plane.

(3) Meet at one point and their lines of action also lie on the same plane.

(4) Do not meet at one point, but their lines of action lie on the same plane.

 

  1. If a shaft of diameter ‘d’ and length ‘I’ has been loaded axially, then the ratio of change in diameter to the original is called as

(1) Longitudinal strain

(2) Shear strain

(3) Volumetric strain

(4) Lateral strain

 

  1. The ratio of the lateral strain to the linear strain is called

(1) Modulus of elasticity

(2) Modulus of rigidity

(3) Bulk modulus

(4) Poisson’s ratio

 

  1. A continuous beam is one which is

(1) Fixed at both ends

(2) Fixed at one end and free at the other end

(3) Supported on more than two supports

(4) Extending beyond the supports

 

  1. The governor which is hunting is

(1) More sensitive

(2) Less sensitive

(3) More stable

(4) None of the above

 

  1. The shaft and thrust bearing of a vertical shaft in a turbine is an example of

(1) Complete constraint

(2) Incomplete constraint

(3) Successful constraint

(4) Unreliable constraint

 

  1. The Von Mises theory is used for

(1) Brittle materials

(2) Ductile materials

(3) Plastic materials

(4) Elastic materials

 

  1. For a given lift of the follower of a cam follower mechanism, a smaller base circle diameter is desired

(1) Because it will give a steeper cam and higher pressure angle

(2) Because it will give a profile with lower pressure angle

(3) Because it will avoid jumping

(4) None of the above

 

  1. In the formulation of Lewis equation for toothed gearing, it is assumed that tangential load acts on the

(1) Root of the tooth

(2) Pitch point

(3) Tip of the tooth

(4) None of the above

 

  1. In design of clutches, it is more logical and safer to use

(1) Uniform wear theory

(2) Uniform pressure theory

(3) Contact stress theory

(4) None of the above

 

  1. An Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input, because in Otto cycle

(1) Maximum temperature is higher

(2) Heat rejection is lower

(3) Combustion is at constant volume

(4) Expansion and compression are isentropic

 

  1. The Darcy – Weisbach equation is commonly used for finding

(1) Loss of head due to friction in pipes

(2) Loss of head due to turbulence

(3) Loss of head due to sudden enlargement

(4) Loss of head due to bend in the pipe

 

  1. A pipe is replaced by two parallel pipes, each with half the cross-section of the original pipe. The discharge will

(1) Remain the same

(2) Increase by more than 10%

(3) Decrease by more than 10%

(4) Change by less than 5%

 

  1. In an irreversible process there is

(1) Loss of heat

(2) No loss of work

(3) Gain of heat

(4) No gain of heat

 

  1. The reheating of steam in a steam turbine

(1) Increases the work done through the turbine

(2) Reduces erosion of the turbine blades

(3) Increases the thermal efficiency of turbine

(4) All of the above

 

  1. The radial heat transfer rate through hollow cylinder increases as the ratio of outer radius to inner radius

(1) Decreases

(2) Increases

(3) Remains constant

(4) None of the above

 

  1. When 0.83% carbon eutectoid steel is slowly cooled from 750°C to room temperature,

(1) Austenite transforms to martensite

(2) Austenite transforms to pearlite

(3) Austenite transforms to cementite

(4) Pearlite transforms to ferrite

 

  1. The correct sequence of the processes involved in powder metallurgy is

(1) Blending, Compacting, Sintering and Sizing

(2) Blending, Compacting, Sizing and Sintering

(3) Compacting, Sizing, Blending and Sintering

(4) Compacting, Blend.ing, Sizing and Sintering

 

  1. A cubic casting of 50 mm side undergoes a volumetric solidification shrinkage and volumetric solid contraction of 4% and 6% respectively. No riser is used. Assume uniform cooling in all directions. The side of the cube after solidification and contraction is

(1) 49.96 mm

(2) 49.94 mm

(3) 48-94 mm

(4) 48-32 mm

 

  1. In a single pass rolling process using 410 mm diameter steel rollers, a strip of width 140 mm and thickness 8 mm undergoes 10% reduction of thickness. The angle of bite, in radians, is
  • 006
  • 031
  • 062
  • 600

 

  1. Two 8 mm thick steel plates are placed 5 mm apart and welded by a butt joint. Welding is carried out with voltage of 20 V and speed of 5 mm/s. Heat transfer efficiency is 0.80. If the heat required to melt steel is 10 J/mm3 and melting efficiency is 0.625, the weld current (in Amperes) will be

(1) 100

(2) 200

(3) 300

(4) 400

 

  1. In a DC arc welding operation, the voltage-arc length characteristic was obtained as Vare = 20 + 5 L where the arc length L was varied between 5 mm and 7 mm. Here Vare denotes the arc voltage in volts. The arc current was varied from 400 A to 500 A. Assuming linear power source characteristic, the open circuit voltage and the short circuit current for the welding operation are
  • 45 V, 450 A
  • 75 V, 750 A
  • 95 V, 950 A
  • 150 V, 1500 A

 

  1. The DC power source for arc welding has the characteristic 3V + I = 240 where V = voltage and I = current in Amp. For the maximum arc power at the electrode, voltage should be set at
  • 20 V
  • 40 V
  • 60 V
  • 80 V

 

  1. Which of the following is a non-traditional machining process?

(1) Milling

(2) EBM

(3) Drilling

(4) Turning

 

  1. The pocket or resting position of the work piece in a jig or fixture is referred to as a

(1) Rest

(2) Base

(3) Case

(4) Nest

 

  1. Die blocks made in two or more sections are known as

(1) Split die blocks

(2) Sectional die blocks

(3) Dual die blocks

(4) Progressive die blocks

 

  1. If the die clearance is to be applied to the die opening, it should be added to the

(1) Die

(2) Punch

(3) Template

(4) Stock

 

  1. The three-position inclinable press is frequently referred to as

(1) Closed-back inclinable press

(2) Open-back inclinable press

(3) Solid-gap press

(4) Gap-frame press

 

  1. Which of the following is not the basic forging operation?

(1) Upsetting

(2) Heading

(3) Fullering

(4) Staking

 

  1. A successful TQM program incorporates all except
  2. continuous improvement
  3. employment improvement
  4. benchmarking
  5. centralized decision making authority

(1) Only d

(2) a and b

(3) b and c

(4) c and d

 

  1. Acceptable Quality Level (AQL) is associated with

(1) Producer’s risk

(2) Consumer’s risk

(3) Lot Tolerance Percent Defective

(4) Average Outgoing Quality Limit

 

  1. In the Computer Aided Design, the simplest solid objects are termed as

(1) Entities

(2) Primitives

(3) Models

(4) Boxes

 

  1. Which of the following process planning systems uses the similarity among components to retrieve the existing process plans?

( 1) Generative approach

(2) Decision approach

(3) Variant Process planning system

(4) None of the above

 

  1. The volume of the space created within the virtual surfaces swept by the robot arm at the maximum and the minimum reach is called

(1) Work place

(2) Work space

(3) Work volume

(4) Work area

 

  1. Which of the following types of layout configurations is/are used in FMS?

(1) In-line

(2) Loop

(3) Ladder

(4) All of the above

 

  1. In Computer Aided Manufacturing, the elements of CIM system are

(1) Automated

(2) Optimized

(3) Integrated

(4) All of the above

 

  1. The current trends in manufacturing technology require high quality with acceptable levels of defects with a

(1) Zero-defect philosophy

(2) Zero-error philosophy

(3) Zero-tolerance philosophy

(4) None of the above

 

  1. The value is defined as the ratio of function or performance to

(1) Utility

(2) Price

(3) Cost

(4) All of the above

 

  1. Concurrent Engineering deals with carrying out the following activities at the same time while designing the product :

(1) Design and Sales

(2) Manufacturing and Sales

(3) Design and Re-engineering

(4) Design and Manufacturing

 

  1. Product design deals with

(1) Form and function

(2) Elements and weight

(3) Elements and material

(4) Size and shape

 

 

  1. Job evaluation is the method of determining the

(1) Relative worth of a job

(2) Skills required of a worker

(3) Contribution of a worker

(4) Effectiveness of various alternatives

 

  1. Work sampling observations are taken on the basis of

(1) Detailed calculations

(2) Convenience

(3) Table of random numbers

(4) Fixed percentage of daily production

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