Welding of glass is done by Laser beam welding
Description : Linde welding uses 1.Neutral flame and rightward technique 2.Carburizing flame and rightward technique 3.Neutral flame and leftward technique 4.Oxidizing flame and leftward technique
Last Answer : Linde welding uses Carburizing flame and rightward technique
Description : Glass pipes can be joined by (A) Flanges (B) Welding (C) Soldering (D) Bell and spigot joint
Last Answer : (D) Bell and spigot joint
Description : The most suitable refrigerant for a commercial ice plant is : (A) brine (B) NH3 (C) Freon (D) air
Last Answer : Ammonia NH3
Description : Dew point temperature is constant as long as there is : (A) no change in moisture content of the air (B) no change in volume of air (C) no change in dry bulb and wet bulb temperature (D) no change in relative and specific humidity of air
Last Answer : Dew point temperature is constant as long as there is : no change in moisture content of the air
Description : The comfort conditions in air conditioning are : (A) 22 ºC dry bulb temperature and 60% relative humidity (B) 25 ºC dry bulb temperature and 100% relative humidity (C) 20º C dry bulb temperature and 75% relative humidity (D) 15º C bulb temperature and 80% relative humidity
Last Answer : The comfort conditions in air conditioning are : 22 ºC dry bulb temperature and 60% relative humidity
Description : Air is normally dehumidified by : (A) injecting water (B) passing steam (C) heating (D) cooling
Last Answer : 1
Description : A fluid in equilibrium cannot sustain : (A) tensile stress (B) compressive stress (C) shear stress (D) bending stress
Last Answer : A fluid in equilibrium cannot sustain : shear stress
Description : Euler’s dimensionless number relates the following : (A) Inertial force and gravity (B) Viscous force and Inertial force (C) Pressure force and Inertial force (D) Pressure force and viscous force
Last Answer : Euler’s dimensionless number relates the following : Pressure force and Inertial force
Description : Power transmitted through a pipe is maximum when the loss of head due to friction is : (A) one-half of the total head supplied (B) one-third of the total head supplied (C) one-fourth of the total head supplied (D) zero
Last Answer : Power transmitted through a pipe is maximum when the loss of head due to friction is : one-third of the total head supplied
Description : The efficiency of a centrifugal pump is maximum when its blades are : (A) straight (B) bent forward (C) bent backward (D) bent forward first and then backward
Last Answer : The efficiency of a centrifugal pump is maximum when its blades are : bent backward
Description : In axial flow fans and turbines, fluid enters and leaves as follows : (A) radially, axially (B) axially, radially (C) axially, axially (D) radially, radially
Last Answer : In axial flow fans and turbines, fluid enters and leaves as follows : (A) radially, axially (B) axially, radially (C) axially, axially (D) radially, radially
Description : Military type of organisation is known as : (A) line organisation (B) functional organisation (C) line and staff organisation (D) line, staff and functional organisation
Last Answer : Military type of organisation is known as : line organisation
Description : A systematic job improvement sequence will consist of : (A) motion study (B) time study (C) job enrichment (D) all of these
Last Answer : A systematic job improvement sequence will consist of : (A) motion study (B) time study (C) job enrichment (D) all of these
Description : Production cost refers to prime cost plus : (A) factory overheads (B) factory and administration overheads (C) factory, administration and sales overheads (D) factory, administration, sales overheads and profit
Last Answer : Production cost refers to prime cost plus : factory overheads
Description : In inventory control theory, the economic order quantity is : (A) average level of inventory (B) optimum lot size (C) capacity of a warehouse (D) lost size corresponding to break-even analysis
Last Answer : In inventory control theory, the economic order quantity is : optimum lot size
Description : In value engineering, the term value refers to : (A) manufacturing cost of the product (B) selling price of the product (C) total cost of the product (D) utility of the product
Last Answer : In value engineering, the term value refers to : utility of the product
Description : The main object of scientific layout is : (A) to produce better quality of product (B) to utilise maximum floor area (C) to minimise production delays (D) all of these
Last Answer : The main object of scientific layout is : (A) to produce better quality of product (B) to utilise maximum floor area (C) to minimise production delays (D) all of these
Description : Gantt chart is used for : (A) inventory control (B) material handling (C) production schedule (D) machine repair schedules
Last Answer : Gantt chart is used for : production schedule
Description : A twist drill is a : (A) side cutting tool (B) front cutting tool (C) end cutting tool (D) none of these
Last Answer : A twist drill is a : end cutting tool
Description : Tool life is most affected by : (A) cutting speed (B) tool geometry (C) feed and depth (D) microstructure of material being cut
Last Answer : Tool life is most affected by : cutting speed
Description : The usual ratio of forward and return stroke in shaper is : (A) 2:1 (B) 1:2 (C) 2:3 (D) 3:2
Last Answer : The usual ratio of forward and return stroke in shaper is : 3:2
Description : Binding material used in cemented carbide tools is : (A) Nickel (B) Cobalt (C) Chromium (D) Silicon
Last Answer : Binding material used in cemented carbide tools is : Cobalt
Description : Angle between the shear plane and work surface is known as : (A) lip angle (B) rake angle (C) cutting angle (D) shear angle
Last Answer : Angle between the shear plane and work surface is known as : shear angle
Description : Material having highest cutting speed is : (A) Cast iron (B) Bronze (C) Aluminium (D) High carbon steel
Last Answer : Material having highest cutting speed is : Aluminium
Description : If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then the energy stored in the latter at the same speed will be : ... at the first one (C) One fourth of the first one (D) One and half times the first one
Last Answer : If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then the energy stored in the latter at the same speed will be : One fourth of the first one
Description : The train value of a gear train is : (A) equal to velocity ratio (B) reciprocal of velocity ratio (C) always greater than unity (D) none of the above
Last Answer : The train value of a gear train is : reciprocal of velocity ratio
Description : The ratio of maximum displacement of the forced vibration to the deflection due to static force is known as : (A) Damping Factor (B) Damping Coefficient (C) Logarithmic Decrement (D) Magnification Factor
Last Answer : Magnification Factor
Description : Two metallic blocks having masses in the ratio 2:3 are made to slide down a frictionless inclined plane starting from rest position. When the blocks reach the bottom of the inclined plane, they will have their kinetic energies in the ratio : (A) 2:3 (B) 3:5 (C) 3:2 (D) 7:4
Last Answer : Two metallic blocks having masses in the ratio 2:3 are made to slide down a frictionless inclined plane starting from rest position. When the blocks reach the bottom of the inclined plane, they will have their kinetic energies in the ratio : 2:3
Description : A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as 1. Shift 2. Sand wash 3. Swell 4. Scab
Last Answer : A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as Sand wash
Description : The property of sand due to which the sand grains stick together, is called 1. Collapsibility 2. Permeability 3. Cohesiveness 4. Adhesiveness
Last Answer : The property of sand due to which the sand grains stick together, is called Cohesiveness
Description : In die casting, machining allowance is 1. Small 2. Large 3. Very large 4. Not provided
Last Answer : In die casting, machining allowance is Not provided
Description : The mode of deformation of the metal during spinning is 1.Bending 2.Stretching 3.Bending and stretching 4.Rolling and stretching
Last Answer : The mode of deformation of the metal during spinning is Bending and stretching
Description : Structural sections such as rails, angles, I-beams are made by 1. Hot rolling 2. Hot drawing 3. Hot piercing 4. Hot extrusion
Last Answer : Structural sections such as rails, angles, I-beams are made by Hot rolling
Description : The process extensively used for making bolts and nuts is 1. Hot piercing 2. Extrusion 3. Cold peening 4. Cold heading
Last Answer : The process extensively used for making bolts and nuts is Cold heading
Description : The cold chisels are made by 1. Drawing 2. Rolling 3. Forging 4. Piercing
Last Answer : The cold chisels are made by Forging
Description : Ceramic materials fabrication cannot be done by (A) Welding (B) Slip casting (C) Extrusion (D) Plastic pressing
Last Answer : (A) Welding
Description : Forge welding involves heating of parts to elastic stage and joint is prepared by impact force. a) Yes b) No, it is done up to plastic stage c) Heating is done up to boiling point d) None of the listed
Last Answer : b) No, it is done up to plastic stage
Description : Which of the following work is done by General purpose Robot? A : Part drive B : Welding C : Spray picking D : Part panting
Last Answer : B : Welding
Description : Preheating before welding is done to (A) Make the plate softer (B) Burn oil & grease sticking to plate surfaces (C) Avoid plate distortion (D) Prevent cold cracks
Last Answer : (D) Prevent cold cracks
Description : Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion. (A) Annealing (B) Toughening (C) Work hardening (D) Tempering
Last Answer : (A) Annealing
Description : oining of thin foils is preferred to be done by (A) Gamma rays (B) X-rays (C) Microwaves (D) Gas welding
Last Answer : Option C
Description : Joining of thin foils is preferred to be done by (A) Gamma rays (B) X-rays (C) Microwaves (D) Gas welding
Description : Which of the following work is done by General purpose robot? (A) Part picking (B) Welding (C) Spray painting (D) All of the above
Last Answer : D
Description : In how many time final grinding should be done of new AT weld ? (i) Just after the welding (ii) After 8 hrs of welding (iii) With in 24 hrs* (iv) None of the above
Last Answer : iii) With in 24 hrs*
Description : In how many time rough riding should be done of new AT weld ? (i) Just after the welding* (ii) After 8 hrs of welding (iii) After 24 hrs (iv) None of the above
Last Answer : i) Just after the welding*
Description : When was the collar painting done ? (i) After the welding * (ii) after one week of welding (iii) After 15 days of welding (iv) None of the above
Last Answer : (i) After the welding *