ESAB Interview Questions
SECTION I: Aptitude 45 questions 30 mins
- A & B will fill the tank in 20 and 25 min if both are opened but B is shutdown before 5 min how much time it will take to fill the tank.
- 1 27 125 ? 729 1331
- 1 3 4 8 15 27 ?
- 2 5 11 23 47 ?
- 289 means read from paper, 276 means tea from field, 35 means wall paper then tea is ? choice: 2, 6, 2or6, 2or7, 7or6
- P has two earring costing rupees 5000 plus a golden chain, R has diamond ring and a gold bangle, R and S get wrist watches from Q. Wrist watch cost Rs 7000 Q get a gold chain rs 20,000 from P,R gets a camera Rs15000 from S, diamond ring cost Rs 10000, gold bangle Rs 7000 at the beginning Q had three wrist watches and S had two cameras both costing RS 50000, P gives a earring to R, R gives diamond ring to P. R gives gold bangles to S.
- . What is the cost of the item R had initially
- who had the costliest item at the beginning.
- After exchange who has the item that totally cost Rs15000
- who made profit after exchange.
- Q receives from ? choice: P, Q , R, S, none
- A beats B by 35 metre or 7 sec in a 200 m race . A s time in covering the distance is ? choice: 40 47 33 44
- P is the north west of Q at a distance of 20 km Q is at a distance of 14 km to the south east of R. S is the south east of P at 38 km , T is the north west or south east of P, RT= ST
- PT is ? choice: 22 19 2 16
- V is either to the north west or south east of Q such that RV=3QV then VS is? Choice: 23 37 65 15
- What is the number should be added to 11158 such that the result can be divided by 77? Choice: 9 8 7 5
- DIUGNAL is the code for LANGUID then the code for ELKCAHS ?
- A is double the age of B in ten years back. B will be 40 yrs age after 10 years. What is the age of A now?
SECTION II: Technical 65 questions 45 mins
- The value of critical pressure for an van der vaal’s gas is a)p=8a/27br b) p=3b c)p=8ab/27(a-b) d)p=a/27b
- steady throttling? Choice: const entropy cont pr const volume cont temp cont enthalpy
- for same compression ratio petrol is more efficient
- centrifugal casting impurities collect? Outside the surface, inside the surface, throughtout the surface, somewhere.
- differential pressure in venture meter ? diff of velocity square of diff of velocity square root diff of velocity inverse of velocity inverse of sq root of vel
- The area under stress strain curve is a measure of ?
- The terminal of a D.C shunt motor is reversed what will happen?
- compression ration of a petrol engine?
- Eutectoid steel composition?
- Structure of boron trifloride molecule ?
- Series combination of resistor and capacitor put in a thyristor to protect from ?
- Difference between planar and shaper ?
- what is the purpose of wire wound resistance instead of carbon resistance?
- factor which affect drift in a D.C amplifier?
- Entropy is a measure of ?
- channel capacity of noiseless channel is ?
- Delta modulation , slope over load curve, what mode signal change?
- The band width required of transmission 4khz signal is ?
- gate terminal in thyristor is provided for ?
- In Al-Si alloy modification is achieved by a small addition amount of?
- low ductile brittle transistion temp is shown by? Struc steel tool steel tungsten steel hardened steel
- The first step in process planning is?
- MTM system is useful for ?
- X and R charts are used to control ?
- in designing the flip flop circuit the value of HFE for the selected transistor is takes min so as? 5 choices
- What is the ideal CO / CO2 ratio on the stoke line of a blast furnace?
- To prevent switching transience when interrupting dc current in inductance?
- Moment of inertia of a solid round shaft is ?
- Principle stress for biaxial loading will be max at ?
- For starting medium or high heat centrifugal pump keep the ? 5 choices
- Deleterious effect of sulphur in steel can be minimized by the addition of ?
- max tonnage of output of steel in the world is made by which process?
- large discrepancy between the theoretical and observed shear strength of metal should be explained by the presence of ?
- the representation of the plane of hexagonal metal?
- low carbon steel used in forming automobile bodies sometime develops roughened surface these are due to?
- Tin Sweat which recurs in cu tin alloy is and example of ?
- Efficiency of a transformer is max when ?
- If shear stress in nut is half the tensile stress in a bolt then nut length should be equal to?
- The teeth on a spur wheel are 5cm height and the greatest load acting on the point of the teeth is 300kg what is the maximum bending moment. The teeth has to bear ?
- The major chemical difference between pneumatic , Bessemer, and Thomas process lies in the chemical reaction involving the removal of?
- Banking is Blast furnace operational then Palance is?
- The major advantage of basic oxy process of steel making is?
- The resistivity of mercury is zero when it is cooled below 4.2K, the phenomenon is called ?
- desulphurization of iron in the blast furnace can be affected by lowering the Hearth temperature and lowering the slag volume is it true?
- when star delta starter is used to start a three phase induction motor starting torque?
- to have standard frequency supply from an induction generator it should be ?
- the bending moment of a shaft supported in a bearing ?
- soft magnetic material is a material hatching ?
- the hardenability of steel is reduced by ?
- German silver is and alloy of?
- Problem in bearing
- A digital single bit comparator of two variables is ?
- the ratio of Cp/Cv in adiabatic expansion or compression is ?
- Type of nozzle used in pelton wheel ?
- what is the purpose of Decoupling capacitors are used on most digital circuit boards ?
- velocity of water jet coming out of tank is ?
Interview questions:
- Why do you choose sales and marketing section
- diff between shaping and milling
- how to find heat transfer rate In IC engine
- application of differential calculation
- heat transfer co efficient in mild steel
- parameter for designing a gear
- third law of thermodynamics
- gear ratio formula
- three years from now where will you see yourself
- what is marketing
- what are the skills required for marketing
- for same compression ration which engine has better efficiency
- draw the pv diagram for the above question
- newtons law of cooling
- statistical values like density of materials, heat transfer co efficient.
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