Monday 4 November 2019

Diploma Trainees Compass interview QUESTION PAPER

MAHINDRA & MAHINDRA LTD


  1.  Petrol Engine works on
               a) Diesel cycle       b) Carnot cycle   c) Ranking cycle     d)Otto cycle

       2.  The compression ratio is higher in
     
                a)Diesel Engines   b)Petrol Engines   c) Gasoline Engine   d) Kerosene Engines

       3.   The difference between the indicated horse power and the Break horse power is known as
         
             a)loss due to volume metric Efficiency    b)loss in cooling water
           
              c)loss in radiation         d) frictional loss

       4.  Engine pistons are generally made of aluminium due to

             a) it is lighter   b)wear's less    c)absorbs shocks     d)does not react with fuel and oil

        5. In IC Engine connecting rod is subjected to

            a) Tensile force        b) compression force    c) Tensile & compression force
     
             d) Rotating force

         6. In IC Engine the flywheel is requried to

             a) Increase weight of the engine    b)Reduce speed fluctuation in revolution

             c)Goverm the overall speed       d) All the above

         7 .  The most popular firing order in case of four cylinder in line IC engine is

              a) 1-3-2-4     b)1-4-2-3     c)1-2-4-3       d)1-3-4-2

         8.   The ratio of shaft HP to Indicated HP is called as

               a) Volumetric Efficiency    b)Relative Efficiency

               c)Mechanical Efficiency     d)Indicated Thermal Efficiency

         9.  Transformers are rated by

                a)KW        b)KVA           c)Ampere hour rating     d)VAH rating

       10. In case of diesel engine the type of governing used is

               a) Hit & miss governing       b) Quality governing

                c) Quantity governing           c) Combination method     

       11.  Heat is transferred from an Electric Bulb mainly by

                a) Conduction                  b) Convection

                 c) Radiation                    d) Conduction & convection

       12.  In a four stroke engine the working cycle is completed in

                a)

       13.  Theoretically, a four stroke engine should develop_____________Power as that of
         a two stroke cycle engine.

       14.  An isotropic process is always

       15. Brass is an alloy of

      16. machining properties of steel are improved by

       17. Young's modulus of  elasticity indicates

       18. lathe bed is made up of

       19. The mercury does not wet the glass. this is due to the property of the liquid
            known as

       20. The  strength is ability of material to resist

       21.An article costing Rs.84 was sold at a profit 50% the second purchaser sold it
            once again at a loss of 25% at what price did he sell?

       22. 5 out  of 2550 parts of the earth is sulpher. what is the percentage of sulpher in
              the earth ?

       23 Two trains are moving in opposite directions at the speed of 50 and 70 km. per hour.
             their lengths are 150 m and 100 m . the time required for their crossing each other is

      24. The annual income of A is 10% less than that of B whose income is 20% more than
            that of C. if the monthly income of C is Rs.200 what is total annual income of
             A , B and C

      25. A' s income is 25% more than B's income. the percentage of B's income in terms
             of A's income is

       26. A train covers a distance of 80km. at a speed of 40km.per hour for the first 60 km and
             the  

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