Tripura Engineering Services Mechanical Paper | TPSC Engineering Services Previous Paper
Previous years’ question papers play an important role while you prepare for any competitive exam. Candidates who are preparing for the TPSC Engineering Services exam will surely reap the benefits of practicing the TPSC Engineering Services Previous Year Papers.
They will get to know the type of questions asked in the exam, their difficulty level and marks from previous years’ papers of the TPSC Engineering Services exam. Although previous years’ question papers hold a lot of importance for candidates, they are not easily found online.
They go through the internet for hours looking for Tripura PSC Engineering Services Previous Year Question Papers. To save them from this hustle, we have provided the Tripura Public Service Commission Engineering Services Previous Paper in this article.
Candidates can download these PDFs for free and study from them whenever they like without worrying about finding them.
TPSC Engineering Services Mechanical Paper 2018
| Sr.No. | Questions |
| 1 | The shape of bending moment diagram for a simply supported beam carrying a number of concentrated loads is
(a) Series straight lines (b) A straight line (c) A parabola (d) None of the above |
| 2 | The modulus of elasticity E, shear modulus N and Poisson’s ratio 1/m are related through
(a) N = 2E [1+(1/m)] (b) E = 2N [(1/m)-1] (c) E = 2N [1 – (1/m)] (d) E = 2N [1 + (1/m)] |
| 3 | The ratio of circumferential to longitudinal stress developed in a thin shell under internal pressure ‘p’ is
(a) 1 (b) 3 (c) 2 (d) 4 |
| 4 | Newton’s law of viscosity relates
(a) Shear stress and rate of angular deformation in a field (b) Yield shear stress, rate of angular deformation and viscosity (c) Pressure, viscosity and rate of angular deformation (d) Shear stress, temperature, viscosity and velocity |
| 5 | If the particle of a fluid attains such velocities that vary from point to point in magnitude and direction as well as from instant to instant, the flow is said to be
(a) Uniform flow (b) Steady flow (c) Turbulent flow (d) Laminar flow |
| 6 | The horizontal component of force on a curved surface is equal to
(a) Weight of the liquid vertically above the curved surface (b) Weight of the liquid retained by the curved surface (c) Pressure at centroid X area (d) Force on the vertical projection of the curved surface |
| 7 | The total number of instantaneous centres for a mechanism of n links in
(a) n (b) n – 1 (c) n ( n – 1) (d) n ( n – 1)/2 |
| 8 | In case of gears, higher pressure angle results in
(a) wider base and stronger teeth (b) narrow base and weaker teeth (c) wider base and weaker teeth (d) narrow base and stronger teeth |
| 9 | The locus of a point on the circumference of a circle which rolls without slipping on a fixed straight line, is known as
(a) involute (b) epicycloids (c) cycloid (d) hypo cycloid |
| 10 | At critical speed
(a) the shaft runs smoothly (b) the shaft runs with noise due to vibrations (c) the shaft becomes dynamically unstable with negligible lateral amplitudes (d) the shaft becomes dynamically unstable with large lateral amplitudes |
| 11 | In automobiles, Hooke’s joint is used between
(a) Flywheel and clutch (b) Clutch and gear box (c) Gear box and differential (d) Differential and wheels |
| 12 | The life of ball bearings as listed in catalogue represents
(a) 90% survival rate (b) 75% survival rate (c) 50% survival rate (d) 25% survival rate |
| 13 | Gas lubricated bearings are used for
(a) Very low rpm and high load applications (b) Very low rpm and low load applications (c) Very high rpm and low load applications (d) None of the above |
| 14 | In journal bearing L/D ratio seldom exceeds 2 due to
(a) Economic considerations (b) Risk of metal to metal contact (c) Heat dissipation problems (d) Need of higher lubricating oil pressures |
| 15 | In case of gears, Addendum is
(a) The depth of a gear tooth (b) Half the depth of a gear tooth (c) Depth of tooth space below the pitch circle (d) Height by which tooth projects beyond the pitch circle |
| 16 | The thickness of a gear tooth is measured
(a) Along the pitch circle (b) Along the root circle (c) Along the outer circle (d) Average of the profile |
| 17 | If a centrifugal pump takes too much power, the cause may be
(a) Low speed (b) Air in water (c) Air leakage (d) Heavy liquid |
| 18 | Air vessels in a reciprocating pump are fitted to
(a) Reduce the acceleration head (b) Reduce suction head (c) Increase delivery head (d) Increase the opening speed of pump |
| 19 | A francis turbine is
(a) Inward flow reaction turbine (b) Inward flow impulse turbine (c) Outward flow reaction turbine (d) Outward flow impulse turbine |
| 20 | If the specific speed of a turbine is 800, the turbine should be
(a) Francis (b) Kaplan (c) Pelton wheel (d) None of the above |
| 21 | A hydro electric plant is usually termed as high head plant when the head is
(a) More than 15 m (b) More than 25 m (c) More than 35 m (d) More than 45 m |
| 22 | The falling drops of rain acquire spherical shape on account of
(a) Vapour pressure (b) Surface tension (c) Compressibility (d) Buoyancy |
| 23 | The basic purpose of drum in boiler is to
(a) Serve as storage of steam (b) Serve as storage of feed water for water wall (c) Remove salts from water (d) Separate steam from water |
| 24 | The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is
(a) More (b) Less (c) Same (d) None of the above |
| 25 | The economiser is used in boilers to
(a) Increase thermal efficiency of boiler (b) Extract heat from the exhaust flue gases (c) Increase flue gas temperature (d) To heat feed water by bled steam |
| 26 | Power point of fuel in the
(a) Storage temperature (b) Lowest temperature at which oil will flow under set condition (c) Temperature at which fuel is pumped through burners (d) Temperature at which oil is transported |
| 27 | Incomplete combustion can be best judged by
(a) Smoky chimney exit (b) Excess air in flue gases (c) Measuring carbon mono-oxide in flue gases (d) Measuring temperature of flue gases at exit of furnace |
| 28 | Evaporative capacity of boiler is expressed as
(a) Kg of steam produced (b) Steam pressure produced (c) Kg of fuel fired (d) Kg of steam produced per kg of fuel fired |
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