NTS Educators SSE (Science) Jobs Test With Answers

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NTS Educators SSE (Science) Jobs Test

Sr. # Questions Answers Choice
1 If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be 1 s 2 s 3 s 4 s
2 If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will Increase Decreases Remain the same First 'A' then 'B'
3 In which case dose the potential energy decreases? On compressing a spring On stretching s spring One moving a body against gravitational force One the rising of an air bubble in water
4 Which one of the following is a simple harmonic motion? Wave moving through a string fixed at both ends. Earth spinning about its own axis Ball bouncing between two rigid vertical walls Particle moving in a circle with uniform speed.
5 Blood has a density Equal to water Greater then water Lesser then water None of these
6 The smooth or steady stream-line flow is know as Laminar flow Turbulent flow Both a and b None of the above
7 According to Stoke's law drag force depends on Initial velocity Final velocity Terminal velocity Instantaneous velocity
8 With the increase of temperature viscosity Increase Decrease Remains same Doubles
9 Ball pen function on the principle of Viscosity Boyle's law Gravitational force Surface tension
10 A person standing near the track of  a fast moving train has tendency to fall towards it because of Vibration due to motion of train Gravitation force of attraction between person and trains The high speed of train Some other effect
11 Surface tension of water is due to Inter molecular attraction Intermolecular spaces Inter molecular repulsion None of above
12 Bernoulli's equation is based upon law of conservation Mass Momentum Energy None of these
13 The terminal velocity of a small size spherical body of radius R moving in a fluid varies as R R<sup>2</sup> 1/R (1/R)<sup>2</sup><br>
14 The velocity of falling raindrops attains limited value because of Up thrust of air VIscous force exerted by air Surface tension effect Air currents atmosphere
15 A person standing on a rotating platform has his hands lowered He suddenly outstretches his arms.The angular momentum Becomes zero Increases Decreases Remains the same
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