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6th December 2015, 02:45 PM
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Join Date: Apr 2013
Re: Sail Management Trainee Technical Paper

As you want I am here giving you sample question paper for Sail Management Trainee Technical examination.

Sample Paper

25In two stage turbine plant, reheating after first stage

A increases work ratio B decreases work ratio

C does not affect work ratio D none of the above


26For a jet propulsion unit , ideally the compressor work and turbine work are

A equal B unequal

C not related to each other D unpredictable

27 Various kinematic pairs are given below.choose the lower pair

A ball bearings B tooth gears in mesh


C camm and follower D crank shaft and bearing


28The relation between the number of pairs forming a kinematic chain and the

Number of links is

A l=2p-2 B l=2p-3

C l=2P-4 D l=2p-5

29In a reciprocating engine

A crankshaft and flywheel form 2 kinematic links


B crankshaft and flywheel form 1 kinematics links

C crankshaft and flywheel do not form kinematic links

D flywheel and crankshaft separately form kinematic links

30A kinematic chain is known as a mechanism when

A none of the link is fixed

B one of the links is fixed

C two of the links are fixed

D all of the links are fixed

31 Which of the following is an inversion of single slider crank chain?

A beam engine

B watt’s indicator mechanism

C elliptical trammels

D whitworth quick return motion mechanism

32 control volumes refer to

A a fixed region in space
B a specified mass

C an isolated system

D a closed system

33An isentropic process is always

A irreversible and adiabatic

B reversible and isothermal

C friction less and irreversible

D reversible and adiabatic

34Work done in a free expansion process is

A 0

B minimum

C maximum

D positive

35.The figure shows a pin-jointed plane truss loaded at the point M by hanging a mass of 100 kg. The
member LN of the truss is subjected to a load of?
(a) 0 Newton

(b)490 Newtons in compression

(c)981 Newtons in compression

(d) 981 Newtons in tension

36.In terms of.Poisson’s ratio (v) the ratio of Young’s Modulus (E) to Shear Modulus (G) of elastic materials is ?

(a)2(1 + v)


(b) 2(1 — v)

(c)(1 + v)/2

(d)(1 — v)/2

37. Two mating spur gears have 40 and 120 teeth respectively. The pinion rotates at

1200 rpm and transmits a torque of 2O N. m. The torque transmitted by the gear is

(a) 6.6 Nm

(b) 20 Nm


(c) 40 Nm

(d) 60 Nm

38. The figure shows the state of stress at a certain point in a stressed body. The magnitudes of normal stresses in the x and y direction are 100 MPa and 20 MPa respectively. The radius of Mohr’s stress circle representing this state of stress is

(a)120

(b)80

(c)60

(d)40

39.For a mechanism shown below, the mechanical advantage for the given configuration is?

(a)0

(b) 0.5

(c)1.0

(d)Infinity

40.A vibrating machine is isolated from the floor using springs. If the ratio of excitation frequency of vibration of machine to the natural frequency of the isolation system is equal to 0.5, the transmissibility of ratio of isolation is

(a)1/2

(b)3/4

(c)4/3


(d)2

43. The S-N curve for steel becomes asymptotic nearly at

(a)10 3 cycles

(b) 10 4 cycles

(c)10 6 cycles

(d) 10 9 cycles


44. In the window air conditioner, the expansion device used is

(a)capillary tube

(b) thermostatic expansion valve

(c)automatic expansion valve

(d) float valve

45. During chemical de-humidification process of air

(a) dry bulb temperature and specific humidity decrease

(b) dry bulb temperature increases and specific humidity decreases

(c) dry bulb temperature decreases and specific humidity increases


(d) dry bulb temperature and specific humidity increase

46.An incompressible fluid (kinematic viscosity, 7.4 x 10-7 m2 /s, specific gravity, 0.88) is held between two parallel plates. If the top.plate is moved with a velocity of 0.5 rn/s while the bottom one is held stationary, the fluid attains a linear velocity profile in the gap of 0.5 mm between these plates; the shear stress in Pascals on the surface of top plate is ?

(a)0.651 x 10 -3

(b) 0.651

(c)6.51

(d) 0.651 x 103

47.Environment friendly refrigerant R134a is used in the new generation domestic refrigerators. Its chemical formula is ?

(a)CH ClF2

(b) C2 Cl 3F3

(c)C2 Cl 2F4

(d) C2 H2F4

49. A gas contained in a cylinder is compressed, the work required for compression being 5000 kJ. During the process, heat interaction of 2000 kJ causes the surroundings to the heated. The change in internal energy of the gas during the process is

(a)—7000kJ

(b) —3000kJ

(c)+ 3000 kJ


(d) + 7000 kJ


52. The mechanism of material removal in EDM process is


(a) Melting and Evaporation

(b) Melting and Corrosion

(c) Erosion and Cavitation

(d) Cavitation and Evaporation

53. Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming, effective resistance to be 200 micro-ohms and current flow time of 0.2 second, heat generated during the process will be

(a)0.2 Joule

(b) 1 Joule

(c)5 Joule

(d) 1000 Joules


54. In PERT analysis a critical activity has

(a)maximum Float

(b) zero Float

(c)maximum Cost

(d) minimum Cost

55. For a product, the forecast and the actual sales for December 2002 were 25 and 20 respectively. If the exponential smoothing constant (a) is taken as 0.2, the forecast sales for January 2003 would be ?

(a)21

(b)23

(c)24


(d) 27

56. Misrun is a casting defect which occurs due to

(a) very high pouring temperature of the metal

(b) insufficient fluidity of the molten metal

(c) absorption of gases by the liquid metal

(d) improper alignment of the mould flasks

57. The percentage of carbon in gray cast iron is in the range of

(a)0.25 to 0.75 percent

(b) 1.25 to 1.75 percent


(c)3 to 4 percent

(d) 8 to 10 percent

59. The figure below shows a planar mechanism with single degree of freedom.

The instant center 24 for the given configuration is located at a position ?

(a) L

(b) M

(c) N

(d)Infinity

60.A uniform stiff rod of length 200 mm and having a weight of 300 N is pivoted at one end and connected to a spring at the other end.

For keeping the rod vertical in a stable position the minimum value of spring constant K needed is ?


(a) 300 N/m

(b) 400 N/m

(c) 500 N/m

(d) 1000 N/m

61. In a bolted joint two members are connected with an axial tightening force of 2200 N.

If the bolt used has metric threads of 4 mm pitch, the torque required for achieving the tightening force is?
(a)0.7Nm

(b)1.0 Nm


(c)1.4 Nm

(d) 2.8 Nm

Here is the attachment.
Attached Files
File Type: zip SAIL management Trainee exam sample paper.zip (18.2 KB, 21 views)


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