Related with 'MECHANICAL ENGINEERING DRAWING' | We found Total 1083 Question paper ..!

47.

48.

49.

50.

ST,

52,

83.

Mechanical efficiency of an engine 5

(^) IHP/BHP (B) BHP/IHP (9 BHP/FHP ~ FHF/BHP

The sound produced due to the excess clearance between piston and cylinder during cold
starting :

(८) Knocking (B] Diston slap (೮) Humming (ப) Piston scuffing

The distance between center line of crankpin and main journal axis is :
(A) Crank throw (9) Valve clearance

).... See more



2 Puring which one of the following strokes, the pressure in the engine cylinder become less

than the atmospheric pressure ?

(A) 500007 (B) Compression (C) Power (D) Exhaust

45. Diesel cycle engines are also known 1

(வ) பண்ற volume cycle engines (8) Constant vacuum cycle engines

யி) பணை pressure cycle engines (D) पव cycle engines

46. 1 kilowatt is equal to :

(A) 746 HP (B) 4500 HP (C) 1.3596 HP (D) .... See more

10.

11.

12.

13.

14.

15.

Diaphragm type mechanical fuel pump is driven by :
(ಯ) V-belt (B) வேண்ட
(ര) Camshaft eccentric (D) Cooling fan

1f the engine is continues to running after the ignition switch is turned off is called :

(ಗ) Dieseling (0) Percolation

(© Purging (D) Flooding
The component of battery coil ignition system which convert battery voltage into breakdown
voltage is calle.... See more



282/2015

6.

Maximum : 100 marks

Time : 1 hour and 15 minutes

Before a mechanic get under a vehicle he should make sure that :
(ಗ) The tyres are inflated (0) He use a ereeper
(C) 'The jack handle is down (D) The vehicle is on safety stands

In automobile servicing concept what is meant by ‘Tear down
(ക Adjusting (B) Disassembling
(C) Reassembling (D) Machining

Which is most suitable to check spark plug gap?
.... See more

26.

27.

28.

29.

30.

31,

32.

33.

34

The main advantage of synchronising unit is :
(ಗ) Makes gear changing easy and minimizes मऽ
(B) High mechanical efficiency
(C) High noise level
(D) None of these

The fundamental operating principle of alternators :
(A) . Electromagnetic induction (18 Electromagnetic pressure
(0) Pascal’s law (1) Fleming's law

The ignition quality of.... See more



35.

36.

87,

38.

39.

40.

41.

42,

The girth of the stem or root increases due to :
(ക लत Meristem (B) Intercalary Meristem
(C) Cambium (D) Vascular bundle

Which of the following elements are liquids at room temperature?
(A) mercury and iodine (ए) mercury and bromine

(C) வரைய and cesium (D) അല്യോ മ gallium

The scientific name of paddy is :
(A) Mim.... See more

43.

44.

45,

46.

47.

48,

49.

30.

Pythagoras theorem applies to -
(£) Square
(ര Equilateral triangle

According to Newton :
(^) Force = Mass x Acceleration
(C) Foree = Velocity x Time

If a number is multiple of 2 18 ೧81106 :
(५) Odd number

(C) Even number

Density has relation between :
(५) mass and volume

(9 temperature and pressure

Proper fr.... See more

18,

19.

೩0,

21:

೩೩.

23.

24.

೩5,

26,

Vitamin -A deficiency can lead 00 :
(ல Beri-beri ' ‏رت‎
‎(0 Night blindness (0)

Which one is NOT a good source of Vitamin-C?
(A) Tomato (B)
(C) Lemon (1)

Which of the following prevent absorption of ivon?
(ക) 18. (B)
(C) guava (0)

13711100 18 21077 ೩ 80080 of iodine?
(ക) cereals (0)
(0). 086 0)
.... See more

27.

31.

32:

Diesel knock happens when :

(A) Ignition delay period increases (B) Ignition delay period decreases
(C) C.Ris high (D) None of these
Common fuel supply system in two-wheeler is :
(A) Pressure (B) Pump
(0 Gravity (D) Vaccum

Stoichiometric mixture of petrol engine at its ideal condition is :

(ക) 1 (B)
(©) 1 (7)

The drive for mechanical fuel pump is taken from :

(A) Cam shaft (B)

(C) .... See more



77. To cut thin sheet of gauge size No. 20 and above :

(ക) Bench shear (B) Block shear
(C) Hand shear (D) Chisel
78. A metal plate of thickness less than —————— is considered as sheet.
) 1mm (1) 201
0 3 ‏صھ‎ (D) 4mm

79. To enlarge the hole size by internal turning :
(A) பாண மலி 0) Undercutting tool
(0 Forming tool (D) Boring tool

80. One micron is equal ۱۰
(ക 0.001 m (B) 0.0001 ೫
(© 0.000.... See more

16.

17-

18.

19.

20.

21.

22.

28.

The most popular commercial Op-Amp 1015:
ಯ) 10555
(©) 10709

(8) 10708
(1) 17

NPN transistors arve preferred to PNP transistors for :

‎Easy use in +Ve supply rail‏ نف

‎(B) A wide range of operating temperature

‎(6) Higher switching ஹகம்‌
(D) None of the above

‎Which one of the following is a signal di.... See more

94. A transducer's function is to :
(A) Convert energy (B) Transmit electrical energy

(9) Produce mechanical energy (D)) * Prevent current flow

95. Which component is considered to be an “OFF" device?
(ക) Transistor (B) JFET
(0 D-MOSFET (D) E-MOSFET

96. Ina PLL, to obtain lock, the signal frequency must :
(ಸಿ) Come within the lock range
(B) Be less than the capture frequency
(C) Come within the capture range

(D) Be greater than .... See more

50,

5೩,

54.

85.

56.

87.

For the digplay of digit ‘3’ in a 7 segment display unit, the lit segment are :

A) fgbea
© )۵۶

ELCB work on the principle of :
(ക Over load current

(0) Residual current

In a induction motor AC is applied to :
(ಗಿ) Stator
(©) Rotor

A snubber circuit usually consists
(ക RC series circuit connected in series
(B) RC parallel connected in.... See more

70.

71.

72,

73.

74.

76.

77.

The kind of abrasion occurs at folds and collars can be termed as:
(५) Plane abrasion (B} Flex abrasion

((1) Edge abrasion (1) Flat abrasion

In ate picking, the shuttle enters the shed when the going part of the loom ig nearer 10 the :
(^) Lop centre (B) Back centre

(0 Bottom centre (10) Front centre

Weft patrerns in fabries can be produced by :
(ക Fast r.... See more

19,

20,

21,

22,

23.

24.

25

26.

Eight friends P, Q, R, 5, T, U, V, W and X are sitting around a circle facing the centre. ೫ 15
third to the right of R and second to the left of T, Q is not an immediate neighbour of X or R.
V is second to the right of S and is an immediate neighbour of R. W is the immediate right of
V. Who is third to the right of W ?

(ಗಿ) 5 ® P (೧ R യു 7

In a certain.... See more

33.

34.

35.

36.

87,

38.

39.

40,

41.

42.

A device used to remove condensate from steam heated equipment 1s 2

(4) (णाः (B) Kettles (€) Traps (D) Condensers

The equation for overall heat transfer coefficient is :
(^) g=UAAT (B) q=UA/AT (೮) q=UAH/AT (D) q=UAAT/2

Thermal conductivity of Aluminium at 100°C is :
(ಗಿ) 206 w/m°C (B) 300 w/m°C (C) 400 w/m°C (D) 500.... See more

66.

67.

68.

69.

70.

721.

72.

73.

74.

The nature of chemical dyestuffs used for colouring coir fibre/yarn :

(ಗಿ) കുട്ടം (8) Direct (C) Basic (D) श्ना (५), क), ८)

The coir fibre used for brush making is extracted from husk by :
(ಹಿ) Retting (൫ Mechanical Decortication

(C) Neither (A} nor (B) (0) Both (A) and (B)

۲ yarn is used for the formati.... See more

93,

94.

96.

97,

98.

99.

100,

What is the thickness of the rope used for 3 of No. 1 size Rope Mats ?
കു 27 B 1”
{©} 0.5“ (0) None of (A), (ए), (८)

Name the primary colours used for dyeing coir :
(ಗಿ) Red, Yellow, Blue (छ) Green, White, Brown
(C) Purple, Orange, Violet (D) None of (A), (B), (C)

Name the dye bath assistant used for dyeing coir using Direct dyes :
(A} Sodium chlori.... See more

26.

27.

28.

29.

31.

32,

33.

The mechanical power developed by a shunt motor will be maximum when the ratio of back
e.m.f, to applied voltage is :

(ಗಿ) 4 ഭു 2 © 1 (D) 05

The e.m.f. induced in the armature of a shunt generator is 240 V. The armature resistance is
0.8 £2. If the armature current is 10 A, the terminal voltage will be :

(५) 7۷ (8) 240V (©) 232% (D) 160V

The speed o.... See more

69.

71.

79.

74.

75,

76.

What will be the load power factor, if one waltmeter read positive and the other zero in a
two wattmeter method for power measurement ?

(ಗಿ) पणा (18) 2616 (ಲ) 05 lag (D) 05 lead

A dynamometer moving coil instrument can measure :
(ಗಿ) ac only (B) d.c. only
(C) both acand १.६. (D) only pulsating quantities

Which of the following bridge rectifiers has highest harm.... See more

ऋ /2014

2:

The wave function W associated with the motion of electron in a hydrogen atom can be
expressed conveniently as a function of :

(A) Cartesian co-ordinates x, £ (ए) Spherical Polar co-ordinates r, 0, ¢
(C) Cylindrical co-ordinates r, ¢, z (0) None of these

The major weakness of the Molecular Mechanics method is :

(A) It ignores electrons.

(ஐ) The calculations are relatively slow.

(C) Gives poor results for I.... See more

35.

36.

37.

38.

39.

40.

41.

42,

The addition of प्रगट प्राणाति ‏ہے تاعاق‎
(4) Holes (8) TFree electrons
(C) Valence electrons (D) None of the above

The [മാലിന of an alternator in an automabile is to :
(A) Supply electric power

(B) Converl mechanical energy into electrical energy
(C) Continually charge the battery

(D) Partially convert e.... See more

52. Cable joints are soldered for :
(५) Good mechanical strength
(B) Electrical conductivity
[0 To avoid corrosion
(D) All the above

53. The voltage induced in a conductor or coil by its own magnetic field is called :
(५) Mutually induced emf (0) Self induced emf

(C) Reactance voltage (D) Magneto motive force

54. In a centre tap circuit, if voltage between one end of secondary winding and centre tap is
300 V peak. Then PIV is :

(A) .... See more

147/2014

1.

6.

Which non-ferrous metal is reddish in colour 7
{A) Aluminium (8) (णत (6) Mild Steel (0) Copper

Argon gas cylinder is painted with

(ಗಿ) Blue colour (B) பஷ லவா (त) Black colour (D) Maroon colour

Which metal has highest melting point ?
{A) Tungsten (B) Aluminium (C) एणा (ப) [णा

Which one of the welding machines given below can be used for both AC and DC
welding ?

(வ) .... See more

25

26.

27.

28,

29.

30,

31.

32.

The increase in resistance due to non uniform distribution of current in a conductor is
known as ;

(^) Electro magnetic effect (01) Proximity effect

(() Electro static effect (D) ടിയ ലട!

For moving iron instruments, which statement below is not correct ?
[ക] Scales of this instrument are uniform

(ए) This instruments can be used both in d.... See more

51.

52,

53,

54.

55,

56.

57.

58.

The rotor of the salient pole alternator has 24 poles. The number of cycles of emf in one
revolution would be :

(A) 24 ஐ 12 © 6 D) 4

The synchronous motors are not self-starting because :

(ಗಿ) Statoris not used

(B) Starting winding is not provided

{©} 178 direction of instantaneous torque on the rotor reverses after haif cycle
(2) Th.... See more