Acless than atmospheric pressure

Be-more than atmospheric pressure

Comore than the liquid vapour pressure

ಔ:1655 than the liquid vapour pressure

Correct Answer: Option-D
Question8:-Choose the correct values of fanning friction factor f:
Through a galvanized iron pipe (k/D = 0.0005) water flows with a Reynolds number of 100 and through another pipe of same diameter and roughness, water flows with a Reynolds
number of 10". The f values are

See more

Acless than atmospheric pressure

Be-more than atmospheric pressure

Comore than the liquid vapour pressure

D-less than the liquid vapour pressure

Correct Answer: Option-D
Question8:-Choose the correct values of fanning friction factor f:
Through a galvanized iron pipe (k/D = 0.0005) water flows with a Reynolds number of 100 and through another pipe of same diameter and roughness, water flows with a Reynolds
number of 10". The f values are

8.... See more

D:-star wheel teeth and pinion gear teeth
Correct Answer:- Option-A
Question39:-The type rear axle used on trucks
A:-semi floating
B:-fully floating
C:-three-quarter floating
D:-any one of the above
Correct Answer:- Option-B
Question40:-The vehicle ride will be comfortable if
A:-up-sprung weight is kept minimum
B:-sprung weight is kept minimum
C:-vehicle weight is kept minimum
D:-all of the above
Correct Answer:- Option-A
Question41:-Which .... See more

71.

72.

73.

74.

75,

76.

77.

78.

79,

80.

An example of Non-ferrous metal is :

(வ) Cast Iron (8) ۹ (€) Wrought Iron (0) Mild Steel
The diameter of the main ventilation pipe should not be less than पा.
(ಡಿ) 32 (8) 40 ८) 50 (>) 70

Benefits of Rain Water harvesting is :
(A) Ground water table raises (B) Reduce the salinity
(0 To avoid flooding (D) All t.... See more

48.

51.

55.

57.

58,

A term used to categorise methods of construction which use locally available resources and
traditions to address local needs :

(च) Sustainable architecture (18) Vernacular architecture

(0 Contemporary architecture (0) None of the above
Aeration of water is done Lo remove :

(A) Odour 18) Colour

(C) Bacteria (D) Hardness
The fire demand of a city may be worked out by :

(५�.... See more

58.

60.

61.

62.

63.

64.

68.

In the cross breeding programme of cattle, the exotic inheritance recommended is :
(ಗಿ) 20% (0) 6
)© 40% യ 70%

Referral laboratories for food sample analysis of 17018 876 1000696 8 :
(4) New Delhi, Bangalore, Ghaziabad, Mysore
48) Ghaziabad, Myszore, Kolkata, Pune
(©) दरम ला, Kolkata, Bangalore, Mysore

(D)) Trivandrum, Pune, Kolkata, Bangalore
See more

79.

80,

81,

82,

83,

84,

85,

86,

87.

Disc Brakes are also known as Brakes.
(^) Leading brake (B) Trailing brake
(ಲ) Internal expanding brake (D) External contracting brake

valve in the front brake line of hydraulic brake system holds off pressure going
from master cylinder to front disc calipers.

(ಹಿ) Schrader valve (B) Metering valve
(ಲ) Bleeder valve (D) Proportioning valve.... See more

16.

37.

Why reinforcement is added 17 cement conerete?
(ക) TFor easy setting ॥ For increasing load capacity

(C) For heavy pressure (D} For water proof

Mild steel pipe after galvanization is called :
{A) MS pipe . (8) GI Pipe
(¢ लर (10) Steel pipe

18. The name of valve which prevents the back flow of water is known as?

18.

20.

21.

23,

28.

24.

(A) Gate valve (8) Ball val.... See more

41.

42,

43.

44.

45.

46.

47.

48,

49.

50.

Hyper secretion വ്‌ ഈയ hormone in adult causes :
(8) Gigantism (B)
(C) Creteniam (1)

The chemical in cigarette smoke which cause cancer :

{A) Nicotene छ)
(C) Benzene D)

Valve that guards left auriculo—ventricular opening :
(A) Mitral valve (B}
(C) Semilunar valve (0)

Number of cranial nerves in huma.... See more

34.

88.

36.

87.

38.

39,

40.

41.

42.

SCR is used in high power control circuits. It is switched 1 ⋅⋅
⊂∆∶⇂↕↸∈↖∃∐∏⋅∎↧⊑⋔⊟≝⊡≵↳≻∁⊔∐⋅∽∁ (18) Reducing the gate voltage
(0) Reducing the anode voltage (D) Reducing anode current

In lead II configuration for ECG measurement, active electrodes are placed at :
(note : RA-Right arm, LA-Left.... See more

| The formation of air pockets inside the torque _ due to low pressure is known as ;
(A) Air bleeding (B) Cavitation
)0 Free wheeling (D) None of the above
26. Which among the following factor which does not affect engine compression ratio?
^) Thickness of cylinder head gasket (B) Carburettor flooding
- . i
(C) Baffles on piston (D) Particulate deposits inside cylinder
27. The process commonly used for the manufacturing of cylinder liners is : -
(ക) f.... See more

58.

59.

60.

61.

62.

63.

66.

67.

“R134a"is:
(வி Abrakefluid ` (B) A coolant
)© A lubricant (D) A refrigerant
The parking brake employed in cars are usually operated :
(ക) Mechanically (B) Hydraulically
(C) Electrically (D) Pneumatically
In the air brake system, the valve which regulates the line air pressure is :
(ക) Brake valve (B) Delivery valve
(C) Thermostat valve (D) Unloader va.... See more

68.

69.

70.

71

72

73.

74.

The excessive positive camber on wheel causes the tyre to wear :
(ക) More at center (18) 11016 at outer edge
)0 More at inner edge ∎ (D)Morcatsidewa]l

The cone clutches are used in :
(५) வயத mesh gear box (18) Constant mesh gear box
(C) Epicyclic gear box (D) Synchro mesh gear box

Which type of the tyre gives riding comfort at slow speed?
(ക Cross ply (B) R.... See more

16.

37:

۔18

19.

20.

21.

22.

23.

Valve rotators are used for :
(ಯ) Rotating the valves on its own axis (B) Reducing the warping of valves

(C) Even wear distribution of valves ൬) All of the above

VTEC stands for :
வ Variable valve Timing Electronic Cam shaft
(ए) Variable valve Timing and lift Electronic control
(C) Valve Timing Electrical Cam shaft
(D) None of the above

M.... See more

84/2014

Maximum : 100 marks
Time : 1 hour and 15 minutes

1. Heavy flywheel required in :
(A) Multi cylinder engine (B) Two stroke engine
(C) V-Engine (D) Single cylinder engine

2. Intwo stroke three cylinder engine, the firing interval of crank shaft is :
(ക 3605 8) 2405
(0) 60 (D) 120°

3. The diameter of inlet valve is :
(A) Bame as exhaust valve (1) Greater than exhaust valve
(0) Smaller than exhaust valve (D) 1/4% of exhaust v.... See more

च e

|
130/2014

7

10.

If the pH of water is 8.0 it indicates that the sample is :
(A) Acidic (8) Neutral (0) Alkaline (D) None of these

Which of the following disease is not considered to be water borne ?
(A) Small Pox (B) Typhoid {C) Dysentery (D) Cholera

Water carriage system needs more :

(A) Men (B) ‏٢٥ھ‎ (C) Water (D) Money
Sullage is -

(ക) Waste water from bath (8) Drainage from road

(.... See more

இ ‏وس‎

44.

45.

46.

47,

48.

49,

50.

51:

The valve which operates automatically ‏ليب‎ the pressure in the pipe exceeds the set വ്‌
pressure is called :

(ಗಿ) Safety valve (18) Pressure valve (C) Relief valve (12) Reflux valve

Copper sulphate is used in treatment of water for controlling :

(^) Algae (B) Silt (ಲ) Bacteria (12) Mineral matter

The first sta.... See more

27.

28.

29.

80.

81.

32.

38.

84.

೫8,

Reading accuracy of steel rule :
(५) 0.5mm (B) 2mm
(0) 0.2mm (D) 2.5mm

Tap and wrench is used for cutting :
(A) External thread (B) Internal thread
(0 Groove (D) Pipe

Material used for galvanizing M.S. pipe :
(५) Paint (B) Tin
(C) Lead (D) Zinc

What 18 grain in wood?
(ക Direction of growth cell (B) Knot
.... See more

72. The Trap which Prevent the Siphonage :

(ಯ) P-Trap ന
(0 S-Trap ന്യു
73. Which ealiper is used for External measurement?
(ಗಿ) Out side Caliper (B)
(C) Jenny Caliper 0)

74. Which chisel is uged for cutting C.I pipe?
(ಗಿ) Cross cut chizel (1)
(ര Diamond point chisel D)

78. Aluminium is extracted from :
(4) Zinc sulphate 08
(C) Hematite ()

76, Presence of calcium and magnesium in water cause :
(A) Soften.... See more

049/2018 لا الا اله الام

21.

22.

23.

24.

25.

26.

27.

28.

In order to maintain uniform temperature all along circumference and to avoid sticking,
of valves is used.

ക) Rockeram B) Guide

C) Spring D) Rotator

An engine having equal bore and stroke is called

A) Square engine 18) Radial engine
C) Wankel engine 0) Gas turbine

To eliminate slapping tendency.... See more

049/2018 لا الا اله الام

85.

86.

87.

88.

89.

90.

91.

92.

93.

The tyre sipes helps 10

A) Increase traction B) Increase tyre life
0) Increase cornering effort D} Increase speed
Antilock Brake System works on the principle of

A} Channeling of fluids B) Frictional stability
C) Weight transferring D} Pressure modulation

The shape of reflector used in head lamp o.... See more

25,

26,

27

28,

29,

30,

31,

32,

33,

34,

How many cells are used in 12 volt automobile battery ?
(ಹ) 3 ൫ 4 © 8 യു 6

If the air fuel mixture ignites before the spark takes place at spark plug is called :
(മ) Penetration (8) Detonation (ಲ) Oxidization (D) Pre-ignition

What is the reason behind using aluminium alloy to make cylinder blocks ?
(മ) Light in weight and ha.... See more

53,

54,

55,

56,

57.

58,

59,

If we use solar panels to run a car AC then the mileage of car will :
(ಹ) Increase (8) Decrease

(ಲ) Remain same as earlier (D) None of these
The main working substance in air conditioning is .
(A) Dry air (B) Moist air

(ಲ Dryice (D) Water vapour

The temperature at which moisture condenses on a surface is called

(5) Grains of moisture (8) Wet bulb temper.... See more

82,

83,

84,

85,

86,

87.

88.

A radiator pressure cap contains :

(ಹಿ) Pressure and vacuum relief valve
(8) Pressure relief valve

(C) Vacuum relief valve

(D) Over flow valve

What is the cause of engine over heating ?
(മ) Thermostat valve always open

൫) Run at high RPM

(~) Injector pressure is more

(D) Broken fan belt

What is calibration of FIP ?
.... See more

26.

27.

28,

29.

30,

31,

32,

Indicated Horse Power (IHP) of an engine :

27 PmLAN

(&) 4500 ൫ 4500 * K,
27 PmLAN

© 2500 XK ೧) 4500

Compression ratio of diesel engines are approximately
‏(ھ)‎ 1 © 1
(© 1 (೧) 1

In diesel engines,
(A) Ignition takes place at constant pressure and heat rejected at constant volume
(B) Ignition take place at constant volume and heat.... See more

028/2020

10.

11.

12.

13.

14.

15.

16.

17.

It indicate the loss of water penetrated into the soil it may join some underground
water

A) Transpiration B) Surface runoff
C) Percolation D) Infiltration

For potable water, the amount of chloride should not exceed

A) 225 ppm B) 275 ppm C) 150 ppm D) 250 ppm

The theoretical time taken by a particle of water to pass between entry an.... See more