97. Which of the following is not associated with hydraulic actuator speed control ?
(^) Meter in speed control (B) Meter out speed control

(C) Bleed off speed control (D) Bleed out speed control

98. Which one of the following terms is associated with positive displacement pumps ?
(A) Volute casing (B) Semi open impeller

(C) Turbine pump (D) Screw rotors

99. Which of the following is not related with pipe joints ?
(A) Eccentric reducer (B) Concentr.... See more

92.

93.

94.

95.

96.

97.

98.

99.

100.

02/23

Venturimeter is a device used to measure the
A) Velocity of fluid B) Pressure of fluid
C) Rate of flow of fluid D) Viscosity of fluid

Newton's law of viscosity states that

A) Shear stress is directly proportional to the velocity

B) Shear stress is directly proportional to velocity gradient
C) Shear stress is directly proportio.... See more

77.

78,

79.

80,

81,

82,

83,

84,

85,

A cooling tower’s warm water inlet temperature is 44 °C, sump water outlet temperature is 32 °C,
surrounding air wet bulb temperature is 24 °C. Find out the efficiency of the cooling tower in
percentage.

(4) 60% (೫) 40%

(೧) 80% യ 75%

The cut-in and cut-out set pressure difference is called
(A) set pressure (B) differential pressure.... See more

ಇಸಾ

81.

52.

58.

54.

35,

56.

57.

58.

The purpose of a thermostat in an engine cooling system is to :
(ക) Prevent the coolant from boiling
(B) Indicate to the driver the coolant temperature
(C) Raise the boiling point of coolant
(12) Allow the engine to warm up quickly

In which engine stroke, the pressure in the cylinder is less than atmospheric pressure?

(ക Suction (8) Comp.... See more

8. Hydrant is provided for :
(^) Irrigation purpose (B) Drinking purpose
(¢) Fire fighting purpose (D) Washing purpose

9, Self- closing water taps are capable for :
(ಗ) Wash basin {(B) Kitchen sink
(C) Public drinking fountain (0) Batch room

10. Reseating tool is used for :
(A) cleaning of valve (13) setting of valve
(€) dismantling of valve (D) levelling and cleaning of valve seat

11. The name employed for a fitting, having a la.... See more

33.

84.

35.

36.

87.

Which type of valve is used in a reciprocating refrigeration compressor?
(4) rotary valve (B) poppet valve
(C) ring plate (D) glob valve

The presence of frost on the cooling coils of the evaporator of a refrigeration system :
(A) increases the compressor pressure
(8) act as the insulator and decreases the heat transfer rate
(€) makes the compressor run for comparatively short durations
(D) reduce .... See more

78.

76.

77.

78.

79.

80.

81,

82.

88,

A mechanical shaft seal is necessary in a :
(A) open type compressor (B) semi hermetic compressor

(C) hermetic rotary compressor (D) hermetic reciprocating compressor

While recovery the cylinder can be charged maximum upto :
(ക) 95% (B) 6
ര 60% D) 45%

The component common for vapour compression and vapour absorption system 15 :

(.... See more

16.

17.

18.

19.

20.

21

22:

23.

|:

Minimum size of a bibeock 15 :

(A) 15 mm (B) 20 mm (८) 25 mm (D) 30 mm

Which valve is provided at the bottom of suction pipe for holding water in the suction
pipe ?

(५) Footvalve (8) Ball valve (0) Gate valve (D) Globe valve

Floor trap is also known as :

(५) (णार trap (B) Running पमु (ल) Nahani trap (D} Interceptin.... See more

61. What should be used to connect two pipe with same diameter ?

(A) Reducer (8) Socket

(C) Eccentric Reducer (D) Concentric Reducer
62. The most important part of a trap is :

(A) Water seal (8) Diameter (<) Depth of water (D) Height
63. For achieving self cleaning velocity, 150 mm dia pipe should have a slope of :

(8) 1:35 (B) 1:40 (©) 1:50 (D) 1:60
64. Lead caulked joints are provided in _ pipe.

(A) ‏.ا‎ pipe (8) ‏عمام ل‎ .... See more

47,

49.

506.

51.

52.

58.

54.

58.

The C.I. engine pistons are generally made ज

(A) Aluminium alloy (B) Stainless steel
() Copper 10) வண

White metal is an alloy used in diesel engines to manufacture :
(ക) Connecting rod bolts (B) Exhaust valve
{C) Main bearing (D) Engine body

Cylinder liners are subjected to extreme heat of combustion and it has to permit the piston
and piston.... See more

80, Evaporative condensers cooling medium is :
(A) Combination of air and water (B) * Refrigerant vapour
(C) Natural Air (D) Chilled water

81, The effect of cooling produced by a good installed unit will be :
(ಯ) Maximum (B) Minimum
(0 Intermittent (D) Poor

52. In arefrigeration system frosting starts from capillary due to ;
(A) 0il in evaporator coil (8) Compressor has poor pumping
(0) Gas quantity is less (D) Drier filter partially blocked

5.... See more

10.

11.

12,

13.

14.

15.

16.

Which of the following is not a precision measuring instrument?

" (A) Outside micrometer (B) Dial indicator
(C) Vernier height gauge (D) Universal surface gauge
A round rod which does not have a head, and has external threads at both ends is called :
(4) Stud (3) Bolt
(0 Nut (D) Screw

Snips are used for :
(A) Cutting away thick layer एव metal (B) Cutting sheet meta.... See more

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

61.

62.

68.

64.

65.

66.

=

68,

For the ejection of thin- walled box - type mouldings - ejector pins are used ;
(A) Stepped ejector pin 18) D-shaped ejector pin

(C) “-shaped ejector pin (D) Nome of the above

For ejection of circular bosses on a moulding the ideal ejection method is ;

(ಗಿ) Pin ejection (B) Sleeve gjection

(0) DBar ejection (D) Air ejection
The principle of withd.... See more

049/2018 | g

29.

30.

31.

32.

33.

34.

35.

36.

Plastigauge is used to find the clearance of
A) Piston pin B) Bearing
C) Rings D) Valves

The valve guide stem clearance is measured by using a
A) Inside vernier calliper

B) Scriber

C) Dial Gauge

D) Inside micrometer

When pressure in the cooling system exceeds a certain predetermined value, the excess
pressure wi.... See more

ಹಗ
B:-boron
C:-manganese
D:-molybdenum
Correct Answer:- Option-B
Question98:-An organism used 85 biofertili
A:-azolla
B:-volvox
C:-ulothrix
D:-chlamydomonas
Correct Answer:- Option-A
Question99:-Which of the following plant hormones is used as weedicide?
ಹಿಡಿಸಿ
B:-NAA
C:-Kinetin
D:-2,4-D
Correct Answer:- Option-D
Question100:-The valve which guards the right atrio-ventricular aperture ‏ما‎ human heart isSee more

Question86:-The valve(s) closed during compression stroke of an IC engine is/are
A:-Inlet valve
B:-Exhaust valve
C:-Both inlet and exhaust valve
D:-None of the above
Correct Answer:- Option-C
Question87:-The cooling tower in a steam thermal power plant is a device for
A:-Condensing steam into water
B:-Cooling exhaust gas coming out of a boiler
C:-Reducing temperature of superheated steam
D:-Reducing temperature of cooling water used in ते condenser
See more

Question86:-The valve(s) closed during compression stroke of an IC engine is/are
A:-Inlet valve
B:-Exhaust valve
C:-Both inlet and exhaust valve
D:-None of the above
Correct Answer:- Option-C
Question87:-The cooling tower in a steam thermal power plant is a device for
A:-Condensing steam into water
B:-Cooling exhaust gas coming out of a boiler
C:-Reducing temperature of superheated steam
D:-Reducing temperature of cooling water used in ते condenser
See more

Question67:-Which is true about Dilated cardiomyopathy?
A:-results in systolic (contractile} dysfunction
B:-results in diastolic {relaxation) dysfunction
C:-results in stiff, noncompliant myocardium
the least common type
Correct Answer:- Option-A
Question68:-Which is NOT TRUE of MPO-ANCAs7
A:-Are associated with microscopic polyangiitis
B:-Are associated Churg-Strauss syndrome
C:-Do not form circulating immune complexes
D:-Associated with polyarteritis nod.... See more

65,

66,

67,

68,

69,

70,

71.

72.

Which tool is used to mark large circles in sheet metal work ?
(A) Divider (8) Scriber (ಲ) Trammel (D) Surface gauge

Which heat treatment process metal cools slowly in the furnace ?
(5) Normalizing (8) Tempering (ಲ) Hardening (D) Annealing

In actual valve timing the inlet valve close :
(ಹ) AtBDC ൫ Before BDC = (©) After BDC (D) After TDC

Cast iro.... See more

27.

28.

29.

30.

81.

82.

88.

84.

35.

The innermost layer lining the lumen of alimentary canal is :
(A} Serosa {B) Mucosa
€) Muscularis (2) Sub mucosa

The opening between the right atrium and the right ventricle is guarded by a valve is
known as:

{A) Bicuspid valve {B) Pyloric sphinctor
(0 Semilunar valve യ) Tricuspid valve

‘Which part of human brain regulates body temp.... See more

063/21

39.

40.

41.

42.

43.

44.

. The gasket sealing is most difficult problem at

A) Valve cover B) Intake manifold
C) Head D) Exhaust manifold

The fluctuation of engine speed during a cycle depends upon
A) Mass of fly wheel B) Governor speed

C) Mass of crankshaft D) Speed of fly wheel

The major loss in a 0.1. engine is
Rubbing friction loss
Pumping loss

Direct heat loss
See more

49.

50.

51.

52.

53.

54.

55.

56.

066/21

In a petrol engine evaporative emission is controlled by

A) Catalytic convertor
©) SCR

Excessive valve clearance results
A) Valve lead

C) Decrease volumetric efficiency

Which among the following is used to close
A) Union
C) Cap and plug

Engine crankshaft bearings are
A) Ball bearing
C) Foot step bearing
<.... See more

Correct Answer:- Option-C
Question24:-There is either a positive clearance or negative clearance in
AcTransition fit
B:-Clearance fit
Cointerference fit
D-None of the above

Correct Answer: Option:

‘Question25:-In hole basis system and for a clearance fit, the basic size of shaft is 30 mm, minimum clearance is 0.02 mm, tolerance on hole 15 0.033 mm, tolerance on shaft is 0.021
mm, The maximum limit of hole equals,

‎mm‏ 30ھ
‎mm‏ 30..... See more

‘Ac Epsilon wave is 2 very sensitive finding
B:-Monomorphic ventricular tachycardia, LBBB morphology, superior axis
‏کی‎ inversion extending to V3 or beyond
D-Fibrofatty replacement of the myocardium
Correct Answer:- ೦೧000
Question4::Which of the following conditions is most commonly associated with development of complete heart block 7
‘AcAtrialseptal defect
B:-Supravalvar aortic stenosis
ட்ட of falot
D:-Physiologically corrected TGA
C.... See more

‘Ac Epsilon wave is 2 very sensitive finding
B:-Monomorphic ventricular tachycardia, LBBB morphology, superior axis
‏کی‎ inversion extending to V3 or beyond
D-Fibrofatty replacement of the myocardium
Correct Answer:- ೦೧000
Question4::Which of the following conditions is most commonly associated with development of complete heart block 7
‘AcAtrialseptal defect
B:-Supravalvar aortic stenosis
ட்ட of falot
D:-Physiologically corrected TGA
C.... See more