A:-Approach

B:-Range

C:-Cooling tower efficiency
D:-Set point

Correct Answer:- Option-B

Question41:-During the operation of a cooling tower, the air takes away the fine
droplets of water from cooling tower. Which term is used to denote this?

A:-Blow down loss
B:-Drift loss

C:-Spill loss
D:-Evaporation loss

Correct Answer:- Option-B

Question42:-What is the lowest temperature of water is achieved in cooling tow.... See more

B:-Stanford classification
C-Rastelli classification
D-Crawford classification
Correct Answer:- Option-D
Question25:-Adamkiewicz artery is
AcLargest artery supplying esophagus
B:-First arterial branch arising from aorta
Largest radicular artery supplying spinal cord
D=-Main arterial supply of diaphragm
Correct Answer:- Option-C
Question26:-Closed mitral commissurotomy is most commonly performed through
‘AcClamshell incision
B:-Left Anterolateral .... See more

88.

60.

61.

62.

64.

66.

Priming is the process of :
(ಗಿ) Removing the trapped water (18) Removing the trapped air
(0 Removing the trapped waste matters (D) Removing the damaged parts

To increase the sufficient pressure of distribution system :
(A) Jet pump is required (B) Turbine pump is required
(0 Stage pump is required (D) Buster pump is required

The valve which installed suction end is :See more

218/23

42.

43.

44.

45.

46.

47.

48.

49.

50.

Which one of the following statement is not true in pump circulating system ?
A) The rate of flow of water is directly proportional to the engine speed

B) The waterpump inlet is connected to the radiator outlet

C) The water jackets are in cylinder block and head

D) The fan belt is connected by camshaft, waterpump and alternator
See more

‘AcLateral fitting
B:-45° elbow
C90" elbow
D:-90° connector
Correct Answer:- Option-C
Question62::What does WCS stands for?
‘Ac Wrong CAD Setting
B:-World Coordinate Setting
C:-Westem CAD Setting
D:-Worldwide Coordinate Sectors
Correct Answer:- Option ®
Question63:-Status bar do not contain
AcErase
B:-Snap
ദ
ലി
Correct Answer:- Option-é
Question64:-_is the minimum radius of the cam.
AcFlank
B:-Base circleSee more

77.

78.

79.

80.

81.

82.

88.

84.

‘Where is pressure relief valve for lubricating system on a diesel engine provided:
(6) Inlet port of Oil pump ற. Outlet port of Oil pump
{C) Main 01 gallery {D) Lubrication oil filler inlet

The lubricating oil pressure of engine is adjusted at:
{A) Pressure gauge
(3) Pressure valve
€) By pass valve

(>) Main bearing clearance

The most common.... See more

033. Cavitation will take place if the pressure of a flowing fluid at any point is
(ക) More than the vapour pressure of the liquid
(8) Less than the vapour pressure of the liquid
(C) Equal to the vapour pressure of the liquid

(D) None of the above

034. Air vessel in reciprocating pump is used to
(ಗ) Smoothen flow (8) Reduce acceleration to minimum

(0) Increase pump efficiency (D) Increase pump head

035. Jet pumps are often used in process i.... See more

94.

95.

96.

97.

88.

100. In diesel engine fuel feed pump is mounted on:

Distributor type F.LP is also called as:

{A) In-line pump

(೮0) Low pressure pump

Hand priming device is useful when:
{A) The engine is at full speed
€) The engine is at full load

Secondary filter in a diesel engine is:
வி Amust

08
0)

0)
യ

Rotary pump

Servo pump

T.... See more

091/23

7.

10.

11.

12.

13.

14.

15.

16.

The ability of a material to resist fracture due to shock and impact load.

A) Stiffness B) Toughness C) Brittleness D) Strength
~ Gama iron is stable in the temperature range of
A) 405°C to 610°C B) 610°C to 910°C
C) 910°C to 1403°C 0) 1408°C to1535°C
. Within elastic limit in a loaded material stress is
A) Directly proportional to strain B) .... See more

49.

50.

81.

52.

53.

58,

56,

Cascade control means :
(A) feed forward control ‏٠٠‎ (8) more than one feed-back loop
(C) on-off control (D) one feed-back loop
On-off control, which is a special case of proportional control, has a band width of about
percent.
(५) 100 © 75
(0 ॐ (0) 0

Solenoid valves are operated by :

(ಗಿ) Pneumatic signal (B) Hydraulic signal

)0( 71600/108.... See more

51.

52.

58.

54.

55.

56.

57.

58.

59.

The cooling water does not come in direct contact with cylinder in:
(മ) Wet liner {B) Castiron
(0 Dryliner (D) None of these

Compression rings are generally made of:
{A) Cast iron {B) Low carbon steel
{C) High carbon steel (D) Aluminum

A hole drilled between the crank shaft main journal and erank pin:
{A) Lubricating connecting rod bearing (.... See more

Question49:-The bank of tubes at the back of domestic refrigerator is
‘ACondenser tubes
B:-Evaporator tubes
(111
1
Correct Answer:- ೦೧000
QuestionS0:-In cooling tower water is cooled by the process of
‘Condensation
B:-Fusion
‏ونام وم ہر‎
०-५॥ of the above
Correct Answer: Option-C
QuestionS1:-The latent heat of water is
3:50 K.Callkg
B:-240 K.CaliKg
೦-೩20 KCal/kg
0:60 K.Calikg
Correct Answer:- ೦೧.... See more

Question49:-The bank of tubes at the back of domestic refrigerator is
‘A-Condenser tubes
B:-Evaporator tubes
C-Throttiing tubes
D-Capillary tubes
Correct Answer:- Option-é
QuestionS0:-In cooling tower water is cooled by the process of
‘ACondensation
B:-Fusion
Cz Evaporation
D-All of the above
Correct Answer:- Option-C
QuestionS1:-The latent heat of water is
A540 K.Callkg
B:-240 K.CaliKg
C120 KCal/kg
D-60K.calkg
Correct Answ.... See more

77. 4/2 Directional control valve means :

(ಯ) The valve have 2 ports and 4 position

(B} The valve have 4 ports and 2 position

(C) The valve have 6 ports and 2 position

(D) The valve have 3 ports and 2 position
78. In hydraulics system : double acting cylinder means :

(ക) The fluid acting both side of the cylinder

(B) The fluid acting only one side of the cylinder

(C) The fluid never enter in to the cylinder

(D) Any o.... See more

066/21

57.

58.

59.

60.

61.

62.

63.

64.

What is bleeding ?

A) Replace seals and springs of a hydraulic valve

B) Remove air from a hydraulic line

)
C) The process of top up or change the hydraulic fluid
D) The regular maintenance of a hydraulic machine

The flow rate of oil in a hydraulic machine is expressed in

A) kg/cm?
©) kg/m

8) m?2/minute
D) m3.... See more

A:-Both are cytosolic
B:-Both are exoplasmic
C:-Phosphatidyl choline is localized to cytosolic and phosphatidyl incsitol is localized to exoplasmic
D:-Phosphatidyl inositol is localized to cytosolic and phosphatidyl choline is localized to exoplasmic
Correct Answer:- Option-D
Question73:-Which of the following cyclin is responsible to activate CDK4 and CDK6 to pass the cell cycle from G1 phase?
A:Cyclin A
B:-Cyclin B
C:-Cyclin D
೧:-ರ/ ೯
Correct Answe.... See more

A:-Both are cytosolic
B:-Both are exoplasmic
C:-Phosphatidyl choline is localized to cytosolic and phosphatidyl inositol is localized to exoplasmic
D:-Phosphatidy! inositol is localized to cytosolic and phosphatidyl choline is localized to exoplasmic
Correct Answer:- Option-D
Question73:-Which of the following cyclin is responsible to activate CDK4 and CDK6 to pass the cell cycle from G1 phase?
A:-Cyclin A
-Cyclin B
C:-Cyclin D
D:-Cyclin E
Correct Answer:-.... See more

42.

48.

44.

45.

46.

47.

48.

49.

80.

On cars having rack and pinion steering. The gear rack is attached to:
(| Relay rod {B) Pitman axis
(0 Cross Shaft യ) Tierod

Front wheel alignment is adjusted by altering:
(ಹ Angle of rack arm ற Length of track rod
{C) Distance between King pins യ) Position of drag link

The tilting of the front wheel away from the vertical is called:
{.... See more

Correct Answer:- ‏۸۸ا05‎
‎Questions:-Which of the following valve facilitates close control of fluid flow ?
‘AcGate valve
B:-Globe valve
C-Check valve
D-Butterfly valve
Correct Answer: Option ®
Question®: Boiler feed water pump is usually 8 pump.
‘Ac Reciprocating pump
B:-Gear
C-Multistage centrifugal
D=Diaphragm
Correct Answer: Option-C

Question10:
கார்‌
.... See more

Correct Answer:- Option-é
Questions:-Which of the following valve facilitates close control of fluid flow ?
AcGate valve
B:-Globe valve
CCheck valve
D-Butterfly valve
Correct Answer:- Option ®
Question9: Boiler feed water pump is usually a pump.
‘Ac Reciprocating pump
B:-Gear
C-Multistage centrifugal
D=Diaphragm
Correct Answer:- Option-C

‘Question10:
கார்‌

Cor.... See more

Question19:-The 'Al Amin' started publication from Calicut in October 1924 under the editorship of
A:-S.K.Pottekkat
B:-Vaikom Muhammed Basheer
C:-Vakkom Abdul Khadir Maulavi
D:-Muhammed Abdur Rahiman
Correct Answer:- Option-D
Question20:-Who was the first President of Nair Service Society
A:-Mannath Padmanabhan
B:-K.Kelappan
C:-K.Paramu Pillai
D:-Panangattu Keshava Panikkar
Correct Answer:- Option-B
Question21:-As per Indian Standards, onl
a mi.... See more

B:-At the end of compression stroke
C:-Beginning of suction stroke
D:-Beginning of compression stroke
Correct Answer:- Option-B
Question64:-Which of the following character is the ability of the fuel to evaporate?
A:-Viscosity
B:-Octane number
C:-Volatility
D:-Cetane number
Correct Answer:- Option-C

Question65:-Why is there a vent hole provided either in filler neck or cap in an
engine fuel tank?

A:-To maintain diesel level

B:-To.... See more

94.

95.

96.

97.

98.

99.

100.

021/23

The following is a type of centrifugal pump
A) Turbine pump B) Rotary pump
C) High lift pump D) Centrifugal pump

Air lift pump is installed to draw more water from the deep well the pump is operated by
A) Acute air B) Secondary electrical
C) Compressed air D) Primary electric source

Which of the following containments has the characteristics of causing ser.... See more

34.

35.

36.

87.

88.

39.

41.

The layers of Composite pipes are :
(ಗಿ) Polyethylene, Aluminum and Polyethylene respectively
(B) Polyethylene, Fibber and Polyethylene ഇ;
(ര Fibber, Aluminum and Polyethylene respectively
10) Aluminum, Fibber and Polyethylene respectively

The mostly used CI pumping main joint ೩76 :
(A) Adhesive joint (3) Socket and spigot joint
(0) Secrewed joint (D) Flanged join.... See more

70.

71.

72.

73.

74.

75.

76.

77.

An access for testing and cleaning of drain is :

(A) Inspection Chamber (B) Gully chamber

(C) Drop Manhole (D) Access hole
Defect is : Water flows from the over flow pipe of the Flushing Cistern.
Causes is :

(A) Position of the float valve is not correct

(B) Valve nut is over tight

(C) The float has broken or slip down

(D) Valve nut.... See more

10.

11.

12.

13.

14.

15.

16.

17.

The change in electrical potential with the passage of pulse along the membrane of a muscle

cell or nerve cell :
(A)
(0)

Resting potential
Half cell potential

EKG stands for :
(A)
(0)

Electroencephalopathy

Electrocardiography

The wall of heart is made up of :
(A)
(0)

Epicardium
Endocardium

W.... See more