Related with 'NON RETURN VALVE PUMP' | We found Total 3507 Question paper ..!

படட ‏۵۰ء“‎
‎D: HL) =H
Correct Answer:- Option-C

Question29:-What will be the number of buckets on the periphery of Pelton Wheel Runner, If 'D' is the diameter of wheel and
'd' is the diameter of the jet ?
A: 20/20 + 10
(D)(2d)* +12
(0)(20) +14
:- (0)20) +15
Correct Answer:- Option-D
Question30:-What is the maximum efficiency of a jet striking a single plate moving in the direction of jet is
“(4/27)'
(6)/(27)°
(1/2:
.... See more

50,

81.

52.

98.

54.

55.

56.

57.

58,

Give an example for positive displacement pump :

(ಗಿ) Piston pump
(C) Centrifugal pump

(B) Jet pump
(17) Propeller pump

Name the device capable of converting a direct current into a high frequency alternating

மயம்‌:
(A) Transformer
(C) Diode

(B} Converter
(D) Oscillator

Give an example of mater.... See more

54,

55,

56,

57.

58,

59,

60,

61,

Punches that perform cutting and non-cutting operations are called ۶
(A) Floating punches (8) Hybrid punches
(C) Combination punches (D) Integrated punches

Stock materials which are fed individually into the tool for processing are called
(ಹ) Blanks (8) Single stock (C) Component (D) Unit stock

The minimum amount of land in die opening is

(ಹ) 1mm (8).... See more

77.

78.

79.

80.

81.

82.

83.

Both the pressure and velocity of steam drop in the case of :
(^) Impulse turbine
(B)_ Reaction turbine
(C) Velocity compounded impulse turbine

(D) Pressure compounded impulse turbine

The first nuclear power plant in India was installed at :
(A) Tarapur (3) Neyveli
(0) Kudankulam (D) Kota

The economiser in a boiler is used to :
(A) Increase the flue gas te.... See more

42,

45.

Which part of a carburetor shuts of the air supply to aid cold starting?

(^) Throttle (B) Strangler
(0 Float Needle valve (D) Choke valve
The function of oil serapper ring is to :
(ക) Retain compression (B) Lubricate cylinder walls
(0) Maintain vacuum (D) Reduce piston wear

The escape of burned gases from the combustion chamber to the pistons and into the
crankcase is called as :

ക Gas Loss (B) Blow by
(C) Crank cas.... See more

147/2016

1

%

Which valve is provided at intervals in long mains to prevent back pressure on the pump
and in raising lines to prevent backflow of water ?

(A) Gate valve (8) Mud valve

(() Reflux valve (D) Pressure relief valve

What distribution system is suitable for towns growing irregularly ?
(A) Dead End System (8) (प्त Iron System

(C) Radial System (D} Ring Svstem

Spun [ron pipes used in water supply shall co.... See more

44. The material on the positive plate of a fully charged lead acid battery is :
(A) Lead peroxide seen as chocolate brown colour
(8) Spongy lead seen as grev colour
(C) Lead peroxide seen as grey in colour
(D) Spongy lead seen as chocolate brown in colour

45. The necessity of a radiator cap is to ;
(A} Increase the boiling point 01 the coolant
(8) Relieving the system pressure when required
(C) Relieving the system vacuum when required
(5) All of the abo.... See more

51,

52,

53.

54,

55.

56,

57.

58,

59.

are defined as fitting at the end of soil pipes of waste pipes to prevent foul
gases coming out of waste pipes.
(^) Vent (B) Trap
(¢ Leakage (D) Ventilation

is caused by a fault in the trap or plumbing installation and water on the floor

would be apparent.
(A) Leakage ൫ Joint
(@ டீ (D) Tap

The length along the centre of the pip.... See more

54.

55.

56.

57.

58.

59.

60.

61.

62.

In which type pressure gauges are generally used in steam boiler?

(A) U tube type
(C) Diaphram type

(B) Bourdon type
(D) Differential type

In water level indicator how many water level devices are used?

۵1
(൭2

(8) 3
(D) 4

In which boiler mountings are used to protect the fire tube?
(C) Safety valve (D) Ec.... See more

B:-120 to 180 PPM
(C-More than 180 PPM
0-60 to 120 PPM
Correct Answer: Option ®
Question42:-The difference between the cooling tower water inlet and outlet temperature is known as
‘Approach
B:-Blow down
മേട
1
டட ப
Question43:-Thermostatic expansion valves are generally set for a super heat of around
കടെ
B:-0 to 390
ടെ
5:16 6 86
Correct Answer: Option-C
Question44:-In which type of expansion valve has high ef.... See more

B:-120 to 180 PPM
(C-More than 180 PPM
0:60 to 120 PPM
Correct Answer:- Option ®
Question42:-The difference between the cooling tower water inlet and outlet temperature is known as
‏عمو م ممم‎
B:-Blow down
C-Range
De-fficiency
Correct Answer:- Option-C
Question43:-Thermostatic expansion valves are generally set for a super heat of around
കടെ
B:-0 to 39°C
ടെ
5:166 86
Correct Answer:- Option-C
೦0500744: which .... See more

175/2016

Maximum : 100 marks
Time : 1 hour and 15 minutes

1. During the compression stroke of a four stroke diesel engine, the piston compresses :

(A) Air fuel mixture (B) Atomised diesel
(C) Diesel Vapour (D) Air

2. The inventor of two stroke engine is :
^) Dugald Clark (B) Rudolf diesel
(0) James Watt (D) Nicolaug A Otto

8. Theoritically during expansion process in a four stroke engine :
(ಗ) Inlet valve opens and exhaust valve .... See more

59.

63,

68.



111100 078 01 170 following is the cause of high head pressure?
(ಯ) Air is the system (B) 0il is the evaporator
(0) Shortage of refrigerant (D) Moisture is the system

Which one of the following is not a refrigerant control device?
(A) Thermostatic expansion valve (B) Capillary tube
(C) Thermostat switch (D) Low slide float value

In a reciprocating compressor suction and discharge reeds are made of :
(ക).... See more

178/2014

4.

Maximum

Which valve is used to prevent back flow?
(A) Gate valve
(C) Check valve

Anti-Siphon age pipes are provided ॥0
(ಗಿ) Carry cold water

(C) Carry hot water

Lead caulked joints are generally provided :

(^) C.IL pipe
)0 S.W. pipe

: 100 marks

Time : 1 hour and 15 minutes

(B) Globe valve
(D) Float valve

(13) Carry sewage
10) Carry domestic waler

(.... See more



18,

19.

20.

21.

22.

23.

24:

25.

26.

Spindle of Gate valve rotate without closing due to :

(A) Spindle is bend
(0 Gland nut loose

In expansion joint socket end moves :
(ക) Forward when contract

(C) Backward when expand

Centrifugal casting 18 done by :
(ക) Metal mould

(0 Static mould

Bend (F + F) has :
(A) One end external thread
.... See more

C:-Float and needle valve
D:-Pressure regulator
Correct Answer:- Option-C
Question49:-Which components help to control body roll when comering or driving rough road.
A:-Sway bar
B:-Lower control arm
C:-Upper control am
D:-King pin
Correct Answer:- Option-A
Question50:-Any short circuit in the armature winding tested with
A:-Multimeter
B:-Ammeter
C:-Voltmeter
D:-Growler
Correct Answer:- Option-D
Question51:-Out of round brake drums cause.... See more

D:-Horizontal cell
Correct Answer:- Option-D

Question33:-Which of the following is increased when radius of resistance vessels is increased?

A:-Haematocrit
B:-Diastolic blood pressure
C:-Capillary blood flow
D:-Systolic blood pressure
Correct Answer:- Option-C

Question34:-Which of the following is NOT a cause of edema?

A:-Decreased capillary permeability
B:-Decreased plasma protein
C:-Increased venous pressure
D:-Inadequate lymp.... See more

D:-Horizontal cell
Correct Answer:- Option-D
Question33:-Which of the following is increased when radius of resistance vessels is increased?
A:-Haematocrit
B:-Diastolic blood pressure
C:-Capillary blood flow
D:-Systolic blood pressure
Correct Answer:- Option-C
Question34:-Which of the following is NOT a cause of edema?
A:-Decreased capillary permeability
B:-Decreased plasma protein
:-Increased venous pressure
D:-Inadequate lymph flow
Correct An.... See more

072/23

8.

10.

11.

12.

13.

14.

Which tool is used to make internal thread ?
A) Tap and wrench B) Die and die stock
C) Reamer D) Lapping plate

. Which statement is wrong ?

i. 2 stroke engine makes power every 360° of rotation.
ii. 4 stroke engine makes power every 240° of rotation.

iii. Glow plug is related to MPFI engine.

iv. 4 cylinder diesel engine has 12 V electrical system.
See more

125/23

85.

86.

87.

88.

89.

90.

91.

Which of the following statements related to Servo motor is incorrect ?
A) Provides high levels of torque at highspeed

B
0
D

It is inexpensive and widely available

)
)
) Servo motor can work in AC or DC

) It can be operated at 80-90% efficiency

Large number of narrow slots in stator of an AC motor is preferred because

See more

218/23

26.

27.

28.

29.

30.

31.

32.

Which of the following statements are true about valve overlap ?
Statement 1 : Valve overlap helps in scavenging of exhaust gases.

Statement 2 : Valve overlap is the number of degrees of camshaft rotation during
both valves are open.

A) Both Statements are correct B) Both Statements are incorrect

C) Only Statement 1 is correct D) Only Statement 2 is correc.... See more

D-Before entering the expansion valve
Correct Answer:-Question Cancelled
Question75::Which component is used to maintain the brine solution temperature evenly in a Ice candy plant ?
0711
B:-Blower
=
6
Correct Answer:- Option-C
Question76:-In an ice plant where the refrigerant after condensation is stored ?
Accumulator
B:-Liquid receiver
Cx Evaporator
Expansion device
Correct Answer:- Option ®
Question77:-Brine solution is the mixture ofSee more

D:-Horizontal cell
Correct Answer:- Option-D
Question33:-Which of the following is increased when radius of resistance vessels is increased?
A:-Haematocrit
B:-Diastolic blood pressure
C:-Capillary blood flow
D:-Systolic blood pressure
Correct Answer:- Option-C
Question34:-Which of the following is NOT a cause of edema?
A:-Decreased capillary permeability
B:-Decreased plasma protein

:-Increased venous pressure
D:-Inadequate lymph flow
Corre.... See more

C:-Float and needle valve
D:-Pressure regulator
Correct Answer:- Option-C
Question49:-Which components help to control body roll when cornering or driving rough road.
A:-Sway bar
B:-Lower control arm
C:-Upper control arm
D:-King pin
Correct Answer:- Option-A
Question50:-Any short circuit in the armature winding tested with
A:-Multimeter
B:-Ammeter
:-Voltmeter
D:-Growler
Correct Answer:- Option-D
Question51:-Out of round brake drums caus.... See more

A:-Synchronizing unit stuck
B:-Synchronizer worn-out
C:-Bearing worn out or dry
D:-Defective gear shift mechanism
Correct Answer:- Option-C
Question10:-What is the load taken by a taper roller bearing?
A-Radial Load
-Axial and Radial Load
C:-Thrust Load
D:-Non thrust Load
Correct Answer:- Option-B
Question11:-The efficiency of hydraulic braking system is
A:-40-50%
B:-50-60%
C:-60-70%
D:-About 90%
Correct Answer:- Option-D
Questi.... See more



9. Find out the odd ane from the 101111೧0

(೩) Wheel cylinder

18) Bleeder ५

(त) Rubber cup (>) Thermostar

. Which of the following makes it possible 1o inerease the boiling poing o cor वत्ता ^
(५५) Radistor core

(8) Coulant pump
(0 1२७८ )0( ‏۱ھ‎

றா நானாட வற ¢ abave

Which type of clutch js

d in modem seooters 2
(ಸ) Diaphragm

(८) Multiplate.... See more