Question19:-The 'Al Amin' started publication from Calicut in October 1924 under the editorship വ്‌
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:-KKelappan
C:-K.Paramu Pillai
D:-Panangattu Keshava Panikkar
Correct Answer:- Option-B
Question21:-As per Indian Standards, only...... See more

Question19:-The 'Al Amin' started publication from Calicut in October 1924 under the editorship വ്‌
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:-KKelappan
C:-K.Paramu Pillai
D:-Panangattu Keshava Panikkar
Correct Answer:- Option-B
Question21:-As per Indian Standards, only...... See more

021/23

87.

88.

89.

90.

91.

92.

93.

Inspection chamber is constructed in the drainage system for
A) Inspection B) Maintenance

C) Removing blockage D) All of these

Seepage pit it also called
A) Air chamber B) Septic tank
C) Soak pit D) Sump

Man holes on sewer lines are provided for
A) Periodic cleaning B) Oxidation purpose

C) Removal of some sewage D) At bends

For ho.... See more

15.

16.

17.

18.

19.

20.

065/23

The hydraulic efficiency of a turbine is the ratio of

A) Mechanical energy in the output shaft at coupling and hydrodynamic energy
available from the fluid

B) Mechanical energy supplied by the rotor and hydrodynamic energy available
from the fluid

C) Useful hydrodynamic energy in the fluid at final discharge and mechanical
energy supplied to the rotor

D) U.... See more

37.

38.

39.

40.

41.

42.

43.

44.

114/23

In the following list of pumps, which is not a positive displacement pump ?
A) Vane pump B) Gear pump
C) Centrifugal pump D) Lobe pump

A jet of water with velocity 15 m/s hits a moving vertical plate with 5 m/s. What is the
force exerted by the jet, if its cross sectional area is 1 cm? ?

A) 1N 8) 1010 0) 1010५ D) 100 kN

Specific speed of.... See more

FINAL ANSWER KEY

Question Paper Code: 45/2019/01.
Category Code: 163/2018
Exam: Junior Instuctor (Plumber)
Medium of Question: English
Date of Test 03-10-2019
Department Industrial Training Department
Alphacode A
Question1:-The water closet having an integral part of trap S and P type out let have a water seal size of......
A:-25 mm
B:-50 mm
C:-75 mm
D:-100 mm

Correct Answer:- Option-C
Question2:-Which type of tap is used for hot .... See more

28,

24,

25.

26.

27,

28.

29,

30.

31.

The expanded form of CRDI is :
(^) Common Rear engine Diesel Injection
(B) Common Rail Direct Injection
(C) Computerized Direct Injection
(D) Commeoen Range Diesel Injection

Fuel service tank —» fuel feed pump ‏ممت ج‎ വ 0261 injector.
(வி Fuel purifier (B) Fuel filter
(6) Fuel cooler (1)) Fuel injection pump
The fuel quantity 1.... See more

8. Which is not the part of air brake?
(ಯ) Fly wheel (B) Compressor
(0 Unloader valve (D) Reservoir
9. Displacement pumps are also known 85 :
(A) Centrifugal pump (B) Turbine pump
(C) Propeller pump (D) Reciprocating ‏مسيم‎
‎10, Spanners are generally made of :
(A) Cast iron (8) Chrome vanadium steel
(©) Aluminium (D) Mild steel
11. From the following which is not a cause of low discharge in a centrifugal pump :
(A) Speed of pump is.... See more

88.

86.

87.

88.

89.

90.

91.

92.

88.

The thermostat valve is starts to open at about:
(4) 90°C
(© 6

0)
യ

സള 06 വ pump is used in engine cooling system?

{A) Vane pump
€) Centrifugal pump

If the thermostat is stuck closed .The engine will:
வ Warm up slowly
{C) Fail to start

Radiator core should be cleaned by:
(ಹ) Reverse flushingSee more

42.

44.

47.

48.

Hydraulic gradient line represents the sum of :
(ക) pressure head and kinetic head
(B) kinetic head and datum head
(0 pressure head, kinetic head and datum head
(D) pressure head and datum head

The specific speed (NsJof a turbine 18 given by :

வ ர = ०५/५५ ൫ Ng=NQV[HY
(0). ಗ್ಯ - ೫೦೫/7734 @) ०१/१५
The discharge through a single acting reciprocating pump having speed N r.... See more

54. Function of flux is ‏٭‎
‎(A} (0 prevent corrosion
(8) to helps molten solder to flow easily in the required place
)0 promote better joint

(D) all of the above

55, Which tongs are used for holding bars vertically 7
(ക) Round tongs (B) Square mouth tongs

(C) பன tongs (D) Flat tongs

56. Ore of Aluminium is :

(೩) Carbonate (8) வண்ட {C) Lemonite (D)

57. Check valve is also called :
(ക) Gate valve (B.... See more

77.

79,

81.

82.

83.

In a spoke wheel, while handling the braking torque, the spokes ave subjected to :
(ಹಿ) Tension © Compression )© Bendingstress (D) Shearing

In a conventional hvdraulically actuated drum brake, if it is twin Jeading tvpe, minimum
number of wheel cvlinders required are :

(ക) ‏عم‎ (8) Two
(© षण्णा (ए) Wheel cvlinder not required

In an air brake system, the valve that th.... See more

63.

64.

65.

66.

67.

68.

69.

70.

What is the post-heating temperature for welding medium carbon steel plate ?
A) 90°C to 100°C B) 300°C to 600°C
C) 100°C to 300°C D) 600°C to 900°C

The percentage of carbon in acetylene gas is
A) 80.3% B) 85.2% C) 89.5% D) 92.3%

Which type of valve is used in flashback arrestor ?
A) Needle valve B) Globe valve
C) Non return valve D) Pressure contro.... See more

بيب ]

68.

69.

70.

71.

72.

73.

74.

HRC fuse is superior protective device as compared to circuit breaker and relay as far
(^) Electromagnetic stresses are concerned
(B) Thermal stresses are concerned
(0) Both electromagnetic and thermal stresses are concerned

(D) None of the above

Which of the following material has a negative temperature co-efficient of resistance?
(A) Carbon (.... See more

Question70:-In Petroil system, the percentage of lubricating oil mixed with petrol is
i. 2%
ii. 3%
iii, 5%
A:-Only i and iii
-Only ii and iii
C:-Only i and ii
D:-All of the above (i, ii and iii)
Correct Answer:- Option-C
Question71:-Which types of oil pumps are commonly used in automobile ?
i, Gear pump
ii. Rotor pump
iii, Plunger pump
A:-Only i and iii
B:-Only i and ii
C:-Only ii and iii
D:-All of the above (i, ii, and iii)
Cor.... See more

78.

74.

5.

76.

77.

78.

79.

80.

81.

Net working capital means :
(ಹ) Excess of current liabilities over current assets
ற Total of current assets
(@ Excess of current assets over current liabilities

(D) Excess of total assets over total liabilities

Capitalization of undistributed profit is called :
(മ Rights shares (B) Sweat equity shares
{C) Preferential shares (2) Bonus sha.... See more

15.

16.

17.

18.

19.

20.

21.

Under the Markowitz approach, the important variable(s) used to determine efficient set of
portfolios for investors are:

(A) Coefficient of correlation (B) Return
(C) Standard deviation ൯) Allof the above

The Corner portfolio provides an analysis of:

(^) Risk (B) Return

(C) Liquidity (D) Risk and Return
In which of the following model(s), the return of a se.... See more

092/23

21.

22.

23.

24.

25.

26.

27.

28.

29.

The treatment of funds from the viewpoint of Financial Management is based on
A) Accrual system B) Cash flows
C) Both cash and mercantile system D) None of these

State whether the following statements are true or false.

1. The likelihood that the managers may place personal goals ahead of corporate
goals is known as Agency Problem.
See more

Question32:-Which statements about Harry Markowitz's portfolio optimization
model are correct?

(i) Form the portfolios that have the same return, the investor will prefer the
portfolio with lower risk

(11) From the portfolios that have the same return, an investor will prefer the
portfolio with higher risk

(iii) From the portfolios that have the same risk level, an investor will prefer the
portfolio with a higher rate of return

A:-Only (i) and .... See more

41.

42,

43,

44.

45,

46.

47.

48,

In a 4 stroke diesel engine the number of teeth of the camshaft sprocket is the
number of teeth of sprocket on crankshaft.

(ಹ) same (B) double
(0 कर्णा (D) none of these

The maximum wear of the bore occurred at
(ಹ) top non-thrust side (B) top thrust side
(C) bottom non-thrust side (D) bottom thrust side

At the end of combustion the tempe.... See more

ತ

84.

35.

86.

37.

٦

39.

40.

41,

How many number of working stroke per minute will take place for a 1
cylinder 4 stroke engine?

ಯ) 0 (B) 3200
(C) 400 (D) 800
Cooling system used for two stroke petrol engine :
(A) Water cooled (B) Air cooled
(C) 018 cooled (D) Regenerative cooled

The function of carburettor in petrol engine :

(है)
രു
(0)
D)
See more

யு ய்‌
D:-"H (Ly=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 7

10 + 0/00 “-ھ
2+ '(0(/)20
4+ (0(/)20) :6
5+ (0(/)20) -:0
‎Correct Answer:- Option-D‏
‎Question30:-What is the maximum efficiency of a jet striking a single plate moving in the direction of jet is‏
!)7( -&
')69/27(-:8See more

யு ய்‌
D:-"H (Ly=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 7

10 + 0/00 “-ھ
2+ '(0(/)20
4+ (0(/)20) :6
5+ (0(/)20) -:0
‎Correct Answer:- Option-D‏
‎Question30:-What is the maximum efficiency of a jet striking a single plate moving in the direction of jet is‏
!)7( -&
')69/27(-:8See more

Question19:-A device installed in a drainage system to prevent reverse flow is .....
A:-back water valve
B:-back flow preventer
C:-back siphonage
D:-back vent pipe
Correct Answer:- Option-A
Question20:-In metric micro meters what is the pitch of the spindle thread

D:-0.01 mm

Correct Answer:- Option-B
Question21:-What is the term generally employed for a piece of pipe which is threaded on both ends and less than 12 inches
long?

D:-plugsSee more

Question19:-A device installed in a drainage system to prevent reverse flow is .....
A:-back water valve
B:-back flow preventer
C:-back siphonage
D:-back vent pipe
Correct Answer:- Option-A
Question20:-In metric micro meters what is the pitch of the spindle thread
A:-0.1 mm
.5 mm
C:-0.2 mm
D:-0.01 mm
Correct Answer:- Option-B
Question21:-What is the term generally employed for a piece of pipe which is threaded on both ends and less than 12 inchesSee more

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